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| 型號(hào)： | AD627AR |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 8/25頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP INST R-R 25MA 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 98 |
| 放大器類型： | 儀表 |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 0.06 V/µs |
| -3db帶寬： | 80kHz |
| 電流 - 輸入偏壓： | 2nA |
| 電壓 - 輸入偏移： | 25µV |
| 電流 - 電源： | 60µA |
| 電流 - 輸出 / 通道： | 25mA |
| 電壓 - 電源，單路/雙路(±)： | 2.2 V ~ 36 V，±1.1 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： | 管件 |
Data Sheet
AD627
Rev. E | Page 15 of 24
USING THE AD627
BASIC CONNECTIONS
Figure 36 shows the basic connection circuit for the AD627.
The +VS and VS terminals connect to the power supply. The
supply can be either bipolar (VS = ±1.1 V to ±18 V) or single
supply (VS = 0 V, +VS = 2.2 V to 36 V). Capacitively decouple
the power supplies close to the power pins of the device. For
best results, use surface-mount 0.1 F ceramic chip capacitors.
The input voltage can be single-ended (tie either IN or +IN to
ground) or differential. The difference between the voltage on the
inverting and noninverting pins is amplified by the programmed
gain. The gain resistor programs the gain as described in the
Setting the Gain and Reference Terminal sections. Basic
connections are shown in Figure 36. The output signal appears
as the voltage difference between the output pin and the
externally applied voltage on the REF pin, as shown in Figure 37.
SETTING THE GAIN
precisely, by whatever impedance appears between Pin 1 and Pin 8.
The gain is set according to
Gain = 5 + (200 k/RG) or RG = 200 k/(Gain 5)
(2)
Therefore, the minimum achievable gain is 5 (for 200 k/
(Gain 5)). With an internal gain accuracy of between 0.05%
and 0.7%, depending on gain and grade, a 0.1% external gain
resistor is appropriate to prevent significant degradation of the
overall gain error. However, 0.1% resistors are not available in a
wide range of values and are quite expensive. Table 6 shows
recommended gain resistor values using 1% resistors. For all
gains, the size of the gain resistor is conservatively chosen as the
closest value from the standard resistor table that is higher than
the ideal value. This results in a gain that is always slightly less
than the desired gain, thereby preventing clipping of the signal
at the output due to resistor tolerance.
The internal resistors on the AD627 have a negative temperature
coefficient of 75 ppm/°C maximum for gains > 5. Using a
gain resistor that also has a negative temperature coefficient
of 75 ppm/°C or less tends to reduce the overall gain drift of
the circuit.
+IN
VOUT
VIN
–IN
REF (INPUT)
–1.1V TO –18V
+1.1V TO +18V
RG
+VS
–VS
RG
OUTPUT
REF
0.1F
+IN
VOUT
VIN
–IN
REF (INPUT)
GAIN = 5 + (200k/RG)
+2.2V TO +36V
RG
+VS
RG
OUTPUT
REF
0.1F
00782-
034
Figure 36. Basic Connections for Single and Dual Supplies
RG
EXTERNAL GAIN RESISTOR
REF
–IN
+IN
–VS
+VS
100k
25k
200k
2k
A1
0.1V
VA
A2
OUTPUT
–VS
100k
–IN
+IN
V+
V–
VDIFF
2
VDIFF
2
VCM
Q1
Q2
00782-
035
Figure 37. Amplifying Differential Signals with a Common-Mode Component
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| AD627AR-REEL | 功能描述:IC AMP INST R-R 25MA 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| AD627AR-REEL7 | 功能描述:IC AMP INST R-R 25MA 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| AD627ARZ | 功能描述:IC AMP INST R-R 25MA 8SOIC RoHS:是 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):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD627ARZ-R7 | 功能描述:IC AMP INST R-R 25MA 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| AD627ARZ-RL | 功能描述:IC AMP INST R-R 25MA 8SOIC RoHS:是 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):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:350 V/µs 增益帶寬積:180MHz -3db帶寬:320MHz 電流 - 輸入偏壓:12.5µA 電壓 - 輸入偏移:800µV 電流 - 電源:15mA 電流 - 輸出 / 通道:85mA 電壓 - 電源，單路/雙路(±):2.5 V ~ 12.6 V，±1.25 V ~ 6.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) |
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