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Small-sized Class-D Speaker Amplifiers
Analog Input Monaural Class-D Speaker Amplifier
BD5460GUL
No.10101EAT01
Description BD5460GUL is a low voltage drive class-D monaural speaker amplifier that was developed for cellular phones, mobile audio products and the others.LC-filter of speaker output is unnecessary, and the number of external components is three. It is suitable for the application of battery drive because of high efficiency and low power consumption. Also, stand-by current is 0A (typ.), and fast transitions from standby to active with little pop noise. It is suitable for applications that switch repeatedly between stand-by and active. Features 1) No LC filter required 2) Only three external components 3) High power 2.5W/4/BTL (VDD=5V, RL=4, THD+N=10%, typ.) 4) High power 0.85W/8/BTL (VDD=3.6V, RL=8, THD+N=10%, typ.) 5) Gain 6dB 6) Analog differential input / PWM digital output 7) Pop noise suppression circuitry 8) Built-in standby function 9) Protection circuitry (Short protection [Auto recover without power cycling], Thermal shutdown, Under voltage lockout) 10) Very small package 9-Bump WL-CSP (1.6*1.6*0.55mmMAX) Applications Mobile phones, Mobile electronics applications Absolute Maximum Ratings(Ta=25) Item Power Supply Voltage Power Dissipation Storage Temperature Range STBY Terminal Input Range IN+, IN- Terminal Input Range Symbol VDD Pd Tstg Vstby Vin Ratings 7.0 690 *1 -55 +150 -0.1VDD+0.1 -0.1VDD+0.1 Unit V mW V V
*1 When mounted on a 50 mmx58mm Rohm standard board, reduce by 5.52 mW/C above Ta = +25 C.
Operating Conditions Item Power Supply Voltage Temperature Range
Symbol VDD Topr
Ratings +2.5 +5.5 -40 +85
Unit V
This product is not designed for protection against radioactive rays
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1/16
2010.06 - Rev.A
BD5460GUL
Technical Note
Electric Characteristics (Unless otherwise specified, Ta=25, VDD=3.6V, f=1kHz, RL=8, AC item=LC Filter ; L=22H, C=1F ) Limits Parameter Symbol Unit Conditions MIN. TYP. MAX. Circuit current (No signal) Circuit current (Standby) Output power 1 Output power 2 Voltage gain Power Supply Rejection Ratio Output offset voltage Switching Frequency Start-up time Standby input Voltage Standby input current High-level Low-level High-level Low-level ICC ISTBY PO1 PO2 GV PSRR Vo fosc Ton VSTBYH VSTBYL ISTBYH ISTBYL 450 550 5.4 45 -25 175 0.39 1.4 0 6 -5 2.0 0.1 680 850 5.9 53 0 250 0.51 12 0 4.0 2 6.4 +25 325 0.73 VDD 0.4 18 5 mA A mW mW dB dB mV kHz msec V V A A Active mode Standby mode VSTBY=3.6V VSTBY=0V Active mode, No load Standby mode BTL, f=1kHz, THD+N=1% *1 BTL, f=1kHz, THD+N=10% *1 BTL BTL,f=1kHz, Vripple=0.1Vpp *2 Vin=0V, BTL
*BTL=Bridged Tied Load (Voltage between A3-C3.), *1;B.W.=40030kHz,*2;DIN AUDIO
Measurement Circuit Diagram
A
Vripple
10
VDD
VDD B1
B2 PVDD
VSTBY
A
0.1 Vin
STBY C2
OUTBias OSC A3
22 H
1
V
8
VSE
IN+ A1 PWM HBridge
V
VBTL
Vin
0.1
INC1
OUT+ C3
22 H
1
V
VSE
GND A2
B3 PGND
Active / Standby Control STBY Pin(C2pin) Mode Active Standby
Pin level H L
Conditions IC active IC shutdown
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2/16
2010.06 - Rev.A
BD5460GUL
Package Outlines TOP VIEW
Technical Note
BOTTOM VIEW
5460
LOT No.
