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CAS-1
CAS-1
54
54
• IC Block Diagrams
– MAIN Board –
IC401 PCM1795DBR
IC553 S-13A1A15-E6T1U3
IC554 S-13A1A18-E6T1U3
IC555 S-13A1A12-E6T1U3
IC556 – 558 S-13A1A33-E6T1U3
IC654 BU4229F-TR
ZERO
DETECT
AUDIO
DATA INPUT
I/F
FUNCTION
CONTROL
I/F
x8
OVERSAMPLING
DIGITAL FILTER
AND
FUNCTION
CONTROL
ADVANCED
SEGMENT
DAC
MODULATOR
ZEROL 1
ZEROR 2
MSEL 3
LRCK 4
DATA 5
BCK 6
SCL 7
DGND 8
VDD 9
MS 10
MDI 11
SYSTEM
CLOCK
MANAGER
CURRENT
SEGMENT
DAC
BIAS
AND
VREF
POWER SUPPLY
MC 12
MDO 13
RST 14
VCC2R
15
AGND3R
16
IOUTR+
17
IOUTR–
18
AGND1
19
IREF
20
VCOMR
21
VCOML
22
VCC1
23
AGND2
24
AGND3L
27
VCC2L
28
CURRENT
SEGMENT
DAC
IOUTL+
25
IOUTL–
26
IC402 NJM2871BF33-TE2
IC657 74VHC541FT
IC656, 658 74VHC157FT
IC901 TPS2560DRCR
IC407 NJW1194
IC403 MM1836A50NRE
IC900 BD11600NUX-E2
IC551 RP108J081D-FE
5
VIN
4
VOUT
2
GND
3
NOISE
BYP
ASS
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
INA1 1
INA2 2
INA3 3
INA4 4
GND 5
GND 13
TONE_TR1A 14
TONE_BA1A 15
TONE_BA2A 16
GND 7
DCCAP_A 6
OUTA 8
VDDOUT 9
DATA 10
CLOCK 11
LATCH 12
+
–
+
–
INB1
32
INB2
31
INB3
30
INB4
29
GND
28
DCCAP_B
27
GND
26
OUTB
25
ADR1
24
ADR0
23
V+
22
V–
21
TONE_BA2B
17
TONE_BA1B
18
TONE_TR1B
19
GND
20
CONTROL
LOGIC
TONE
TONE
ZERO CROSS
DETECTION
3
1
GND
2
VDD
CE
4
VOUT
5
VFB
VREF
CURRENT LIMIT
THERMAL
SHUTDOWN
REVERSE
DETECTOR
VOUT 1
VIN
6
VSS 2
ON/OFF 3
+
–
REFERENCE
VOLTAGE
ON/OFF
CONTROL
VSS
5
SSC
4
INRUSH CURRENT
LIMITING
THERMAL
SHUTDOWN
OVERCURRENT
PROTECTION
SELECT 11
1
1A 2
3
4
5
6
7
INPUT
INPUT
OUTPUT
OUTPUT
1A
1B
1Y
2A
2B
2Y
1B
1Y
2A
2B
2Y
GND 8
V
CC
STROBE
16
4A
15
14
13
11
12
11
10
INPUT
INPUT
OUTPUT
OUTPUT
G
4B
4Y
3A
4A
4B
4Y
3A
3B
9
3B
3Y
3Y
S
8
15
16
10
14
13
12
11
9
6
7
4
2
3
1
VCC
G2
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
GND
A8
A7
A6
A5
A4
A3
A2
G1
A1
20 19
18
17
5
D+
8
S
9
VCC
10
D–
7
OE
6
1D+ 1
CONTROL
1D– 2
SW1
2D+ 3
2D– 4
GND 5
SW2
GND 1
EN1 4
IN 2
IN 3
6 FAULT2
7 ILLM
9 OUT1
CHARGE
PUMP
UNDERVOLTAGE
LOCKOUT
THERMAL
SENSE
CURRENT
LIMIT
9-ms
DEGLITCH
9-ms
DEGLITCH
CURRENT
SENSE
DRIVER
EN2 5
THERMAL
SENSE
8 OUT2
CURRENT
SENSE
10 FAULT1
–
+
VDD 2
GND 1
VOUT
4
CT
3
VREF
Summary of Contents for CAS-1
Page 34: ...CAS 1 34 MEMO ...
Page 97: ...MEMO CAS 1 17 ...