參數(shù)資料
型號： TLV320A23BIRHDRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC28
封裝： GREEN, PLASTIC, QFN-28
文件頁數(shù)： 7/54頁
文件大?。?/td> 795K
代理商： TLV320A23BIRHDRG4
24
2.3.4
Stereo Headphone Output
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
0-dB full-scale output voltage
1.0
VRMS
Maximum output power, PO
RL = 32
30
mW
RL = 16
40
mW
Signal-to-noise ratio, A-weighted (see Note 4)
AVDD = 3.3 V
90
97
dB
Total harmonic distortion
AVDD = 3.3 V,
PO = 10 mW
0.1
%
Total harmonic distortion
AVDD = 3.3 V,
1 kHz output
PO = 20 mW
1.0
%
Power supply rejection ratio
1 kHz, 100 mVpp
50
dB
Programmable gain
1 kHz output
73
6
dB
Programmable-gain step size
1
dB
Mute attenuation
1 kHz output
80
dB
NOTE 4: All performance measurements done with 20-kHz low-pass filter and, where noted, A-weighted filter. Failure to use such a filter results
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.
2.3.5
Analog Reference Levels
PARAMETER
MIN
TYP
MAX
UNIT
Reference voltage
AVDD/2 50 mV
AVDD/2 + 50 mV
V
Divider resistance
40
50
60
k
2.3.6
Digital I/O
PARAMETER
MIN
TYP
MAX
UNIT
VIL
Input low level
0.3
× BVDD
V
VIH
Input high level
0.7
× BVDD
V
VOL
Output low level
0.1
× BVDD
V
VOH
Output high level
0.9
× BVDD
V
2.3.7
Supply Current
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Record and playback (all active)
20
24
26
Record and playback (osc, clk, and MIC output powered down)
16
18
20
Total supply current,
Line playback only
6
7.5
9
ITOT
Total supply current,
No input signal
Record only
11
13.5
15
mA
ITOT
No input signal
Analog bypass (line in to line out)
4
4.5
6
mA
Power down,
DVDD = 1.5 V,
Oscillator enabled
0.8
1.5
3
Power down,
DVDD = 1.5 V,
AVDD = BVDD = HPVDD = 3.3 V
Oscillator disabled
0.01
相關(guān)PDF資料
PDF描述
TLV320AIC23BRHDRG4 SPECIALTY CONSUMER CIRCUIT, PQCC28
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