(unit : mm) WL-CSP VCSP50L1
Block Diagram
Pin Assignment Chart
VDD B1
B2 PVDD
PIN No. PIN IN+ GND OUTVDD PVDD PGND A1
STBY C2 Bias OSC
A2 A3 B1
IN+ A1 PWM INC1 HBridge
OUTA3
B2 B3 C1 C2 C3
INSTBY OUT+
OUT+ C3
GND A2
B3 PGND
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3/16
2010.06 - Rev.A
BD5460GUL
Application Circuit Example
10
Technical Note
VDD B1
HActive LShutdown
B2 PVDD
STBY C2
Bias
OSC
Audio Input+
IN+ A1 PWM INC1 HBridge
OUTA3
Differential Input
Audio Input-
OUT+ C3
GND A2
B3 PGND
Fig.1
Differential input for mobile phone
10
VDD B1
HActive LShutdown
B2 PVDD
STBY C2
Bias
OSC
Audio Input+
0.1
IN+ A1 PWM HBridge
OUTA3
Differential Input
Audio Input-
0.1
INC1
OUT+ C3
GND A2
B3 PGND
Fig.2
Differential input with coupling input capacitors
10
VDD B1
HActive LShutdown
B2 PVDD
STBY C2
Bias
OSC
Audio Input
0.1
IN+ A1 PWM HBridge
OUTA3
0.1
INC1
OUT+ C3
GND A2
B3 PGND
Fig.3 Single-Ended input
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4/16
2010.06 - Rev.A
BD5460GUL
Evaluation board Circuit Diagram
VDD C3 10
Technical Note
U1 S1
HActive LShutdown
VDD B1
B2 PVDD
STBY C2
300k
Bias
OSC
Audio Input+
0.1 C2
IN+ Rin=100k A1 PWM HBridge
OUTA3
Differential Input
Audio Input-
0.1 C1
INC1
Rin=100k
OUT+ C3
GND A2
B3 PGND
Please connect to GND line. Please connect to Power Supply (VDD=+2.55.5V) line.
Please connect to Input Signal line. Please connect to Speaker.
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5/16
2010.06 - Rev.A
BD5460GUL
Evaluation board Parts List
Technical Note
Qty. 2 1 1 1 1
Item C1, C2 C3 S1 U1 PCB1
Description Capacitor, 0.1F Capacitor, 10F Slide Switch IC, BD5460GUL, Mono Class-D audio amplifier Printed-circuit board, BD5460GUL EVM 0603 A (3216)
SMD Size
Manufacturer/ Part Number Murata GRM188R71C104KA01D ROHM TCFGA1A106M8R NKK SS-12SDP2 ROHM BD5460GUL
4mm X 10.2mm 1.6mm X 1.6mm WLCSP Package
Description of External components Input coupling capacitor (C1,C2) It makes a Input coupling capacitor 0.1F. Input impedance is 100k (Typ.). It sets cut-off frequency fc by the following formula by input coupling capacitor C1 (=C2) and input impedance Ri.
fc
1 [Hz] 2 Ri C1
In case of Ri =100k, C1 (=C2) =0.1F, it becomes fc = about 16 Hz.
Power decoupling capacitor (C3) It makes a power decoupling capacitor 10 F. When making capacitance of the power decoupling capacitor, there is an influence in the Audio characteristic. When making small, careful for the Audio characteristic at the actual application.
