參數(shù)資料
型號(hào)： TPS65920BZCH
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA139
封裝： 10 X 10 MM, 0.65 MM PITCH, GREEN, PLASTIC, NFBGA-139
文件頁數(shù)： 79/115頁
文件大?。?/td> 1232K
代理商： TPS65920BZCH
SWCS037G
– MAY 2008 – REVISED APRIL 2011
Table 6-10. Uplink Characteristics (continued)
Parameter
Test Conditions
Min
Typ
Max
Unit
Peak-to-peak single-ended input voltage (0 dBFs)
For single-ended input
1.5
VPP
0 dB gain setting
Input impedance(2)
40k
70k
Total harmonic distortion (sine wave at 1.02 kHz)
At
–1 dBFs
–80
–75
dB
At
–6 dBFs
–74
–69
At
–10 dBFs
–70
–65
At
–20 dBFs
–60
–55
At
–60 dBFs
–20
–15
Idle channel noise
20 Hz to 20 kHz, A-weighted, gain = 0 dB
–85
–78
dBFs
16 kHz:
< 20 Hz to 7 kHz, gain = 0 dB
–90
8 kHz: P-weighted voice, gain = 18 dB
–87
16 kHz:
< 20 Hz to 7 kHz, gain = 18 dB
–82
Crosstalk A/D to D/A
Gain = 0 dB
–80
dB
Crosstalk path between two microphones
–70
dB
Intermodulation distortion
2-tone method
–60
dB
(2)
Impedance varies in the specified range with gain selection.
6.2.4
Microphone Amplification Stage
The microphone amplification stages perform the single-to-differential conversion for single-ended inputs.
Two programmable gains from 0 dB to 30 dB can be set:
Automatic level control for main microphone input. The gain step is 1 dB.
Level control by register for line-in or carkit input. The gain step is 6 dB.
The amplification stage outputs are connected to the ADC input (ADC left and right).
66
Audio/Voice Module (TPS65930 Device Only)
Copyright
2008–2011, Texas Instruments Incorporated
focus.ti.com: TPS65930/TPS65920
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS65920BZCH 制造商:Texas Instruments 功能描述:Power Supply IC
TPS65920BZCHR 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Int Pwr Mgmt IC RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS65921B1ZQZ 功能描述:PMIC 解決方案 Integrated Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65921B1ZQZR 功能描述:PMIC 解決方案 Integrated Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
TPS65921BZQZ 功能描述:PMIC 解決方案 Int Power Mgmt IC RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
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