View MM1669XH_947867.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

MITSUMI
4ch Motor Driver for CD Player IC MM1669XH
4ch Motor Driver for CD Player IC
Monolithic IC MM1669XH
Outline
This audio CD IC incorporates a 3.3V regulator and 4ch BTL driver (spindle motor/sled motor/2ch actuator) on one chip, and supports DSP low voltage.
Features
1. 4ch motor driver for CD player 2. Built-in 3.3V regulator (external PNP-Tr required) 3. Driver gain can be regulated using external resistor 4 Built-in thermal shutdown function
Package
HSOP-28D
Applications
1. CD player 2. Video CD
Pin Assignment
28 27 26 25 24 23 22
21 20 19 18 17 16 15
1234567
w
w
HSOP-28D (TOP VIEW)
w
8 9 10 11 12 13 14
t a .D
S a
e h
1 2 3 4 5 6 7 8 9 10 11 12 13 14
U t4 e
ch1-OUTch1-OUT+ ch1-IN NC Tr-B REG-OUT NC GND NC ch2-IN ch2-OUT+ ch2-OUTSubGND NC
.c
15 16 17 18 19 20 21 22 23 24 25 26 27 28
m o
NC NC ch3-OUTch3-OUT+ ch3-IN NC VCC VCC Bias NC ch4-IN ch4-OUT+ ch4-OUTSubGND
www..com
MITSUMI
4ch Motor Driver for CD Player IC MM1669XH
Block Diagram
SubGND 1 LEVEL SHIFT 2 LEVEL SHIFT 3 12.7k 4 1.0k 12.7k 5 3.3k 6 VCC 7 10k 2.5V 22 23 1.0k 24 25 26 27 T. S. D. 28
VCC 8 GND 1.0k 10 12.7k 12.7k 1.0k 19 21
9
20
11 LEVEL SHIFT 12 LEVEL SHIFT
18
17
13 SubGND
16
14
15
T. S. D. : Thermal shut-down
MITSUMI
4ch Motor Driver for CD Player IC MM1669XH
Pin Description
Pin no. Pin name 1 12 17 27 ch1-OUTch2-OUTch3-OUTch4-OUTFunctions ch1 negative output ch2 negative output ch3 negative output ch4 negative output
10k VCC
Internal Equivalent Circuit Diagram
2 11 18 26
ch1-OUT+ ch2-OUT+ ch3-OUT+ ch4-OUT+
ch1 positive output ch2 positive output ch3 positive output ch4 positive output
600
1 12 17 27 GND
2 11 18 26
3 10 19 25
ch1-IN ch2-IN ch3-IN ch4-IN
ch1 input ch2 input ch3 input ch4 input
VCC 3 10 19 25 1.0k
10k 2.5V GND
10k 10A
5
Tr-B
Connect to external transistor base
VCC
17k
46k 5
5k GND
MITSUMI
4ch Motor Driver for CD Player IC MM1669XH
Pin no. Pin name 6
Functions Connects to external transistor collector
Internal Equivalent Circuit Diagram
VCC 10A 2.2k 2.2k 3.3k 6 2.5V 10k
REG-OUT Constant voltage output.
GND
8 13 28 21 22 23
GND SubGND VCC Bias
GND Substrate GND VCC Bias amplifier input
VCC
23
50A GND
4 7 9 14 15 16 20 24
NC
No connect
MITSUMI
4ch Motor Driver for CD Player IC MM1669XH
Absolute Maximum Ratings (Ta=25C)
Item Symbol Ratings Supply voltage VCC 13.5 Output current 1 IOUT1 800 1 Output current 2 IOUT2 600 2 Allowable loss Pd 1.7 Operating temperature TOPR -40~+85 Storage temperature TSTG -55~+150 Note: 1, Output current 1 is to channel 1 or 4 for motor. 2, Output current 2 is to channel 2 or 3 for actuator. Units V mA mA W C C
* *
* *
Recommended Operating Conditions
Item Operating supply voltage Symbol VCC Ratings 6.0~9.0 Units V
Electrical Characteristics