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6/16
2010.06 - Rev.A
BD5460GUL
Evaluation board PCB layer
Technical Note
TOP Layer silk pattern
TOP Layer
Bottom Layer
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7/16
2010.06 - Rev.A
BD5460GUL
The way of evaluating audio characteristic
Technical Note
Evaluation Circuit Diagram
VDD
C3 0.1 C4 10
VDD
HActive LShutdown
VDD B1 STBY C2
300k
B2 PVDD
Bias
OSC OUTA3 PWM HBridge
Measument Instrumen
Audio Input+
0.1 C2
IN+ Ri=100k A1
22H 1F R L BTL
Audio Precision etc +
Differential Input
Audio Input-
0.1 C1
INC1
Ri=100k
OUT+ C3
22H
1F
GND A2
B3 PGND
RL=Speaker Load
When measuring audio characteristics, insert LC filter during the output terminal of IC and the speaker load and measure it. Arrange LC filter as close as possible to the output terminal of IC. In case of L=22H, C=1F, the cut-off frequency becomes the following.
fc 1 2 LC 1 2 22 H 1F 34 kHz
Use a big current type - Inductor L. (Reference) TDK: SLF12575T-220M4R0
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8/16
2010.06 - Rev.A
BD5460GUL
Technical Note
About the thermal design by the IC Characteristics of an IC have a great deal to do with the temperature at which it is used, and exceeding absolute maximum ratings may degrade and destroy elements. Careful consideration must be given to the heat of the IC from the two standpoints of immediate damage and long-term reliability of operation. Pay attention to points such as the following. Since an maximum junction temperature (Tjmax.) or operating temperature range (Topr) is shown in the absolute maximum ratings of the IC, to reference the value, find it using the Pd-Ta characteristic (temperature derating curve). If an input signal is too great when there is insufficient radiation, TSD (thermal shutdown) may operate. TSD, which operates at a chip temperature of approximately +180, is canceled when this goes below approximately +100.Since TSD operates persistently with the purpose of preventing chip damage, be aware that long-term use in the vicinity that TSD affects decrease IC reliability.
Temperature Derating Curve Reference data 1.5
measurement conditions IC unit and Rohm standard board mount board size 50mmx58mm
VCSP50L1
Power Dissipation Pd (W)
1.0
0.69W
ja = 181.8/W
0.5
0.0 0 25 50 75
85
100
125
150
Ambient Temperature Ta()
Note) Values are actual measurements and are not guaranteed.
Power dissipation values vary according to the board on which the IC is mounted. The Power dissipation of this IC when mounted on a multilayer board designed to radiate is greater than the values in the graph above.
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9/16
2010.06 - Rev.A
BD5460GUL
Typical Characteristics
Technical Note
