參數(shù)資料
型號： TLV320AIC33IZQER
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA80
封裝： 5 X 5 MM, ROHS COMPLIANT, PLASTIC, VFBGA-80
文件頁數(shù)： 56/93頁
文件大?。?/td> 1427K
代理商： TLV320AIC33IZQER
ELECTRICAL CHARACTERISTICS
SLAS480B – JANUARY 2006 – REVISED DECEMBER 2008 ........................................................................................................................................... www.ti.com
At 25°C, AVDD, DRVDD, 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 kHz, 0 dB PGA gain, MIC1/LINE1 inputs
80
92
dB
A-weighted(1) (2)
selected and AC-shorted to ground
Fs = 48 kHz, 1-kHz –60 dB full-scale input applied at
Dynamic range, A-weighted(1) (2)
92
dB
MIC1/LINE1 inputs, 0-dB PGA gain
–90
–75
dB
Fs = 48 kHz, 1-kHz –2dB full-scale input applied at
THD
Total harmonic distortion
MIC1/LINE1 inputs, 0-dB PGA gain
0.003%
0.017%
234 Hz, 100 mVpp on AVDD, DRVDD, single-ended
46
input
Power supply rejection ratio
dB
234 Hz, 100mVpp on AVDD, DRVDD, differential input
68
1 kHz, –2 dB MIC3L to MIC3R
–80
ADC channel separation
1 kHz, –2 dB MIC2L to MIC2R
–99
dB
1 kHz, –2 dB MIC1L to MIC1R
–-73
ADC gain error
1 kHz input, 0 dB PGA gain
0.7
dB
ADC programmable gain
1-kHz input tone, RSOURCE < 50
59.5
dB
amplifier maximum gain
ADC programmable gain
0.5
dB
amplifier step size
MIC1/LINE1 inputs, routed to single ADC
20
Input mix attenuation = 0 dB
MIC2/LINE2 inputs, input mix attenuation = 0 dB
20
MIC3/LINE3 inputs, input mix attenuation = 0 dB
20
MIC1/LINE1 inputs,
Input resistance
k
80
input mix attenuation = –12 dB
MIC2/LINE2 inputs,
80
input mix attenuation = –12 dB
MIC3/LINE3 inputs,
80
input mix attenuation = –12 dB
Input capacitance
MIC1/LINE1 inputs
10
pF
Input level control minimum
0
dB
attenuation setting
Input level control maximum
12
dB
attenuation setting
Input level control attenuation
1.5
dB
step size
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
Sec
(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.
6
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC33
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