参数资料
| 型号： | AD524SD |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/28页 |
| 文件大小： | 0K |
| 描述： | IC AMP INST 1MHZ PREC LN 16CDIP |
| 标准包装： | 1 |
| 放大器类型： | 仪表 |
| 电路数： | 1 |
| 转换速率： | 5 V/µs |
| 增益带宽积： | 1MHz |
| -3db带宽： | 1MHz |
| 电流 - 输入偏压： | 50nA |
| 电压 - 输入偏移： | 100µV |
| 电流 - 电源： | 3.5mA |
| 电压 - 电源，单路/双路(±)： | ±6 V ~ 18 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 16-CDIP（0.300"，7.62mm） |
| 供应商设备封装： | 16-CDIP 侧面铜焊 |
| 包装： | 管件 |
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AD524
Rev. F | Page 21 of 28
WR
CS
+INPUT
G = 10
–INPUT
G = 100
G = 1000
AD7524
OUT2
39k
AD589
MSB
LSB
C1
GND
OUT1
AD524
+VS
RG1
RG2
+
–
+
–
+
–VS
VREF
+VS
R5
20k
R3
20k
R4
10k
–VS
R6
5k
1/2
AD712
1/2
AD712
DATA
INPUTS
–VS
2
8
7
10
6
9
16
13
12
11
3
1
7
6
5
4
1
8
2
3
13
12
11
4
15
14
16
1
2
0
050
0-
05
0
AD524C
G = 100
10k
+10V
350
14-BIT
ADC
0V TO 2V
F.S.
+VS
–VS
RG1
RG2
+
–
2
8
4
5
10
9
6
7
16
13
12
11
3
1
00
50
0
-0
52
Figure 52. Typical Bridge Application
ERROR BUDGET ANALYSIS
To illustrate how instrumentation amplifier specifications are
applied, review a typical case where an AD524 is required to
amplify the output of an unbalanced transducer. Figure 52
shows a differential transducer, unbalanced by 100 Ω, supplying
a 0 mV to 20 mV signal to an AD524C. The output of the IA
feeds a 14-bit ADC with a 0 V to 2 V input voltage range. The
operating temperature range is 25°C to +85°C. Therefore, the
largest change in temperature, ΔT, within the operating range is
from ambient to +85°C (85°C 25°C = 60°C).
Figure 50. Software Controllable Offset
In many applications, complex software algorithms for autozero
applications are not available. For those applications, Figure 51
provides a hardware solution.
AD524
14
15
16
13
GND
CH
1k
ZERO PULSE
AD7510KD
AD711
A1
A2
A3
A4
VDD
VSS
200s
910
11
12
–VS
VOUT
0.1F LOW
LEAKAGE
+VS
RG1
RG2
2
8
7
10
6
9
16
13
12
11
3
1
8
1
2
–
+
–
+
0050
0-
0
51
In many applications, differential linearity and resolution are of
prime importance in cases where the absolute value of a variable is
less important than changes in value. In these applications, only
the irreducible errors (45 ppm = 0.004%) are significant. Further-
more, if a system has an intelligent processor monitoring the
analog-to-digital output, the addition of an autogain/autozero
cycle removes all reducible errors and may eliminate the require-
ment for initial calibration. This also reduces errors to 0.004%.
Figure 51. Autozero Circuit
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD524SD/883B | 功能描述:仪表放大器 PRECISION LOW NOISE IN AM RoHS:否 制造商:Texas Instruments 通道数量: 输入补偿电压:150 V 可用增益调整: 最大输入电阻:10 kOhms 共模抑制比（最小值）:88 dB 工作电源电压:2.7 V to 36 V 电源电流:200 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:MSOP-8 封装:Bulk |
| AD524SD-AIRBUS | 制造商:Analog Devices 功能描述: |
| AD524SE | 制造商:AD 制造商全称:Analog Devices 功能描述:Precision Instrumentation Amplifier |
| AD524SE/883B | 功能描述:仪表放大器 PRECISION LOW NOISE IN AM RoHS:否 制造商:Texas Instruments 通道数量: 输入补偿电压:150 V 可用增益调整: 最大输入电阻:10 kOhms 共模抑制比（最小值）:88 dB 工作电源电压:2.7 V to 36 V 电源电流:200 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:MSOP-8 封装:Bulk |
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