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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： | 46/55頁 |
| 文件大小： | 782K |
| 代理商： | TLV320AIC22PTR |
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TLV320AIC22
DUAL VOIP CODEC
SLAS281B – JULY 2000 – REVISED JUNE 2002
50
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
recommended power-supply decoupling
The recommended power-supply decoupling for the TLV320AIC22 is shown in Figure 24. Both high-frequency
and bulk decoupling capacitors are suggested. The high-frequency capacitors should be X7R type capacitors
or better. A 1-
F ceramic capacitor should be used to decouple the digital power supply.
DVDD
DVSS
TLV320AIC22
1
F
(Ceramic)
0.01
F
DGND
3.3 V_D
AVDD1
AVSS1
10
F
0.01
F
AGND1
3.3 V_A1
+
15
16
33
32
AVDD2
AVSS2
10
F
0.01
F
AGND1
3.3 V_A1
+
5
6
AVDD3
AVSS3
10
F
0.01
F
AGND2
3.3 V_A2
+
27
25
29
AVSS3
FILT1
43
FILT2
0.1
F
3.3 V_D = 3.3-V Digital Power
DGND = Digital Ground
3.3 V_A1 = 3.3-V Analog Power
AGND1 = Analog Ground
3.3 V_A2 = Separate 3.3-V Analog Power
AGND2 = Separate Analog Ground
42
Figure 24. Recommended Decoupling
suggested configuration sequence
The default settings for the TLV320AIC22 are shown in Table 15.
Table 15. Default Codec Settings
CODEC 1 DEFAULT SETTINGS
CODEC 2 DEFAULT SETTINGS
I = 6, N = 0, D = 6
Same as codec 1
Analog and digital loopback not asserted
Same as codec 1
Codec power down not asserted
Same as codec 1
Software reset not asserted
Same as codec 1
ADC input PGA gain set for 0 dB
Same as codec 1
DAC output PGA gain set to 0 dB
Same as codec 1
Handset input selected for analog input
Line output selected for analog output
Handset output selected for analog output
Line input selected for analog input
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| 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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| 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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