Datasheet

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DAC
+
+
Σ-∆
DAC
0dB to -42 dB
(1.5 dB Steps).
-48 dB, -54 dB
Analog Sidetone
-9 dB to -27 dB
Σ-∆
ADC
0dB to 42dB
(1.5 dB Steps).
48 dB, 54 dB
CODEC 1 (Channel 1)
Σ-∆
DAC
0dB to -42 dB
(1.5 dB Steps).
-48 dB, -54 dB
Σ-∆
ADC
0dB to 42dB
(1.5 dB Steps).
48 dB, 54 dB
CODEC 2 (Channel 2)
Analog Sidetone
-9 dB to -27 dB
1.35 V / 2.35
2 mA
SMARTDM

Serial Port
Internal Clock
Generator
Host Port
SPKO+
SPKO-
Speaker
8 Ω Output
LINE0+
LINEO-
Line Output
600 Ω
HNSO+
HNSO-
Handset
150 Ω Output
HNSI+
HNSI-
Handset
Input
HDSO+
HDSO-
Headset
150 Ω Output
HDSI+
HDSI-
Headset
Input
MICI+
MICI-
Microphone
Input
LINEI+
LINEI-
Line
Input
CIDI+
CIDI-
MICBIAS
LCDAC
MCLK FSD DOUT DIN SCLK FS M/S SDA SCL
TLV320AIC20, TLV320AIC21
TLV320AIC24, TLV320AIC25
TLV320AIC20K, TLV320AIC24K
SLAS363D – MARCH 2002 – REVISED APRIL 2005
Functional Block Diagram - AIC20/21/20K
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