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M62440FP
Electric Volume Control with Tone Controller for 4-Speaker Applications
REJ03F0211-0201 Rev.2.01 Mar 31, 2008
Description
The M62440FP is an IC developed for car audio, it has a built-in 4ch input selector, master volume, loudness, tone control and fader volume blocks. All of these blocks are controlled via serial data. Thank to the used zero crossing detector, very low click noise are obtained.
Features
* * * * * * Built-in zero cross detector prevents click noise 4-input selector Loudness Tone control bass/Mid/Treble Master volume/Fader Volume Serial data control
Recommended Operating Conditions
Supply voltage range: VCC = 6 to 9 V VDD = 4 to 6 V Rated supply voltage: VCC = 8 V VDD = 5 V
Block Diagram
Lch Front IND2 INC2 INB2 INA2 Volume & Loudness Zero cross detector Interfase Zero cross detector Bass/ Mid/ Treble Fader Rear Rch Front Rear Bass/ Mid/ Treble Fader
IND1 INC1 INB1 INA1
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 1 of 10
Loudness ON
100 k
Loudness OFF ON OFF
FROUT VDD N.C. N.C. N.C.
SW A
- +
OFF ON
RROUT
M62440FP
0.0033
SW B
INA2
6.8 k 2.2 0.068 0.068 0.01 1 22 k 0.047 1.5 k
INB2
INC3
IND4
VCC
22 k
22 k
22 k
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
VCC VDD B
+ +
A B
1
22 k 2.2 0.068 6.8 k
2
3
4
5
6
7
8
9
47 k
22 k
22 k
22 k
10
47 k
INA1
INB1
INC1
IND1
100 k
- +
- +
22 k
10
11
12
0.01
0.068 0.047 0.0033 1.5 k
- +
Loudness SW
- +
- +
- +
- +
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 2 of 10
22 k - + - +
A Loudness SW
- +
- + - +
Pin Configuration and Application Example
REF ZERO CROSS DETECTOR
ZERO CROSS DETECTOR I/F TIMER DETECTOR
+
+
Vcc GND 13 14 15 16 17 18
N.C. 1 200 k
19
0.22
20
21
N.C.
MCU
RROUT FROUT
M62440FP
Pin Description
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Symbol REF INA1 INB1 INC1 IND1 SELECT OUT1 VOL IN1 LOUD IN1 BASSA1 BASSB1 MID1 TRE1 TONE OUT1 FADER IN1 REAR OUT1 FRONT OUT1 GND N.C. TIM1 Function IC signal ground. Apply 1/2 VCC Input pin for channel 1 of the input selector switch block
Output pin of the input selector switch block Input pin of the volume block Pin for setting the frequency characteristics of the loudness block Pin for setting the frequency characteristics of the tone (Bass) block R-ladder terminal of tone (Mid) R-ladder terminal of tone (Treble) Output pin of the tone block Input pin of the fader volume Output pin of the fader volume (Rear) Output pin of the fader volume (Front) Ground Non Connection Timer setting terminal The relationship between outside parts 4 C and setting time is T = 13.8 x 10 * C (s). Input pin of the control data This pin inputs data in synchronization with CLOCK Non Connection Non Connection Clock input pin for serial data transfer Non Connection Non Connection Digital power supply pin, normally +5 V Output pin of the fader volume (Front) Output pin of the fader volume (Rear) Input pin of the fader volume Output pin of the tone block R-ladder terminal of tone (Treble) R-ladder terminal of tone (Mid) Pin for setting the frequency characteristics of the tone (Bass) block Pin for setting the frequency characteristics of the loudness block Input pin of the volume block Output pin of the input selector switch block Input pin for channel 2 of the input selector switch block
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
DATA N.C. N.C. CLOCK N.C. N.C. VDD FRONT OUT2 REAR OUT2 FADER IN2 TONE OUT2 TRE2 MID2 BASSB2 BASSA2 LOUD IN2 VOL IN2 SELECT OUT2 IND2 INC2 INB2 INA2 VCC
Analog power supply pin
