AM79Q4457J ETC1 [List of Unclassifed Manufacturers], AM79Q4457J Datasheet - Page 31

• Manufacturer Part Number: AM79Q4457J
• Description: Quad Subscriber Line Audio Processing Circuit-Non-Programmable (QSLAC-NP) Devices
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

13 k
13 k
13 k
R
R1
R2
Z
SLIC1
SLIC2
SLIC3
SLIC4
T1–4
PULL
RSN
RSN
RSN
RSN
Analog GND
V
V
V
V
TX1
TX1
Analog V
TX
TX
TX
TX
= SLIC Programming Impedance - See SLIC Data Sheet
, R1
, R2
= 360
R
R
R
TX2
TX2
REF1
REF2A
REF3A
Z
Z
Z
Z
, R1
, R2
CC
T2
T3
T1
T4
± 5%
+ R
+ R
R1
R1
R1
R1
R2
R2
R2
R2
26 k
TX3
TX3
R
R
R
R
RX1
RX4
RX3
RX2
To
SLICs
TX1
TX3
TX2
TX4
REF2B
REF3B
, R1
, R2
TX1
TX2
TX3
TX4
TX4
TX4
Bal
Net
Bal
Net
Bal
Net
Bal
Net
1
1
1
1
C1
26 k
26 k
C1
- See Transmit Gain Select 1, Table 2
- See Transmit Gain Select 2, Table 2
C1
C1
TX4
TX3
TX1
TX2
Bal
Net
Bal
Net
Bal
Net
Bal
Net
2
2
2
2
C2
C2
C
C2
C
C
C2
C
RX3
RX2
RX4
RX1
TX3
TX4
TX1
TX2
Bal
Net
Bal
Net
Bal
Net
Bal
Net
1
1
1
1
*
*
*
*
Figure 10. Am79Q4457JC Device
Bal
Net
Bal
Net
Bal
Net
Bal
Net
2
2
2
2
*
*
*
*
I1
I2
V
I1
I2
V
I1
I2
V
I1
I2
V
AGND
V
SLAC Products
OUT1
OUT2
OUT3
OUT4
CCA
IN1
IN1
IN2
IN2
IN3
IN3
IN4
IN4
Am79Q4457JC
QSLAC-NP
R
C
C1
C2
C
*Optional Balance Network connection.
RX1
FIL
RX1
DGND
Digital
TX1
TX1
GND
, R
= 0.1 µF ± 20%, X7R
, C
, C1
, C2
RX2
RX2
TX2
TX2
, R
, C
Digital
V
, C1
, C2
V
RX3
RX3
CCD
CC
, R
, C
TX3
TX3
MCLK
TSCA
PCLK
CCLK
FSR
FSX
V
V
V
DRA
DXA
RX4
RX4
I
I
I
CS
CS
CS
CS
, C1
, C2
REF1
REF2
REF3
REF1
REF2
REF3
A/
CO
CI
- See SLIC Data Sheet
= 0.1 µF ± 20%, X7R, typ.
n
n
1
2
3
4
TX4
TX4
To other
QSLAC-NP
Devices
V
= 0.1 µF ± 20%, X7R, typ.
= 0.1 µF ± 20%, X7R, typ.
C
CCD
R
R
FIL
R
REF1
REF3A
REF2A
R
PULL
R
R
REF2B
REF3B
V
20031A–011
CCD
31
P
C
M
C
N
B
A
K
P
L
A
E
C
O
N
T
R
O
L