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參數(shù)資料
| 型號(hào)： | AD628ARZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 13/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP PGA DIFF PREC 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 電流檢測(cè) |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 0.3 V/µs |
| -3db帶寬： | 600kHz |
| 電流 - 輸入偏壓： | 1.5nA |
| 電壓 - 輸入偏移： | 150µV |
| 電流 - 電源： | 1.6mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 36 V，±2.25 V ~ 18 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SO |
| 包裝： | 帶卷 (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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| AD629AN | 功能描述:IC AMP DIFF 25MA LDRIFT 8DIP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR) |
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