參數(shù)資料
型號： TLV320AIC27IPFB
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： PLASTIC, TQFP-48
文件頁數(shù)： 53/54頁
文件大小： 732K
代理商： TLV320AIC27IPFB
TLV320AIC27
STEREO AUDIO CODEC
SLAS253A – MARCH 2000 – REVISED SEPTEMBER 2000
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over operating temperature range, AVDD = 5 V, DVDD = 3.3 V, GND = 0 V
(unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Mixer Circuit Specifications (AVDD = 5 V) 48-kHz sampling
SNR CD path A-weighted (see Note 1)
90
95
dB
SNR other paths A-weighted (see Note 1)
85
95
dB
Maximum input voltage
AVSS
1
AVDD
Vrms
Maximum output voltage on LINEOUT
1.0
1.8
Vrms
THD
0-dB voltage input
74
90
dB
Frequency response (
±1 dB)
20
20000
Hz
Input impedance (CD inputs)
At any gain
15
k
Input impedance (other mixer inputs)
At maximum gain
10
20
k
Input impedance (other mixer inputs)
At 0-db gain
100
k
Input impedance mic inputs
At maximum gain
10
20
k
Input impedance mic inputs
At 0-db gain
110
k
PSRR
20 Hz to 20kHz
40
dB
DAC Circuit Specifications (AVDD = 3.3 V) 48-kHz sampling
SNR A-weighted (see Note 1)
96
dB
Full scale output voltage
VREF = 1.65 V
0.7
Vrms
THD
–3-dB full-scale input
66
90
dB
Frequency response
20
19200
Hz
Transition band
19200
28800
Hz
Stop band
28800
Hz
Out-of-band rejection
–40
dB
Spurious-tone reduction
–100
dB
PSRR
20 Hz to 20 kHz
40
dB
ADC-Circuit Specifications (AVDD = 3.3 V) 48-kHz sampling
SNR A-weighted (see Note 1)
85
dB
ADC input for full-scale output
VREF = 1.65 V
0.7
Vrms
THD
–6-dB voltage input
66
80
dB
Frequency response
20
19200
Hz
Transition band
19200
28800
Hz
Stop band
28800
Hz
Stop-band rejection
–74
dB
PSRR
20 Hz to 20 kHz
40
dB
NOTE 1: SNR is the ratio of 0-dB signal output level to the output level with no signal, measured A-weighted over a 20 Hz to 20 kHz bandwidth.
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