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Am79Q4457/5457 Data Sheet
BLOCK DIAGRAM
Quad SLAC-NP Device
CCLK
Signal Processing
Channel 1 (CH 1)
Signal Processing
Channel 2 (CH 2)
Single
PCM
Control Interface
DXA
DRA
FSX
1–4
PCLK
PCM
Interface
20031A-001
Analog
I1
IN1
I2
IN1
I1
IN2
I2
IN2
TSCA
Signal Processing
Channel 3 (CH 3)
Signal Processing
Channel 4 (CH 4)
CO
Highway
CI
CS
1–4
Clock
&
Reference
Circuits
MCLK
V
OUT1
V
OUT2
I1
IN3
I2
IN3
V
OUT3
I1
IN4
I2
IN4
V
OUT4
I
REF1
I
REF2
V
REF1
*2
*2
*2
*2
A/µ
FSR
1–4
*2
I
REF3
*2
V
REF2
*2
V
REF3
*2
PDN
1–4
*1
*2
*2
*2
*2
V
CCA
AGND
Notes:
*1 = Am79Q5457 only.
*2 = Am79Q4457 only.
V
CCD
DGND