參數(shù)資料
型號(hào)： TLV320AIC31IRHBR
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC32
封裝： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁(yè)數(shù)： 56/83頁(yè)
文件大小： 1197K
代理商： TLV320AIC31IRHBR
SLAS497C – AUGUST 2006 – REVISED DECEMBER 2008 ............................................................................................................................................. www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
At +25°C, AVDD, DRVDD, IOVDD = 3.3 V, DVDD = 1.8 V, FS = 48 kHz, 16-bit audio data (unless otherwise noted).
TLV320AIC31
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AUDIO DAC
Differential Line Output, load = 10 k
, 50 pF
0-dB gain to line outputs. DAC output
1.414
VRMS
Full-scale differential output
common-mode setting = 1.35 V, output level control
voltage
4.0
VPP
gain = 0 dB
Signal-to-noise ratio,
FS = 48 kHz, 0-dB gain to line outputs, zero signal
90
100
dB
A-weighted(3)
applied, referenced to full-scale input level
FS = 48 kHz, 0-dB gain to line outputs,
Dynamic range, A-weighted
100
dB
1 kHz –60 dB signal applied
Total harmonic distortion
FS = 48 kHz, 1 kHz 0-dB input signal applied
–93
–75
dB
Power-supply rejection ratio
234 Hz, 100 mVPP on AVDD, DRVDD1/2
81
dB
DAC channel separation (left to
1 kHz, 0 dB
–100
dB
right)
DAC interchannel gain mismatch
1-kHz input, 0-dB gain
0.1
dB
DAC Gain Error
1-kHz input, 0-dB gain
–0.26
dB
DAC DIGITAL INTERPOLATION FILTER, FS = 48 kHz
Passband
High-pass filter disabled
0.45 × FS
Hz
Passband ripple
High-pass filter disabled
±0.06
dB
Transition band
0.45 × FS
0.55 × FS
Hz
Stop band
0.55 × FS
7.5 × FS
Hz
Stop band attenuation
65
dB
Group delay
21/FS
Sec
STEREO HEADPHONE DRIVER
AC-Coupled Output Configuration(3)
0-dB gain to high-power outputs.
0-dB full-scale output voltage
0.707
VRMS
Output common-mode voltage setting = 1.35 V
First option
1.35
Programmable output common
Second option
1.50
mode voltage (applicable to Line
V
Third option
1.65
Outputs also)
Fourth option
1.8
Maximum programmable output
9
dB
level control gain
Programmable output level
1
dB
control gain step size
RL = 32
15
PO
Maximum output power
mW
RL = 16
30
Signal-to-noise ratio,
94
dB
A-weighted(4)
(3)
Unless otherwise noted, all measurements use output common-mode voltage setting of 1.35 V, 0-dB output level control gain, 16-
single-ended load.
(4)
Ratio of output level with a 1-kHz full-scale input, to the output level playing an all-zero signal, measured A-weighted over a 20-Hz to
20-kHz bandwidth.
6
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): TLV320AIC31
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