參數(shù)資料
型號(hào)： PCM4222PFBRG4
英文描述： High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter
中文描述： 高性能，雙通道，24位，216kHz的采樣多位Δ-Σ模擬到數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 4/40頁(yè)
文件大小： 609K
代理商： PCM4222PFBRG4
www.ti.com
PCM4222
SBAS399A–OCTOBER 2006–REVISED MARCH 2007
ELECTRICAL CHARACTERISTICS: DIGITAL and DYNAMIC PERFORMANCE (continued)
All specifications are at T
A
= +25
°
C, VCC1 = VCC2 = +4.0V and VDD = +3.3V unless otherwise noted.
PCM4222
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PCM output, Quad Speed mode, f
S
= 192kHz
Total harmonic distortion + noise (THD+N)
BW = 22Hz to 80kHz
f = 997Hz, –1dB input
–106
dB
f = 997Hz, –20dB input
–91
dB
f = 997Hz, –60dB input
–52
dB
Dynamic range, no weighting
f = 997Hz, –60dB input
112
dB
Dynamic range, A-weighted
f = 997Hz, –60dB input
123
dB
Channel separation/interchannel isolation
f = 10kHz, –1dB input
135
dB
PCM output, Quad Speed mode, f
S
= 192kHz
Total harmonic distortion + noise (THD+N)
BW = 22Hz to 40kHz
f = 997Hz, –1dB input
–107
dB
f = 997Hz, –20dB input
–98
dB
f = 997Hz, –60dB input
–58
dB
Dynamic range, no weighting
f = 997Hz, –60dB input
118
dB
Dynamic range, A-weighted
f = 997Hz, –60dB input
123
dB
Channel separation/interchannel isolation
f = 10kHz, –1dB input
135
dB
DSD output: 64x mode, 2.8224MHz output rate
BW = 20Hz to 20kHz
Total harmonic distortion + noise (THD+N)
f = 997Hz, –1dB input
–108
dB
Dynamic range, no weighting
f = 997Hz, –60dB input
118
dB
Channel separation/interchannel isolation
f = 10kHz, –1dB input
135
dB
DSD output: 128x mode, 5.6448MHz output rate
BW = 20Hz to 20kHz
Total harmonic distortion + noise (THD+N)
f = 997Hz, –1dB input
–108
dB
Dynamic range, no weighting
f = 997Hz, –60dB input
121
dB
Channel separation/interchannel isolation
f = 10kHz, –1dB input
135
dB
Multi-bit modulator (MBM) output, 6.144MHz output
rate
BW = 20Hz to 20kHz
Total harmonic distortion + noise (THD+N)
f = 997Hz, –1dB input
–108
dB
Dynamic range, no weighting
f = 997Hz, –60dB input
122
dB
Dynamic range, A-weighted
f = 997Hz, –60dB input
124
dB
Channel separation/interchannel isolation
f = 10kHz, –1dB input
135
dB
Digital decimation filter characteristics: Classic
response
Passband
0.4535
×
f
S
±
0.00015
Hz
Passband ripple
dB
Stop band
0.5465
×
f
S
–100
Hz
Stop band attenuation
dB
Group delay
39/f
S
Seconds
Digital decimation filter characteristics: Low Group
Delay response
Passband
0.4167
×
f
S
±
0.001
Hz
Passband ripple
dB
Stop band
0.5833
×
f
S
–90
Hz
Stop band attenuation
dB
Group delay
21/f
S
Seconds
Digital high-pass filter characteristics
–3dB corner frequency
High-pass filter enabled
f
S
/48000
Hz
4
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