Table of graphs Items Efficiency Parameter vs Output power vs Output power Supply current (Icc) vs Supply voltage Shutdown current (Istby) vs Supply voltage vs Load resistance Output power (Po) vs Supply voltage vs Output power Total harmonic distortion plus noise (THD+N) vs Frequency vs Common-mode input voltage Supply voltage rejection ratio (PSRR) vs Frequency vs Frequency vs Frequency 12 13, 14 15, 16, 17, 18, 25, 26, 27 19 20, 21, 22, 23 24 28, 29, 30, 31 8 9 10, 11 Figure 4, 6 5, 7
Common-mode rejection ratio (CMRR) Gain
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10/16
2010.06 - Rev.A
BD5460GUL
Reference data
Efficiency - Output power f=1kHz RL=8+33uH LC-filter(22uH+1uF) 100 90 80 70 Efficiency [%] 60 50 40 30 20 10 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Po [W] 1 1.1 1.2 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Po [W] VDD=2.5V VDD=3.6V VDD=5.0V 200 Icc [mA] 150 100 50 300 250
Technical Note
Icc vs Output power f=1kHz RL=8+33uH LC-filter(22uH+1uF)
VDD=2.5V VDD=3.6V VDD=5.0V
0.9
1
1.1 1.2
Fig.4
Efficiency vs Output power f=1kHz RL=4+33uH LC-filter(22uH+1uF) 90 80 70 Efficiency [%] 50 40 30 20 10 0 0 0.2 0.4 0.6 0.8 1 Po [W] 1.2 1.4 1.6 1.8 2 100 0 0 Icc [mA] 60 VDD=2.5V VDD=3.6V VDD=5.0V 500 400 300 200 600
Fig.5
Icc vs Output power f=1kHz RL=4+33uH LC-filter(22uH+1uF)
VDD=2.5V VDD=3.6V VDD=5.0V
0.2
0.4
0.6
0.8
1 1.2 Po [W]
1.4
1.6
1.8
2
Fig.6
Icc - VDD No load, No signal
Fig.7
Istby - VDD
3 2.5 Icc [mA] 2 1.5 1 0.5 0 0 1 2 3 VDD [V] 4 5 6 Istby [uA]
0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 VDD [V] 4 5 6
Fig.8
Output power vs RL THD+N=10% f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz 2.8 2.4 2.0 Po [W] 1.6 1.2 0.8 0.4 0.0 4 8 12 16 20 24 28 32 RL [] VDD=2.5V VDD=3.6V VDD=5.0V
Fig.9
Output power vs RL THD+N=1% f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz
1.8 1.6 1.4 1.2 Po [W] 1.0 0.8 0.6 0.4 0.2 0.0 4 8 12 16 20 24 28 32 RL []
VDD=2.5V VDD=3.6V VDD=5.0V
Fig.10
Fig.11
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11/16
2010.06 - Rev.A
BD5460GUL
Output power vs VDD f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz 3.0 2.5 2.0 Po [W] 1.5 1.0 0.5 0.0 2.5 3 3.5 VDD [V] 4 4.5 5 0.1 0.01 RL=8THD+N=1% RL=8THD+N=10% THD+N [%] RL=4THD+N=1% RL=4THD+N=10% VDD=2.5V VDD=3.6V VDD=5.0V 1
Technical Note
THD+N vs Output power RL=4 f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz 10
0.1
Po [W]
1
10
Fig.12
THD+N vs Output power RL=8 f=1kHz LC-filter(22uH+1uF) 400Hz-30kHz 10 10
Fig.13
THD+N vs Frequency VDD=5.0V RL=8 LC-filter(22uH+1uF) 30kHz-LPF
THD+N [%]
1
0.1 0.01
THD+N [%]
VDD=2.5V VDD=3.6V VDD=5.0V
Po=50mW Po=250mW Po=1W
1
0.1 0.1 Po [W] 1 10 10 100 1000 freq [Hz] 10000 100000
Fig.14
THD+N vs Frequency VDD=3.6V RL=8 LC-filter(22uH+1uF) 30kHz-LPF 10 Po=25mW Po=125mW Po=500mW 10
Fig.15
THD+N vs Frequency VDD=2.5V RL=8 LC-filter(22uH+1uF) 30kHz-LPF
1 THD+N [%]
1 THD+N [%]
Po=15mW Po=75mW Po=200mW
0.1
0.1
0.01 10 100 1000 freq [Hz] 10000 100000
