参数资料
型号: TLC3574IPWRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封装: PLASTIC, TSSOP-20
文件页数: 45/46页
文件大小: 1048K
代理商: TLC3574IPWRG4
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
8
WWW.TI.COM
TLC3574/78 DW and PW package device AC/DC performance (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AC Accuracy—Normal Short Sampling
SINAD
Signal-to-noise ratio + distortion
fi = 20 kHz
79
dB
SINAD
Signal-to-noise ratio + distortion
fi = 100 kHz
75
dB
THD
Total harmonic distortion
fi = 20 kHz
82
dB
THD
Total harmonic distortion
fi = 100 kHz
78
dB
SNR
Signal-to-noise ratio
fi = 20 kHz
80
dB
SNR
Signal-to-noise ratio
fi = 100 kHz
78
dB
ENOB
Effective number of bits
fi = 20 kHz
12.8
Bits
ENOB
Effective number of bits
fi = 100 kHz
12.2
Bits
SFDR
Spurious free dynamic range
fi = 20 kHz
84
dB
SFDR
Spurious free dynamic range
fi = 100 kHz
79
dB
Channel-to-channel isolation
Fixed channel in conversion mode 00, fi= 35 kHz,
See Notes 2 and 5
81
dB
Analog input bandwidth
Full power bandwidth, 3 dB
1
MHz
Analog input bandwidth
Full power bandwidth, 1 dB
700
kHz
All typical values are at TA = 25°C.
NOTES:
2. This is for a fixed channel in conversion mode 00 or 01. When switching the channels, additional multiplexer setting time is required
to overcome the memory effect of the charge redistribution DAC.
5. 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.
相关PDF资料
PDF描述
TLC2574IPW 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLC2574IDWG4 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLC2578IDW 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
TLC3574IPW 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLC3578IPW 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
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