參數(shù)資料
型號： TLC320AD77CDBG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDSO28
封裝： GREEN, PLASTIC, SSOP-28
文件頁數(shù)： 10/33頁
文件大?。?/td> 391K
代理商： TLC320AD77CDBG4
3–2
3.3.2
ADC Digital Filter, TA = 25°C, AVDD = DVDD = 3.3 V ± 10%, fs = 44.1 kHz
(see Notes 3 and 4)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ADC Decimation Filter (LPF)
Pass band
20
kHz
Pass band ripple
±0.01
dB
Stop band
24.1
kHz
Stop band attenuation
80
dB
Group delay
720
s
ADC High-Pass Filter (HPF)
Pass band (–3 dB)
0.87
Hz
Deviation from linear phase
20 Hz to 20 kHz
1.23
degree
NOTES:
3. All the terms characterized by frequency, scale with the chosen sampling frequency, fs.
4. See Figure 4–6 through Figure 4–9 for performance curves on the ADC digital filter.
3.3.3
Analog-to-Digital Converter, TA = 25°C, AVDD = DVDD = 3.3 V, fs = 44.1 kHz
(see Note 3)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SNR
Signal-to-noise ratio (EIAJ)
A-weighted
100
dB
Dynamic range
A-weighted, –60 dB, 1 kHz
100
dB
Signal-to-noise + distortion ratio
20 Hz to 20 kHz
86
dB
Power supply rejection ratio
1 kHz,
See Note 5
50
dB
Idle channel tone rejection
120
dB
Intermodulation distortion
–80
dB
ADC crosstalk
100
dB
Overall ADC frequency response
20 Hz to 20 kHz
–0.1
0.1
dB
Gain error
5%
Gain matching
±0.02
dB
Full-scale differential input voltage
3.6
Vpp
CMRR
Common mode rejection ratio
100
dB
NOTES:
3. All the terms characterized by frequency, scale with the chosen sampling frequency, fs.
5. Measured with a 50 mV peak sine wave.
3.3.4
DAC Interpolation Filter, TA = 25°C, AVDD = DVDD = 3.3 V + 10%, fs = 44.1 kHz
(see Notes 3 and 6)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Pass band
0
20
kHz
Pass band ripple
±0.005
dB
Stop band
24.1
kHz
Stop band attenuation
28.8 kHz to 3 MHz
75
dB
Group delay
700
s
NOTES:
3. All the terms characterized by frequency, scale with the chosen sampling frequency, fs.
6. See Figure 4–4 and Figure 4–5 for performance curves of the DAC digital filter.
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