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參數(shù)資料
| 型號： | AD7734BRU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 4-Channel, +-10 V Input Range, High Throughput, 24-Bit sigma ∆ ADC |
| 中文描述： | 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO28 |
| 封裝： | MO-153AE, TSSOP-28 |
| 文件頁數(shù)： | 3/32頁 |
| 文件大?。?/td> | 1542K |
| 代理商： | AD7734BRU |
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AD7734
AD7734—SPECIFICATIONS
Table 1. (–40°C to +105°C; AV
DD
= 5 V ± 5%; DV
DD
= 2.7 V to 3.6 V, or 5 V ± 5%; BIAS0 to BIAS3, BIASHI, REFIN(+) = 2.5 V;
BIASLO, REFIN(–) = AGND; AIN Range = ±10 V; f
MCLKIN
= 6.144 MHz; unless otherwise noted.)
Parameter
Min
Typ
ADC PERFORMANCE
CHOPPING ENABLED
Conversion Time Rate
372
No Missing Codes
1, 2
24
Output Noise
See
Rev. 0 | Page 3 of 32
Max
Unit
Test Conditions/Comments
12190
Hz
Bits
Configure via Conv. Time Register
FW ≥ 6 (Conversion Time ≥ 165 μs)
Table 4
See Table 5
and Table 6
±0.0010
±0.0025
±0.0050
±4
100
Resolution
Integral Nonlinearity (INL)
1, 2
Integral Nonlinearity (INL)
2
Offset Error (Unipolar, Bipolar)
3
Offset Drift vs. Temperature
1
Gain Error
3
Gain Drift vs. Temperature
1
Positive Full-Scale Error
3
Positive Full-Scale Drift vs. Temp.
1
Bipolar Negative Full-Scale Error
4
Power Supply Sensitivity
Channel-to-Channel Isolation
ADC PERFORMANCE
CHOPPING DISABLED
Conversion Time Rate
No Missing Codes
1, 2
Output Noise
±0.0030
±0.0045
±10
±2.5
±0.35
±3.2
±0.5
±3
±10
% of FSR
% of FSR
mV
μV/°C
%
ppm of FS/°C
% of FSR
ppm of FS/°C
% of FSR
LSB
16
dB
f
MCLKIN
= 2.5 MHz
f
MCLKIN
= 6.144 MHz
Before Calibration
Before Calibration
Before Calibration
After Calibration
At DC, AIN = 7 V, AV
DD
= 5 V ± 5%
At DC, Maximum ±16.5 V AIN Voltage
737
24
15437
Hz
Bits
Configure via Conv. Time Register
FW ≥ 8 (Conversion Time ≥ 117 μs)
See
Table 7
See Table 8
and Table 9
±0.0025
±15
±25
±0.1
±5.3
±0.2
±4
±0.0050
±4
100
±
10
0 to +10
±
5
0 to +5
0
2.5
124
108.5
Resolution
Integral Nonlinearity (INL)
2
Offset Error (Unipolar, Bipolar)
5
Offset Drift vs. Temperature
Gain Error
3
Gain Drift vs. Temperature
Positive Full-Scale Error
3
Positive Full-Scale Drift vs. Temp.
Bipolar Negative Full-Scale Error
4
Power Supply Sensitivity
Channel-to-Channel Isolation
ANALOG INPUTS
Analog Input Voltage
1, 6, 7
±10 V Range
0 V to +10 V Range
±5 V Range
0 V to +5 V Range
BIASLO Voltage
BIAS0 to 3, BIASHI Voltage
AIN Impedance
1, 8
AIN Pin, BIASLO Pin Impedance
1, 8
100
87.5
% of FSR
mV
μV/°C
%
ppm of FS/°C
% of FSR
ppm of FS/°C
% of FSR
LSB
16
dB
V
V
V
V
V
V
k
k
Before Calibration
Before Calibration
Before Calibration
After Calibration
At DC, AIN = 7 V, AV
DD
= 5 V ± 5%
At DC, Maximum ±16.5 V AIN Voltage
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