參數(shù)資料
型號： PCM3052ARTFG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 編解碼器
英文描述： PCM CODEC, PQCC32
封裝： GREEN, PLASTIC, VQFN-32
文件頁數(shù)： 34/47頁
文件大?。?/td> 776K
代理商： PCM3052ARTFG4
www.ti.com
PCM3052A
SLES160 – NOVEMBER 2005
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A = 25°C, VCC1 = VCC2 = VCC3 = 5 V, VDD = 3.3 V, fS = 48 kHz, SCKI = 256 fS, 24-bit data, unless
otherwise noted
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AFE MULTIPLEXER
Input channel
2
CH
Input range for full scale
VINL, VINR
0.1
1
1.5
Vrms
Input Impedance
VINL, VINR
22
143
k
Antialiasing filter frequency response
–3 dB, PGA gain = 0 dB
300
kHz
Input center voltage (VREF1)
0.5 VCC1
V
AFE PGA
Gain range
–4
0
20
dB
Gain step
1
dB
Monotonicity
Ensured
ADC CHARACTERISTICS
Resolution
24
Bits
Full-scale input voltage
VINL, VINR at PGA gain = 0 dB
0.6 VCC1
Vp-p
DC Accuracy
Gain mismatch, channe-to-channel
Full scale input, VINL, VINR
±1
±2 % of FSR
Gain error
Full scale input, VINL, VINR
±2
±4 % of FSR
Bipolar-zero error
HPF bypass, VINL, VINR
±2
% of FSR
Dynamic Performance (7)
fS = 48 kHz, VIN = –0.5 dB
–94
–88
fS = 96 kHz, VIN = –0.5 dB
–89
THD+N
Total harmonic distortion + noise
dB
fS = 48 kHz, VIN = –60 dB
–38
fS = 96 kHz, VIN = –60 dB
–38
fS = 48 kHz, A-weighted
95
101
Dynamic range
dB
fS = 96 kHz, A-weighted
101
fS = 48 kHz, A-weighted
95
101
S/N
Signal-to-noise ratio
dB
fS = 96 kHz, A-weighted
101
fS = 48 kHz
92
98
Channel separation
dB
(between L-ch and R-ch of line-in)
fS = 96 kHz
99
fS = 48 kHz
92
98
Channel separation
dB
(between microphone and line-in)
fS = 96 kHz
99
Digital Filter Performance
Pass band
±0.05 dB
0.454 fS
Hz
Stop band
0.583 fS
Hz
Pass-band ripple
±0.05
dB
Stop-band attenuation
0.583 fS
–65
dB
Delay time
17.4/fS
s
HPF frequency response
–3 dB
0.019 fS
MHz
DAC CHARACTERISTICS
Resolution
24
Bits
DC Accuracy
Gain mismatch, channel-to-channel
±1
±2 % of FSR
Gain error
±2
±6 % of FSR
Bipolar zero error
±1
% of FSR
(7)
fIN = 1 kHz, using System Two audio measurement system by Audio Precision in the RMS mode with 20-kHz LPF and 400-Hz HPF
in the calculation, at PGA gain = 0 dB, for VINL and VINR.
4
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