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 3 of 10
M62440FP
Absolute Maximum Ratings
Item Supply voltage Power dissipation Thermal derating ratio Operating temperature Storage temperature Symbol VCC, VDD Pd K Topr Tstg Ratings 10, 7 990 9.9 -30 to 85 -55 to 125 Unit V mW mW/C C C Conditions -- Ta 25C Ta 25C -- --
Thermal Derating
Power Dissipation Pd (mW)
1000
990
800 600 400 200 75 85 100
25
50
125
150
Ambient Temperature Ta (C)
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 4 of 10
M62440FP
Electrical Characteristics
Ta = 25C, VCC = 8 V, VDD = 5 V, VOL/FADER = 0 dB, TONE/FLAT, Loudness OFF unless otherwise noted
Item Circuit current Pass gain Maximum attenuation Attenuation error Maximum input voltage Bass boost Bass cut MID boost MID cut Treble boost Treble cut Maximum attenuation Maximum output voltage Output noise voltage ICC Gv ATT (VOL) ATT (VOL) VIM G (Bass) B G (Bass) C G (MID) B G (MID) C G (Tre) B G (Tre) C ATT (FED) VOM Vno1 Vno2 Symbol Min -- -3.5 -32.5 -2.5 1.8 13 -15 9 -15 9 -15 -- 1.8 -- -- Limits Typ 20 0 -30 0 2.2 16 -12 12 -12 12 -12 -90 2.2 10 3 Max 35 3.5 -27.5 2.5 -- 19 -9 15 -9 15 -9 -80 -- 18 8 Unit mA dB dB dB Vrms dB dB dB dB dB dB dB Vrms Vrms Test Conditions No input signal Outside resister 22 k of pin 2 to 5, pin 38 ~ 41 Vi = 1 Vrms, f = 1 kHz ATT (VOL) = -30 dB ATT (VOL) = 0 dB f = 1 kHz, BW: 400 ~ 30 kHz THD = 1% f = 100 Hz f = 100 Hz f = 1 kHz f = 1 kHz f = 10 kHz f = 10 kHz Vi = 1 Vrms, f = 1 kHz ATT (FED) = - dB f = 1 kHz, BW: 400 to 30 kHz THD = 1% Rg = 0, DIN-AUDIO ATT (VOL) = -30 dB ATT (FED) = - dB Rg = 0, DIN-AUDIO f = 1 kHz, Vo = 0.5 Vrms BW: 400 Hz to 30 kHz f = 1 kHz f = 1 kHz Loudness ON f = 100 Hz, ATT (VOL) = -30 dB Loudness ON f = 10 kHz, ATT (VOL) = -30 dB
Total harmonic distortion Channel separation Cross talk of input selector Voltage gain of loudness
THD CS CT G (LOUD) L G (LOUD) H
-- -- -- 7.0 3.5
0.01 -90 -75 11.0 6.5
0.05 -80 -65 15.0 9.5
% dB dB dB
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 5 of 10
M62440FP
Relationship between Data and Clock
CLOCK D0 DATA D1 D2 D3 D12 D13 D14
DATA reading mode; The rising edge of the CLOCK signal
LATCH SIGNAL "H" LATCH reading mode; The falling edge of the CLOCK signal
Digital Circuit DC Characteristics
Item "L" level input voltage "H" level input voltage "L" level input current "H" level input current Symbol VIL VIH IIL IIH Min 0 0.8 VDD -10 -- Limits Typ ~ ~ -- -- Max 0.2 VDD VDD 10 10 Unit V A Test Conditions DATA, CLOCK pins VI = 0 VI = VDD DATA, CLOCK pins
Digital Circuit AC Characteristics
Item CLOCK cycle time CLOCK pulse width ("H" level) CLOCK pulse width ("L" level) CLOCK rise time CLOCK fall time DATA setup time DATA hold time Symbol tcr tWHC tWLC tr tf tSD tHD Min 4 1.6 1.6 -- -- 0.8 0.8 Limits Typ -- -- -- -- -- -- -- Max -- -- -- 0.4 0.4 -- -- Unit s
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 6 of 10
M62440FP
Clock Data Timing
tcr
75% CLOCK 25% tr tf
tWHC
tWLC
DATA
tSD
tHD
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 7 of 10
M62440FP
Data Input Format
Data Select 0: 1CH 1: 2CH 0: Loudness OFF 1: Loudness ON D0 0 0 D1 D2 Input Selector Fader ATTF2 Bass D3 0/1 0/1 D4 0 0/1 0/1 Treble 0/1 D5 D6 D7 0: Both Channel 1: Side Channel D8 D9 D10 D11 D12 D13 D14 Volume Fader ATTF1 Mid 0 0/1 0 1 0 0 0 1 00: Input Selector/Loudness/Volume 10: Fader 01: Bass/Treble/Mid
0: Front/Rear Both 1: Front/Rear Independence 0: Front 1: Rear 0: Front Point Zero Detect 1: Rear Point Zero Detect
Note:
Input selector, Loudness and Tone (Bass/Mid/Treble) are always set for same conditions of both channel (1ch & 2ch).
