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參數資料
型號: TLV320AIC22PTR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: ROHS COMPLIANT, PLASTIC, LQFP-48
文件頁數: 23/55頁
文件大小: 782K
代理商: TLV320AIC22PTR
TLV320AIC22
DUAL VOIP CODEC
SLAS281B – JULY 2000 – REVISED JUNE 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
functional block diagram
CODEC 1
DAC
4-Bit DAC
ADC
HSIN
HDIN
MCIN
PGA –36 to 12 dB
1.5 dB Step (see Note 2)
CODEC 2
DAC
ADC
PGA –36 to 12 dB
1.5 dB Step
PGA –36 to 12 dB
1.5 dB Step (see Note 2)
LCD OUT
Serial
Interface
1.5 V
(Shared)
I2C
Logic
Control/
Status
Registers
DIN
DOUT
BCLK
FSYNC
M/S
MCLK
I2C/SPI
AD0
AD1
SCL
SDA
VCOM
HSOUTP
HSOUTM
HSINP
HSINM
HSIN
Handset Output
150
Handset Input
Preamp (23 dB/14 dB/ 0 dB/Mute)
HDOUTP
HDOUTM
HDINP
HDINM
HDIN
Headset Output
150
Headset Input
Preamp (23 dB/14 dB/0 dB/Mute)
SPOUTP
SPOUTM
MCINP
MCINM
MCIN
Speaker Output
8
Microphone Input
MCBIAS
LNOUTP
LNOUTM
Line Output
600
LNINP
LNINM
LNIN
Line Input
CIINP
CIINM
CIIN
Caller ID
Amplifier Input
NOTES:
1. Input and output analog signals are differential. All switches are register controlled.
2. The attenuation on the ADC PGA (12 dB to –36 dB) is done after the ADC. This attenuation cannot prevent clipping. To prevent
clipping, both the gain of the preamp and the PGA should be lowered to the required value.
HSIN
HDIN
MCIN
Preamp (42 dB/32 dB/ 20 dB/ 0 dB/Mute)
LNIN
CIIN
LNIN
CIIN
functional block diagram (one of two codecs shown)
PGA
Antialiasing
Filter
Sigma-Delta
ADC
Decimation
Filter
Buffer
Digital
Loopback
Low-Pass
Filter
Sigma-Delta
DAC
Interpolation
Filter
Vref
Analog
Loopback
Analog
Input
Analog
Output
Digital
Output
VCOM
Digital
Input
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相關代理商/技術參數
參數描述
TLV320AIC23 制造商:TI 制造商全稱:Texas Instruments 功能描述:STereo Audio CODEC, 8- to 96kHz, With Integrated Headphone Amplifier
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TLV320AIC23B 制造商:TI 制造商全稱:Texas Instruments 功能描述:Stereo Audio CODEC, 8-to 96-kHz, With Integrated Headphone Amplifier
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TLV320AIC23BGQE 功能描述:接口—CODEC Lo-Pwr Highly Integrated Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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