Datasheet
www.ti.com
600 W
LINEI+
LINEI-
LINEO+
LINEO-
136 kW
136 kW
300 W
300 W
68 kW
Line
68 kW
10 kW
10 kW
Microphone, Handset, and Headset External Connections
MIC Preamp
10 kΩ
10 kΩ
MICI+
HEADSET/HANDSET Preamp
10 kΩ
10 kΩ
MICI-
MICBIAS
0.1 µF
0.1 µF
(1.35 V)
2 mA max, 2.35 V
HDSI+
HDSI-
0.1 µF
0.1 µF
MIC
AV
SS
10 kΩ
MIC
AV
SS
TLV320AIC20
(1.35 V)
HNSI-
HNSI+
10 kΩ
TLV320AIC20, TLV320AIC21
TLV320AIC24, TLV320AIC25
TLV320AIC20K, TLV320AIC24K
SLAS363D – MARCH 2002 – REVISED APRIL 2005
Layout and Grounding Guidelines for TLV320AIC2x (continued)
Figure 35. Hybrid Circuit External Connections
The microphone, headset, and handset external connections are shown in Figure 36 . The suggested discrete
components with their values also are included.
Figure 36. MIC/Handset/Headset External Connections
46