参数资料
型号: TAS3004PFB
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封装: GREEN, PLASTIC, TQFP-48
文件页数: 54/84页
文件大小: 671K
代理商: TAS3004PFB
8–3
0.002
–0.002
Amplitude
dB
0.004
0.006
0.008
0
f – Frequency – Hz
0.1 fs
0.2 fs
0.3 fs
0.4 fs
0.5 fs
Figure 8–3. ADC Digital Filter Passband Characteristics
–0.4
–1
Amplitude
dB
–0.2
0
0.2
–0.6
–0.8
0
f – Frequency – Hz
1 fs
2 fs
3 fs
4 fs
Figure 8–4. ADC High Pass Filter Characteristics
8.5
Analog-to-Digital Converter
TA = 25°C, AVDD = 3.3 V, DVDD = 3.3 V, fS = 48 kHz, 20-bit I2S mode
All terms characterized by frequency are scaled with the chosen sampling frequency, fS.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SNR (EIAJ)
A weighted
93
dB
Dynamic range
–60 dB, 1 kHz
88
dB
Signal to (noise + distortion) ratio
–1 dB, 1 kHz, 20 Hz to 20 kHz
82
dB
Power supply rejection ratio
1 kHz (see Note 3)
50
dB
Idle channel tone rejection
+110
dB
Intermodulation distortion
–80
dB
ADC crosstalk
93
dB
Overall ADC frequency response
20 Hz to 20 kHz
±0.1
dB
Gain error
5%
Gain matching
±0.02
dB
NOTE 3: Measured with a 50-mV peak sine curve.
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