ia3222 integration, ia3222 Datasheet - Page 29

• Manufacturer Part Number: ia3222
• Description: Ia3222/ia3223 Ez Daa? Chipset With Analog Interface
• Manufacturer: integration

Interfacing Examples
CODEC Tx
Optional CODEC reference
CODEC Rx
(AC or DC coupled)
(AC or DC coupled)
(AC or DC coupled)
CODEC
CODEC
+
-
+
-
+
-
+
-
100nF
Tx
ACRef
Rx
Figure 28: Differential interface — without reference
Figure 29: Differential interface — with reference
+
-
+
-
+
-
+
-
IA3223
Figure 27: Single-ended interface
Tx+
Tx-
Rx+
Rx-
Tx+
Tx-
ACRef
Rx+
Rx-
60k
100nF
-
+
2k
2k
1.5V reference
-
+
+
-
3.0V reference
Tx
ACRef
Rx
ACRef
Tx
Rx
-
+
IA3223
IA3223
-
+
0.6V reference
Transmitter HPF
Receiver LPF
To PWM converter
From PWM converter
IA3222/IA3223
29