0.01 10 100 1000 freq [Hz] 10000 100000
Fig.16
THD+N vs Frequency RL=4 Po=250mW LC-filter(22uH+1uF) 30kHz-LPF 10 VDD=2.5V VDD=3.6V VDD=5.0V THD+N [%] THD+N [%] 1 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0.1 10 100 1000 freq [Hz] 10000 100000 0 0 VDD=2.5V VDD-3.6V VDD=5.0V
Fig.17
THD+N_vs_Common Mode Input Voltage f=1kHz RL=8 Po=200mW LC-filter(22uH+1uF) 400Hz-30kHz
Fig.18
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1 2 3 4 5 Vic - Common Mode Input Voltage [V]
6
Fig.19
12/16
2010.06 - Rev.A
BD5460GUL
PSRR RL=4 Vripple=0.1Vpp Inputs ac-Grounded LC-filter(22uH+1uF) 30kHz-LPF 0 -10 -20 PSRR [dB] -30 -40 -50 -60 10 100 1000 f [Hz] 10000 100000 VDD=2.5V VDD=5.0V PSRR [dB] VDD=3.6V 0 -10 -20 -30 -40 -50 -60 10 100 1000 f [Hz] VDD=2.5V VDD=3.6V VDD=5.0V
Technical Note
PSRR RL=8 Vripple=0.1Vpp Inputs ac-Grounded LC-filter(22uH+1uF) 30kHz-LPF
10000
100000
Fig.20
0 -10 -20 PSRR [dB] -30 -40 -50 -60 -70 10 100 1000 f [Hz] 10000 100000 PSRR RL=4 Vripple=0.1Vpp Inputs Floating LC-filter(22uH+1uF) 30kHz-LPF VDD=2.5V VDD=3.6V VDD=5.0V PSRR [dB] -20 -30 -40 -50 -60 -70 10 100 0 -10 VDD=2.5V VDD=3.6V VDD=5.0V
Fig.21
PSRR RL=8 Vripple=0.1Vpp Inputs Floating LC-filter(22uH+1uF) 30kHz-LPF
1000 f [Hz]
10000
100000
Fig.22
CMRR RL=8 Vin=1Vpp LC-filter(22uH+1uF) 30kHz-LPF -30 -35 THD+N [%] -40 CMRR [dB] -45 -50 -55 -60 10 100 1000 freq [Hz] 10000 100000 0.1 10 100 VDD=2.5V VDD=3.6V VDD=5.0V 10
Fig.23
THD+N vs Frequency VDD=5.0V RL=4 LC-filter(22uH+1uF) 30kHz-LPF Po=50mW Po=250mW Po=1W 1
1000 freq [Hz]
10000
100000
Fig.24
THD+N vs Frequency VDD=3.6V RL=4 LC-filter(22uH+1uF) 30kHz-LPF 10 Po=25mW Po=125mW Po=500mW THD+N [%] 10 Po=15mW Po=75mW 1
Fig.25
THD+N vs Frequency VDD=2.5V RL=4 LC-filter(22uH+1uF) 30kHz-LPF
1 THD+N [%]
Po=200mW
0.1
0.1
0.01 10 100 1000 freq [Hz] 10000 100000
0.01 10 100 1000 freq [Hz] 10000 100000
Fig.26
Fig.27
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13/16
2010.06 - Rev.A
BD5460GUL
Gain_vs_Frequency RL=4 Vin=0.5Vpp LC-filter(22uH+1uF) 30kHz-LPF 10 5 gain [dB] 0 -5 -10 -15 -20 VDD=2.5V VDD=3.6V VDD=5.0V
Technical Note
Gain vs Frequency RL=8 Vin=0.5Vpp LC-filter(22uH+1uF) 30kHz-LPF
10 5 gain [dB] 0 -5
VDD=2.5V VDD=3.6V VDD=5.0V
-10 -15 -20 10
100
1000 freq [Hz]
Fig.28
10000
100000
10
100
1000 freq [Hz]
10000
100000
Fig.29
Gain_vs_Frequency RL=4 Vin=0.5Vpp LC-filter(22uH+1uF) 30kHz-LPF BD5460GUL BD5461GUL
15 10 5 gain [dB] 0 -5 -10 -15 10
Gain_vs_Frequency RL=4 Vin=0.5Vpp LC-filter(22uH+1uF) 30kHz-LPF BD5460GUL BD5461GUL
15 10 5 gain [dB] 0 -5 -10 -15
VDD=2.5V VDD=3.6V VDD=5.0V
VDD=2.5V VDD=3.6V VDD=5.0V
100
1k freq [Hz]
10k
100k
10
100
1k freq [Hz]
10k
100k
Fig.30
Fig.31
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14/16
2010.06 - Rev.A
BD5460GUL
Technical Note
Notes for use (1) Numbers and data in entries are representative design values and are not guaranteed values of the items.
