參數(shù)資料
型號： TLV320AIC3107IRSBR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 2 CHANNEL, AUDIO AMPLIFIER, PQCC40
封裝： 5 X 5 MM, 0.40 MM PITCH, GREEN, PLASTIC, WQFN-40
文件頁數(shù)： 67/99頁
文件大?。?/td> 1474K
代理商： TLV320AIC3107IRSBR
ELECTRICAL CHARACTERISTICS
www.ti.com .............................................................................................................................................. SLOS545C – NOVEMBER 2008 – REVISED MARCH 2009
At 25°C, AVDD_DAC = 3.3 V, DRVDD = 3.3 V, SPVDD = 5 V, IOVDD = 3.3 V, DVDD = 1.8 V, Fs = 48-kHz, 16-bit audio data
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AUDIO ADC
Input signal level (0 dB)
Single-ended input
0.707
VRMS
Signal-to-noise ratio,
Fs = 48 ksps, 0 dB PGA gain, Inputs ac-shorted to ground
80
92
dB
A-weighted(1) (2)
Fs = 48 ksps, 0 dB PGA gain,
Dynamic range (2)
91
dB
–60 dB full-scale input signal
Fs = 48 ksps, 0 dB PGA gain,
THD
Total harmonic distortion
–88
–70
dB
–2dB full-scale 1kHz input signal
217 Hz signal applied to DRVDD
49
Power supply rejection ratio
dB
1 kHz signal applied to DRVDD
46
Fs = 48 ksps, 0 dB PGA gain,
Gain error
0.84
dB
–2dB full-scale 1kHz input signal
1 kHz, -2dB full-scale signal, MIC3L to MIC3R
-86
Input channel separation
1 kHz, -2dB full-scale signal, MIC2L to MIC2R
-98
dB
1 kHz, -2dB full-scale signal, MIC1L to MIC1R
-75
ADC programmable gain
1-kHz input tone
59.5
dB
amplifier maximum gain
ADC programmable gain
0.5
dB
amplifier step size
LINE1L inputs routed to single ADC
20
Input mix attenuation = 0 dB
LINE1L inputs routed to single ADC,
80
input mix attenuation = 12 dB
Input resistance
k
LINE2L inputs routed to single ADC
20
Input mix attenuation = 0 dB
LINE2L inputs routed to single ADC,
80
input mix attenuation = 12 dB
Input level control minimum
0
dB
attenuation setting
Input level control maximum
12
dB
attenuation setting
Input signal level
Differential Input
1.414
VRMS
Signal-to-noise ratio,
Fs = 48 ksps, 0 dB PGA gain, Inputs ac-shorted to
92
dB
A-weighted(1) (2)
ground, Differential Mode
Fs = 48 ksps, 0 dB PGA gain, –2dB Full-scale 1kHz input
THD
Total harmonic distortion
–91
dB
signal, Differential Mode
ANALOG PASS THROUGH MODE
LINE1L to LEFT_LOP
330
LINE1R to RIGHT_LOP
330
Input to output switch
resistance, (rDS(on))
SWINP to SWOUTP
1
SWINM to SWOUTM
1
ADC DIGITAL DECIMATION FILTER, Fs = 48 kHz
Filter gain from 0 to 0.39 Fs
±0.1
dB
Filter gain at 0.4125 Fs
–0.25
dB
Filter gain at 0.45 Fs
–3
dB
Filter gain at 0.5 Fs
–17.5
dB
Filter gain from 0.55 Fs to 64 Fs
–75
dB
Filter group delay
17/Fs
s
(1)
Ratio of output level with 1-kHz full-scale sine-wave input, to the output level with the inputs short circuited, measured A-weighted over a
20-Hz to 20-kHz bandwidth using an audio analyzer.
(2)
All performance measurements done with 20-kHz low-pass filter and, where noted, A-weighted filter. Failure to use such a filter may
result in higher THD+N and lower SNR and dynamic range readings than shown in the Electrical Characteristics. The low-pass filter
removes out-of-band noise, which, although not audible, may affect dynamic specification values.
Copyright 2008–2009, Texas Instruments Incorporated
7
Product Folder Link(s): TLV320AIC3107
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