参数资料
| 型号： | AD628ARZ-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 13/21页 |
| 文件大小： | 0K |
| 描述： | IC AMP PGA DIFF PREC 8SOIC |
| 标准包装： | 2,500 |
| 放大器类型： | 电流检测 |
| 电路数： | 1 |
| 转换速率： | 0.3 V/µs |
| -3db带宽： | 600kHz |
| 电流 - 输入偏压： | 1.5nA |
| 电压 - 输入偏移： | 150µV |
| 电流 - 电源： | 1.6mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 36 V，±2.25 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
AD628
Rev. G | Page 19 of 20
FILTER CAPACITOR VALUES
Connect a capacitor to Pin 4 (CFILT) to implement a low-pass
filter. The capacitor value is
C = 15.9/ft (μF)
where ft is the desired 3 dB filter frequency.
Table 7 shows several frequencies and their closest standard
capacitor values.
Table 7. Capacitor Values for Various Filter Frequencies
Frequency (Hz)
Capacitor Value (μF)
10
1.5
50
0.33
60
0.27
100
0.15
400
0.039
1 k
0.015
5 k
0.0033
10 k
0.0015
KELVIN CONNECTION
In certain applications, it may be desirable to connect the
inverting input of an amplifier to a remote reference point.
This eliminates errors resulting in circuit losses in inter-
connecting wiring. The AD628 is particularly suited for this
type of connection. In Figure 35, a 10 kΩ resistor added in the
feedback matches the source impedance of A2. This is
described in more detail in the Gain Adjustment section.
+IN
–IN
A2
+VS
–IN
+IN
VREF
OUT
CIRCUIT
LOSS
LOAD
+IN
–IN
G = +0.1
A1
AD628
–VS
10k
100k
VS/2
CFILT
RG
10k
02
99
2-
0
33
Figure 35. Kelvin Connection
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相关代理商/技术参数 |
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| AD628-EVAL | 制造商:Analog Devices 功能描述:Evaluation Board For High Voltage Current Shunt Sensing |
| AD629 | 制造商:AD 制造商全称:Analog Devices 功能描述:Dual-Channel Audio Difference Amplifier |
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| AD629AN | 功能描述:IC AMP DIFF 25MA LDRIFT 8DIP RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:1 输出类型:满摆幅 转换速率:0.11 V/µs 增益带宽积:350kHz -3db带宽:- 电流 - 输入偏压:4nA 电压 - 输入偏移:20µV 电流 - 电源:260µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SO 包装:带卷 (TR) |
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