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參數(shù)資料
| 型號(hào)： | AD711KRZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP BIFET PREC 25MA 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | J-FET |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 20 V/µs |
| -3db帶寬： | 4MHz |
| 電流 - 輸入偏壓： | 15pA |
| 電壓 - 輸入偏移： | 200µV |
| 電流 - 電源： | 2.5mA |
| 電流 - 輸出 / 通道： | 25mA |
| 電壓 - 電源，單路/雙路(±)： | 9 V ~ 36 V，±4.5 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-SOIC |
| 包裝： | 帶卷 (TR) |
REV. E
AD711
–9–
Figure 5a. Settling Characteristics 0 to +10 V Step
Upper Trace: Output of AD711 Under Test (5 V/Div)
Lower Trace: Amplified Error Voltage (0.01%/Div)
Figure 5b. Settling Characteristics 0 to –10 V Step
Upper Trace: Output of AD711 Under Test (5 V/Div)
Lower Trace: Amplified Error Voltage (0.01%/Div)
GUARDING
The low input bias current (15 pA) and low noise characteristics
of the AD711 BiFET op amp make it suitable for electrometer
applications such as photo diode preamplifiers and picoampere
5pF
AD3554
VERROR
5
+15V
5k
–15V
0.47 F
HP2835
TEXTRONIX 7A26
OSCILLOSCOPE
PREAMP
INPUT SELECTION
1M
20pF
0.1 F
AD711
+15V
–15V
0.1 F
VOUT
10pF
HP2835
10k
0.2-0.0pF
1.1k
10k
5-18pF
10k
200k
4.99k
VIN
DATA
DYNAMICS
5109
(OR
EQUIVALENT
FLAT TOP
PULSE
GENERATOR)
0.47 F
205
Figure 6. Settling Time Test Circuit
current-to-voltage converters. The use of a guarding technique
such as that shown in Figure 7, in printed circuit board layout
and construction is critical to minimize leakage currents. The
guard ring is connected to a low impedance potential at the
same level as the inputs. High impedance signal lines should
not be extended for any unnecessary length on the printed
circuit board.
1
8
7
6
5
4
3
2
6
5
7
8
2
3
1
4
Figure 7. Board Layout for Guarding Inputs
D/A CONVERTER APPLICATIONS
The AD711 is an excellent output amplifier for CMOS DACs.
It can be used to perform both 2-quadrant and 4-quadrant
operation. The output impedance of a DAC using an inverted
R-2R ladder approaches R for codes containing many 1s, 3R
for codes containing a single 1, and for codes containing all
zero, the output impedance is infinite.
For example, the output resistance of the AD7545 will modu-
late between 11 k
W and 33 kW. Therefore, with the DAC’s
internal feedback resistance of 11 k
W, the noise gain will vary
from 2 to 4/3. This changing noise gain modulates the effect of
the input offset voltage of the amplifier, resulting in nonlinear
DAC amplifier performance.
The AD711K with guaranteed 500
mV offset voltage minimizes
this effect to achieve 12-bit performance.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD711KRZ-REEL7 | 功能描述:IC OPAMP BIFET PREC 25MA 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 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:3 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:1pA 電壓 - 輸入偏移:70µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:Digi-Reel® 其它名稱:MAX4475AUT#TG16DKR |
| AD711SCHIPS | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision, Low Cost, High Speed, BiFET Op Amp |
| AD711SH | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision, Low Cost, High Speed, BiFET Op Amp |
| AD711SH/883B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Operational Amplifier |
| AD711SQ/833B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:OP-AMP|SINGLE|BIPOLAR/JFET|DIP|8PIN|CERAMIC |
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