參數(shù)資料
型號(hào)： TLC3544IDWRG4
廠商： Texas Instruments, Inc.
英文描述： 5-V ANALOG, 3-/5-V DIGITAL, 14-BIT, 200-KSPS, 4-/8-CHANNELS SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS
中文描述： 5 - V模擬，3-/5-V數(shù)字，14位，200 kSPS的，4-/8-CHANNELS串行模數(shù)位0-5五（擬微分）輸入變換器
文件頁(yè)數(shù)： 8/40頁(yè)
文件大?。?/td> 790K
代理商： TLC3544IDWRG4
TLC3544, TLC3548
5-V ANALOG, 3-/5-V DIGITAL, 14-BIT 200-KSPS, 4-/8-CHANNELS SERIAL
ANALOG-TO-DIGITAL CONVERTERS WITH 0-5 V (PSEUDODIFFERENTIAL) INPUTS
SLAS266C
–
OCTOBER 2000
–
REVISED MAY 2003
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
general electrical characteristics over recommended operating free-air temperature range,
single-ended input, normal long sampling, 200 KSPS, AV
DD
= 5 V, external reference (V
REFP
= 4V,
V
REFM
= 0 V) or internal reference, SCLK frequency = 25 MHz, fixed channel at CONV mode 00,
analog input signal source resistance = 25
(unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
DC Accuracy
—
Normal Short Sampling
EL
Integral linearity error
See Note 3
ED
Differential linearity error
EO
Zero offset error
See Note 4
E(g+)
Gain error
See Note 4
AC Accuracy
—
Normal Long Sampling
fi = 20 kHz
Signal-to-noise ratio + distortion
fi = 100 kHz
fi = 20 kHz
fi = 100 kHz
fi = 20 kHz
fi = 100 kHz
fi = 20 kHz
fi = 100 kHz
fi = 20 kHz
Signal-to-noise ratio
fi = 100 kHz
Channel-to-channel isolation (see
Notes 2 and 5)
Full power bandwidth,
–
1 dB
Full power bandwidth,
–
3 dB
AC Accuracy
—
Normal Short Sampling
fi = 20 kHz
Signal-to-noise ratio + distortion
fi = 100 kHz
fi = 20 kHz
fi = 100 kHz
fi = 20 kHz
Signal-to-noise ratio
fi = 100 kHz
fi = 20 kHz
fi = 100 kHz
fi = 20 kHz
fi = 100 kHz
Channel-to-channel isolation (see
Notes 2 and 5)
Full power bandwidth,
–
1 dB
Full power bandwidth,
–
3 dB
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 (refer to Figure 8).
3. Linear error is the maximum deviation from the best fit straight line through the A/D transfer characteristics.
4. Zero offset error is the difference between 0000000000000 and the converted output for zero input voltage; gain error is the
difference between 11111111111111 and the converted output for full-scale input voltage. The full-scale input voltage is equal to the
reference voltage being used.
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 (refer to Figure 8).
MIN
TYP
MAX
UNIT
±
0.8
±
0.6
±
0.6
LSB
LSB
LSB
LSB
–
3
0
3
5
12
SINAD
Signal to noise ratio + distortion
78.6
80.8
77.6
–
95
–
88
97
89
13.1
12.6
81
78
dB
THD
Total harmonic distortion
–
90
dB
SFDR
Spurious free dynamic range
90
dB
ENOB
Effective number of bits
12.8
Bits
SNR
Signal to noise ratio
79
dB
Fixed channel in conversion mode 00, fi = 35 kHz
100
dB
Analog input bandwidth
2
MHz
2.5
SINAD
Signal to noise ratio + distortion
78.9
77.6
–
95
–
88
79
78
12.8
12.6
97
89
dB
THD
Total harmonic distortion
dB
SNR
Signal to noise ratio
dB
ENOB
Effective number of bits
Bits
SFDR
Spurious free dynamic range
dB
Fixed channel in conversion mode 00, fi = 35 kHz
100
dB
Analog input bandwidth
2
MHz
2.5
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TLC3545 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:5-V. LOW POWER, 14-BIT, 200-KSPS SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO-POWER DOWN
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