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参数资料
| 型号： | TLV320AIC22PTR |
| 厂商： | Texas Instruments, Inc. |
| 元件分类： | Codec |
| 英文描述： | DUAL VOIP CODEC |
| 中文描述： | 双VoIP编解码器 |
| 文件页数： | 23/55页 |
| 文件大小： | 763K |
| 代理商： | TLV320AIC22PTR |
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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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相关代理商/技术参数 |
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| TLV320AIC23 | 制造商:TI 制造商全称: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 制造商全称:Texas Instruments 功能描述:Stereo Audio CODEC, 8-to 96-kHz, With Integrated Headphone Amplifier |
| TLV320AIC23B_06 | 制造商:TI 制造商全称:Texas Instruments 功能描述:Stereo Audio CODEC, 8-to 96-kHz, With Integrated Headphone Amplifier |
| TLV320AIC23BGQE | 功能描述:接口—CODEC Lo-Pwr Highly Integrated Codec RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
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