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参数资料
| 型号： | TLC3578IPWG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24 |
| 封装： | GREEN, PLASTIC, TSSOP-24 |
| 文件页数： | 3/49页 |
| 文件大小： | 1137K |
| 代理商： | TLC3578IPWG4 |
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TLC3574, TLC3578, TLC2574, TLC2578
5V ANALOG, 3/5V DIGITAL, 14/12BIT, 200KSPS, 4/8CHANNEL
SERIAL ANALOGTODIGITAL CONVERTERS WITH ±10V INPUTS
SLAS262C OCTOBER 2000 REVISED MAY 2003
11
WWW.TI.COM
TLC2574/78 DW and PW package devices AC/DC performance
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DC Accuracy
EL
Integral linearity error
See Note 6
1
±0.5
1
LSB
ED
Differential linearity error
1
±0.5
1
LSB
EO
Bipolar zero error
See Note 7
0.30
±0.08
0.36
%FS
EFS(+)
Positive full scale error
See Note 7
0.55
±0.04
0.61
%FS
EFS()
Negative full scale error
See Note 7
0.30
±0.13
0.79
%FS
AC Accuracy
SINAD
Signal-to-noise ratio + distortion
fi = 20 kHz
70
72
dB
SINAD
Signal-to-noise ratio + distortion
fi = 100 kHz
70
dB
THD
Total harmonic distortion
fi = 20 kHz
82
76
dB
THD
Total harmonic distortion
fi = 100 kHz
80
dB
SNR
Signal-to-noise ratio
fi= 20 kHz
71
72
dB
SNR
Signal-to-noise ratio
fi = 100 kHz
71
dB
ENOB
Effective number of bits
fi = 20 kHz
11.3
11.7
Bits
ENOB
Effective number of bits
fi = 100 kHz
11.3
Bits
SFDR
Spurious free dynamic range
fi = 20 kHz
78
83
dB
SFDR
Spurious free dynamic range
fi = 100 kHz
80
dB
Analog input bandwidth
Full power bandwidth, 3 dB
1
MHz
Analog input bandwidth
Full power bandwidth, 1 dB
700
kHz
Channel-to-channel Isolation
Fixed channel in conversion mode 00, fi = 35 kHz,
See Note 8
81
dB
All typical values are at TA = 25°C.
NOTES:
6. Linear error is the maximum deviation from the best fit straight line through the A/D transfer characteristics.
7. Bipolar zero error is the difference between 100000000000 and the converted output for zero input voltage; positive full-scale error
is the difference between 111111111111 and the converted output for positive full-scale input voltage (10 V); negative full-scale error
is the difference between 000000000000 and the converted output for negative full-scale input voltage (10 V).
8. It is measured by applying a full-scale of 35 kHz signal to other channels and determining how much the signal is attenuated in the
channel of interest. The converter samples this examined channel continuously. The channel-to-channel isolation is degraded if the
converter samples different channels alternately.
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