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參數資料
型號: TPS65930BZCHR
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費家電
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: 78/115頁
文件大小: 1232K
代理商: TPS65930BZCHR
Onboard
Chip
CAUXR
CAUXR.M
AUXR
037-008
DigitalPGA
gain=0to31dB
Amp
0to30dB
ADC
037-050
SWCS037G
– MAY 2008 – REVISED APRIL 2011
6.2.2
FM Radio/Auxiliary Input
The auxiliary input AUXR/FMR can be used as FM radio input. The amplification stage output is
connected to the ADC input. The FM radio input can also be output through an audio output stage.
6.2.2.1
External Components
Figure 6-9 shows the external components on the auxiliary input.
Figure 6-9. Audio Auxiliary Input
NOTE
For other component values, see Table 14-1.
6.2.3
Uplink Characteristics
Figure 6-10 shows the uplink amplifier. Table 6-10 lists the uplink characteristics.
Figure 6-10. Uplink Amplifier
Table 6-10. Uplink Characteristics
Parameter
Test Conditions
Min
Typ
Max
Unit
Speech delay
Voice path
0.5
ms
Gain range(1)
0
61
dB
Absolute gain
0 dBFs at 1.02 kHz
–1
1
dB
Peak-to-peak differential input voltage (0 dBFs)
For differential input
1.5
VPP
0 dB gain setting
(1)
Gain range is defined by: Preamplifier = 0 to 30 dB; Filter = 0 to 31 dB (1-dB steps)
Copyright
2008–2011, Texas Instruments Incorporated
Audio/Voice Module (TPS65930 Device Only)
65
focus.ti.com: TPS65930/TPS65920
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