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AD827JR

更新时间： 2024-02-27 19:04:40
品牌 Logo 应用领域
亚德诺 - ADI 运算放大器
页数 文件大小 规格书
8页 338K
描述
High Speed, Low Power Dual Op Amp

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AD827JR 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Active零件包装代码：DIP
包装说明：HERMETIC SEALED, CERAMIC, DIP-8针数：8
Reach Compliance Code：unknown风险等级：5.26
放大器类型：OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB)：9.5 µA
标称共模抑制比：95 dB最大输入失调电压：6000 µV
JESD-30 代码：R-CDIP-T8JESD-609代码：e0
湿度敏感等级：NOT APPLICABLE负供电电压上限：-18 V
标称负供电电压 (Vsup)：-15 V功能数量：2
端子数量：8最高工作温度：125 °C
最低工作温度：-55 °C封装主体材料：CERAMIC, METAL-SEALED COFIRED
封装代码：DIP封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT APPLICABLE
认证状态：COMMERCIAL座面最大高度：5.08 mm
标称压摆率：300 V/us子类别：Operational Amplifier
供电电压上限：18 V标称供电电压 (Vsup)：15 V
表面贴装：NO温度等级：MILITARY
端子面层：TIN LEAD端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT APPLICABLE标称均一增益带宽：50000 kHz
宽度：7.62 mmBase Number Matches：1

AD827JR 数据手册

 浏览型号AD827JR的Datasheet PDF文件第2页浏览型号AD827JR的Datasheet PDF文件第3页浏览型号AD827JR的Datasheet PDF文件第4页浏览型号AD827JR的Datasheet PDF文件第5页浏览型号AD827JR的Datasheet PDF文件第6页浏览型号AD827JR的Datasheet PDF文件第8页 
AD827  
VIDEO LINE DRIVER  
A HIGH SPEED 3 OP AMP INSTRUMENTATION  
The AD827 functions very well as a low cost, high speed line  
driver for either terminated or unterminated cables. Figure 23  
shows the AD827 driving a doubly terminated cable in a  
follower configuration.  
AMPLIFIER CIRCUIT  
The instrumentation amplifier circuit shown in Figure 24 can  
provide a range of gains. The chart of Table II details  
performance.  
+VS  
TRIM FOR BEST  
SETTLING TIME  
0.1µF  
2 – 8pF  
–V  
IN  
3
2
8
+
1
2kΩ  
1/2  
AD827  
–
+VS  
0.1µF  
1kΩ  
2kΩ  
2kΩ  
7
2
3
TRIM FOR  
–
6
RG  
OPTIMUM  
BANDWIDTH  
7 – 15 pF  
AD847  
VOUT  
2kΩ  
+
4
0.1µF  
3pF  
RL  
2kΩ  
1kΩ  
6
–
1/2  
7
–V  
S
AD827  
5
+V  
IN  
+
4
2000  
RG  
0.1µF  
CIRCUIT GAIN =  
+ 1  
–V  
NOTE: PINOUT SHOWN IS FOR MINIDIP PACKAGE  
S
Figure 23. A Video Line Driver  
The termination resistor, RT, (when equal to the cable’s  
characteristic impedance) minimizes reflections from the far end  
of the cable. While operating from ±5 V supplies, the AD827  
maintains a typical slew rate of 200 V/µs, which means it can  
drive a ±1 V, 30 MHz signal into a terminated cable.  
Figure 24. A High Bandwidth Three Op Amp  
Instrumentation Amplifier  
Table II. Performance Specifications for the  
Three Op Amp Instrumentation Amplifier  
Small Signal  
Bandwidth  
@ 1 V p-p Output  
Table I. Video Line Driver Performance Summary  
Over-  
Gain  
RG  
VIN  
*
VSUPPLY CC  
–3 dB BW shoot  
1
2
10  
100  
Open  
2 k  
226 Ω  
20 Ω  
16.1 MHz  
14.7 MHz  
4.9 MHz  
660 kHz  
0 dB or ±500 mV Step ±15  
0 dB or ±500 mV Step ±15  
0 dB or ±500 mV Step ±15  
0 dB or ±500 mV Step ±5  
0 dB or ±500 mV Step ±5  
0 dB or ±500 mV Step ±5  
20 pF 23 MHz  
15 pF 21 MHz  
0 pF 13 MHz  
20 pF 18 MHz  
15 pF 16 MHz  
0 pF  
4%  
0%  
0%  
2%  
0%  
0%  
A TWO-CHIP VOLTAGE-CONTROLLED AMPLIFIER  
(VCA) WITH EXPONENTIAL RESPONSE  
Voltage-controlled amplifiers are often used as building blocks  
in automatic gain control systems. Figure 25 shows a two-chip  
VCA built using the AD827 and the AD539, a dual, current-  
output multiplier. As configured, the circuit has its two  
11 MHz  
NOTE  
*–3 dB bandwidth numbers are for the 0 dBm signal input. Overshoot numbers  
are the percent overshoot of the 1 Volt step input.  
A back-termination resistor (RBT, also equal to the characteristic  
impedance of the cable) may be placed between the AD827  
output and the cable input, in order to damp any reflected  
signals caused by a mismatch between RT and the cable’s  
characteristic impedance. This will result in a flatter frequency  
response, although this requires that the op amp supply ±2 V to  
the output in order to achieve a ±1 V swing at resistor RT.  
INPUT RANGE:  
10MV TO 3V (55dB)  
+5V  
0.1µF  
AD539  
16  
15  
VX  
1
W1  
CONTROL  
2pF  
C3  
2
3
2
3
–
8
HF COMP  
Z1  
CH1  
OUT  
1/2  
V
AD827  
+
IN  
0.01µF  
CH 1  
IN  
14  
13  
1
*
+5V 4.7Ω  
4
+VS  
–VS  
BASE  
COM 12  
0.1µF  
5
–5V 4.7Ω  
5
6
+
COAX LINE  
*
OUTPUT  
1/2  
0.1µF  
7
CH2  
IN  
INPUT  
COM  
OUTPUT  
COM  
6
11  
10  
9
AD827  
–
CH2  
OUT  
50Ω  
4
2pF  
C4  
RT  
50Ω  
7
8
0.1µF  
Z2  
W2  
–5V  
*PINOUT SHOWN IS FOR MINI-DIP PACKAGE  
2
VX VIN  
8V2  
VOUT AT TERMINATION RESISTOR, RT  
=
2
VX VIN  
VOUT AT PIN & OF AD827 =  
4V2  
Figure 25. A Wide Range Voltage-Controlled  
Amplifier Circuit  
1...45678

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