(2) Although we are confident recommending the sample application circuit, carefully check their characteristics further when using them. When modifying externally attached component constants before use, determine them so that They have sufficient margins by taking into account variations in externally attached components and the Rohm IC, not only for static characteristics but also including transient characteristics. (3) Absolute maximum ratings This IC may be damaged if the absolute maximum ratings for the applied voltage, temperature range, or other parameters are exceeded. Therefore, avoid using a voltage or temperature that exceeds the absolute maximum ratings. If it is possible that absolute maximum ratings will be exceeded, use fuses or other physical safety measures and determine ways to avoid exceeding the IC's absolute maximum ratings. (4) GND terminal's potential Try to set the minimum voltage for GND terminal's potential, regardless of the operation mode. (5) Shorting between pins and mounting errors When mounting the IC chip on a board, be very careful to set the chip's orientation and position precisely. When the power is turned on, the IC may be damaged if it is not mounted correctly. The IC may also be damaged if a short occurs (due to a foreign object, etc.) between two pins, between a pin and the power supply, or between a pin and the GND. (6) Operation in strong magnetic fields Note with caution that operation faults may occur when this IC operates in a strong magnetic field. (7) Thermal design Ensure sufficient margins to the thermal design by taking in to account the allowable power dissipation during actual use modes, because this IC is power amp. When excessive signal inputs which the heat dissipation is insufficient condition, it is possible that thermal shutdown circuit is active. (8) Thermal shutdown circuit This product is provided with a built-in thermal shutdown circuit. When the thermal shutdown circuit operates, the output transistors are placed under open status. The thermal shutdown circuit is primarily intended to shut down the IC avoiding thermal runaway under abnormal conditions with a chip temperature exceeding Tjmax = +150, and is not intended to protect and secure an electrical appliance. (9) Load of the output terminal This IC corresponds to dynamic speaker load, and doesn't correspond to the load except for dynamic speakers. (10) The short protection of the output terminal The short-circuiting protection of this IC corresponds only to "VDD-short" (the short-circuiting with the power) of the output terminal and "GND-short" (the short-circuiting with GND) of the output terminal. It doesn't correspond to the short-circuiting among the output terminals. Also, when the short-circuiting condition of the output terminal is canceled, it detects the high impedance of the output terminal and it is equipped with the auto recover without power cycling(the cancellation) function in the short-circuiting protection. Be careful of the output terminal, because, there is a fear not to return automatically when the short-circuiting condition occurs in pull-up or the pull-down at equal to or less than about 1M impedance, (11) Operating ranges The rated operating power supply voltage range (VDD=+2.5V+5.5V) and the rated operating temperature range (Ta=-40+85) are the range by which basic circuit functions is operated. Characteristics and rated output power are not guaranteed in all power supply voltage ranges or temperature ranges. (12) Electrical characteristics Electrical characteristics show the typical performance of device and depend on board layout, parts, power supply. The standard value is in mounting device and parts on surface of ROHM's board directly. (13) Power decoupling capacitor Because the big peak current flows through the power line, the class-D amplifier has an influence on the Audio characteristic by the capacitance value or the arrangement part of the power decoupling capacitor. Arrange a power decoupling capacitor as close as possible to the VDD terminal of IC.
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15/16
2010.06 - Rev.A
BD5460GUL
Ordering part number
Technical Note
B
D
5
Part No. 5460
4
6
0
G
U
L
-
E
2
Part No.
Package GULVCSP50L1
Packaging and forming specification E2: Embossed tape and reel
VCSP50L1(BD5460GUL)
1PIN MARK

Tape
1.60.1
Embossed carrier tape 3000pcs E2
The direction is the 1pin of product is at the upper left when you hold
Quantity
0.55MAX 0.10.05
1.60.1
Direction of feed
S
( reel on the left hand and you pull out the tape on the right hand
)
9-0.250.05 0.05 A B (0.15)INDEX POST
C B A 1 2
A B
3
P=0.5x2
0.30.1
0.08 S
0.30.1
P=0.5x2
1pin (Unit : mm) Reel
Direction of feed
Order quantity needs to be multiple of the minimum quantity.
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16/16
2010.06 - Rev.A
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuelcontroller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law.
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