參數(shù)資料
型號(hào): AD8397ARZ-REEL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 4/16頁(yè)
文件大小: 0K
描述: IC OPAMP VF R-R DUAL LN 8SOIC
標(biāo)準(zhǔn)包裝: 2,500
放大器類型: 電壓反饋
電路數(shù): 2
輸出類型: 滿擺幅
轉(zhuǎn)換速率: 53 V/µs
-3db帶寬: 69MHz
電流 - 輸入偏壓: 200pA
電壓 - 輸入偏移: 1000µV
電流 - 電源: 11mA
電流 - 輸出 / 通道: 310mA
電壓 - 電源,單路/雙路(±): 3 V ~ 24 V,±1.5 V ~ 12 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)
AD8397
Rev. A | Page 12 of 16
CAPACITIVE LOAD DRIVE
When driving capacitive loads, many high speed operational
amplifiers exhibit peaking in their frequency response. In a
gain-of-two circuit, Figure 23 shows that the AD8397 can drive
capacitive loads up to 270 pF with only 3 dB of peaking. For
amplifiers with more limited capacitive load drive, a small series
resistor (RS) is generally used between the amplifier output and
the capacitive load in order to minimize peaking and ensure
device stability. Figure 24 shows that the use of a 2.2 Ω series
resistor can further extend the capacitive load drive of the AD8397
out to 470 pF, while keeping the frequency response peaking to
within 3 dB.
5
0
–5
–10
–15
–20
–25
–30
–35
–40
0.01
0.1
1
10
100
05069-
021
FREQUENCY (MHz)
GAIN
(
d
B)
220pF
100pF
270pF
150pF
Figure 23. Capacitive Load Peaking Without Series Resistor
5
0
–5
–10
–15
–20
–25
–30
–35
–40
0.01
0.1
1
10
100
05069-
030
FREQUENCY (MHz)
GAIN
(
d
B)
470pF
390pF
330pF
270pF
Figure 24. Capacitive Load Peaking with 2.2 Ω Series Resistor
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AD8397ARZ-REEL7 功能描述:IC OPAMP VF R-R DUAL LN 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:100 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:0.2 V/µs 增益帶寬積:- -3db帶寬:- 電流 - 輸入偏壓:100pA 電壓 - 輸入偏移:30µV 電流 - 電源:380µA 電流 - 輸出 / 通道:- 電壓 - 電源,單路/雙路(±):±2 V ~ 18 V 工作溫度:0°C ~ 70°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
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