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参数资料
| 型号： | AD8497CRMZ-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC THERMOCOUPLE A W/COMP 8MSOP |
| 标准包装： | 1,000 |
| 类型： | 热电偶放大器 |
| 输入类型： | 差分 |
| 输出类型： | 模拟 |
| 电流 - 电源： | 250µA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-MSOP |
| 包装： | 带卷 (TR) |
AD8494/AD8495/AD8496/AD8497
Rev. C | Page 3 of 16
SPECIFICATIONS
+VS = 5 V, VS = 0 V, V+IN = VIN = 0 V, VREF = 0 V, TA = TRJ = 25°C, RL = 100 kΩ, unless otherwise noted. Specifications do not include
gain and offset errors of the thermocouple itself. TA is the ambient temperature at the AD849x; TRJ is the thermocouple reference junction
temperature; TMJ is the thermocouple measurement junction temperature.
Table 2.
A Grade
C Grade
Parameter
Test Conditions/Comments
Min
Typ
Max
Min
Typ
Max
Unit
TEMPERATURE ACCURACY
Initial Accuracy
AD8494/AD8495
TA = TRJ = TMJ = 25°C
3
1
°C
AD8496/AD8497
TA = TRJ = 60°C, TMJ = 175°C
3
1.5
°C
Ambient Temperature
AD8494/AD8495
TA = TRJ = 0°C to 50°C
0.05
0.025
°C/°C
AD8496/AD8497
TA = TRJ = 25°C to 100°C
0.05
0.025
°C/°C
VOUT = 0.125 V to 4.125 V
AD8494/AD8495
0.3
0.1
%
AD8496/AD8497
0.3
0.1
%
Transfer Function
5
mV/°C
INPUTS
Input Voltage Range
VS – 0.2
+VS – 1.6
VS – 0.2
+VS – 1.6
V
Overvoltage Range
+VS – 25
VS + 25
+VS – 25
VS + 25
V
Input Bias Current4
25
50
25
50
nA
Input Offset Current
1.5
0.5
nA
Common-Mode Rejection
VCM = 0 V to 3 V
1
0.3
°C/V
Power Supply Rejection
+VS = 2.7 V to 5 V
0.5
°C/V
NOISE
Voltage Noise
f = 0.1 Hz to 10 Hz, TA = 25°C
0.8
μV p-p
Voltage Noise Density
f = 1 kHz, TA = 25°C
32
nV/√Hz
Current Noise Density
f = 1 kHz, TA = 25°C
100
fA/√Hz
REFERENCE INPUT
Input Resistance
60
kΩ
Input Current
25
μA
Voltage Range
VS
+VS
VS
+VS
V
Gain to Output
1
V/V
OUTPUT
Output Voltage Range
VS + 0.025
+VS – 0.1
VS + 0.025
+VS – 0.1
V
Short-Circuit Current5
7
mA
DYNAMIC RESPONSE
3 dB Bandwidth
AD8494
30
kHz
AD8495/AD8497
25
kHz
AD8496
31
kHz
Settling Time to 0.1%
4 V output step
AD8494
36
μs
AD8495/AD8497
40
μs
AD8496
32
μs
POWER SUPPLY
Operating Voltage Range6
Single Supply
2.7
36
2.7
36
V
Dual Supply
±2.7
±18
±2.7
±18
V
Quiescent Current
180
250
180
250
μA
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