Volume Code
ATT V1 0 dB -4 dB -8 dB -12 dB -16 dB -20 dB -24 dB -28 dB D7 1 0 1 0 1 0 0 1 D8 0 0 1 1 0 0 1 1 D9 1 1 0 0 0 0 1 1 ATT V2 0 dB -1 dB -2 dB -3 dB D10 1 0 1 0 D11 1 1 0 0
Fader Code
ATT F1 0 dB -8 dB -16 dB -24 dB -32 dB -40 dB -48 dB -56 dB - dB D7 1 1 0 1 0 1 0 1 0 D8 0 1 1 0 0 1 1 0 0 D9 0 1 1 1 1 0 0 0 0 D10 1 0 0 0 0 0 0 0 0 ATT F2 0 dB -2 dB -4 dB -6 dB D1 1 0 1 0 D2 1 1 0 0
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 8 of 10
M62440FP
Tone Code
Bass 16 dB 14 dB 12 dB 10 dB 8 dB 6 dB 4 dB 2 dB 0 dB -2 dB -4 dB -6 dB -8 dB -10 dB -12 dB Treble 12 dB 10 dB 8 dB 6 dB 4 dB 2 dB 0 dB -2 dB -4 dB -6 dB -8 dB -10 dB -12 dB Mid 12 dB 10 dB 8 dB 6 dB 4 dB 2 dB 0 dB -2 dB -4 dB -6 dB -8 dB -10 dB -12 dB D0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 D4 0 1 0 1 0 1 0 1 0 1 0 1 0 D8 0 1 0 1 0 1 0 1 0 1 0 1 0 D1 0 1 1 0 0 1 1 0 0 0 1 1 0 0 1 D5 1 0 0 1 1 0 0 0 1 1 0 0 1 D9 1 0 0 1 1 0 0 0 1 1 0 0 1 D2 0 1 1 1 1 0 0 0 0 0 0 0 1 1 1 D6 1 1 1 0 0 0 0 0 0 0 1 1 1 D10 1 1 1 0 0 0 0 0 0 0 1 1 1 D3 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 D7 0 0 0 0 0 0 0 1 1 1 1 1 1 D11 0 0 0 0 0 0 0 1 1 1 1 1 1
Input Selector
Input Selector D (5, 38 pin) C (4, 39 pin) B (3, 40 pin) A (2, 41 pin) D1 1 1 0 0 D2 1 0 1 0
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 9 of 10
M62440FP
Package Dimensions
42P2R-A
EIAJ Package Code SSOP42-P-450-0.80
42
MMP
JEDEC Code -- Weight(g) 0.63
22
Plastic 42pin 450mil SSOP
Lead Material Alloy 42/Cu Alloy e b2
HE
E
e1
F
Recommended Mount Pad Dimension in Millimeters Min Nom Max 2.4 -- -- -- -- 0.05 -- 2.0 -- 0.5 0.4 0.35 0.2 0.15 0.13 17.7 17.5 17.3 8.6 8.4 8.2 -- 0.8 -- 12.23 11.93 11.63 0.7 0.5 0.3 -- 1.765 -- 0.75 -- -- -- 0.9 -- 0.15 -- -- 0 -- 10 -- -- 0.5 -- 11.43 -- -- 1.27 --
Symbol
1 21
A
G
D
A2 e y
b
A1
A A1 A2 b c D E e HE L L1 z Z1 y b2 e1 I2
L1
c z Z1 Detail G Detail F
REJ03F0211-0201 Rev.2.01 Mar 31, 2008 Page 10 of 10
L
I2
Sales Strategic Planning Div.
Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan
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Colophon .7.2

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