Item Driver Quiescent current Output offset voltage Output voltage High Output voltage Low Ripple rejection Voltage gain Slew rate Power supply-mute-ON voltage Power supply-mute-OFF voltage Power supply-mute hysteresis voltage Current consumption for power voltage mute Bias-mute-on voltage Current consumption for bias mute Regulator Output voltage Output load variation Power supply voltage variation
(Except where noted otherwise, Ta=25C, VCC=8V, Bias=2.5V, RL=8, f=1kHz) Measurement conditions No load RIN=3.3k Min. Typ. Max. Units 4.5 -40 5.2 6 0 5.5 1.3 60 28.0 4.0 4.5 4.7 200 3.0 1.2 3.0 mA mV V 1.6 V dB 30.0 dB V/s V V mV mA V mA 7.5 40
Symbol ICC VOFF VOH VOL RR GV SR VCCMON VCCMOFF VHYS ICCM VBMON IBM
*
VIN=0.1Vrms, f=100Hz VIN=0.1Vrms VO=3VP-P square wave, f=100kHz
26.0
VREG VRL VVCC
IL=100mA IL=0~200mA VCC=6~9V, IL=100mA
3.15 -50 -10
3.3 0 0
3.45 10 25
V mV mV
Note:
In consideration * added to input. of DSP output impedance, output offset voltage is measured with a 3.3k resistor
MITSUMI
4ch Motor Driver for CD Player IC MM1669XH
Measuring Circuit
VIN4 3.3k 3 2 1 AC-IN4 10F 2 SW1 1 VIN3 3.3k 3 AC-IN2 10F 2 1 SW8 8 8V 100F 0.1F SW4
8 SW5
SW9 2.5V
A
A V
VO4 28 27 26 25 24 23 22
V
VO3
21
20
19
18
17
16
15
MM1669XH
1 SW2 VO1
2
3
4
5
6
7
8
9
10
11
12
13
14
VO2 VCC SW3
V
8 2SB1237 3 3.3k VIN1 SW6 2 1
V
8
3 3.3k IL
SW7 2 1 10F AC-IN2
100F 10F AC-IN1
V
VIN2
Notes on Use
1. Heat dissipation fins are in use to connect to the external GND. 2. It is in use that the by-pass capacitor is between VCC and GND of IC as possible as near (approximately 0.1F).
MITSUMI
4ch Motor Driver for CD Player IC MM1669XH
Application Circuit
SERVO AMP SPINDLE SLED BIAS
TRACKING
FOCUS
SLED MOTOR
TRACKING COIL VCC VCC 21 20 19 18 17 16 15
M
28
27
26
25
24
23
22
MM1669XH
1
2
3
4
5 VCC
6
7
8
9
10
11
12
13
14
M
SPINDLE MOTOR 2SB1237 Regulator OUT 22F FOCUS COIL
We shall not be liable for any trouble or damage caused by using this circuit. In the event a problem which may affect industrial property or any other rights of us or a third party is encountered during the use of information described in these circuit, MITSUMI shall not be liable for any such problem, nor grant a license therefor.
MITSUMI
4ch Motor Driver for CD Player IC MM1669XH
Characteristics
Allowable loss
2.5
Allowable loss (W)
2 1.5 1 0.5 0 0 25 50 75
Terms of circuit board mounting Thickness 1.6mm 100 100mm Copper foil share under 50%
100
125
150
175
Ambient Temperature: Ta (C)
Driver Output Voltage
5 4 3 VCC=8V 2 Bias=2.5V 1 0 -1 -2 -3 -4 -5 -2.5 -2 -1.5
VOUT (V)
-1
-0.5
0
0.5
1
1.5
2
2.5
VIN (V)
3.3V Regulator Output Load Variation
3.5 3.45 3.4 3.35 3.3 3.25 3.2 3.15 3.1
Output Voltage (V)
VCC=8V Bias=2.5V
0
50
100
150
200
250
300
350
400
450
500
Load Current (mA)

▲Up To Search▲

Price & Availability of MM1669XH

	To Download MM1669XH Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .