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AD743JRZ-16 PDF预览

AD743JRZ-16

更新时间： 2024-01-15 03:39:40
品牌 Logo 应用领域
罗彻斯特 - ROCHESTER 放大器PC光电二极管
页数 文件大小 规格书
13页 969K
描述
OP-AMP, 1500 uV OFFSET-MAX, 4.5 MHz BAND WIDTH, PDSO16, SOIC-16

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AD743JRZ-16 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SOIC
包装说明：SOP, SOP16,.3针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.17
放大器类型：OPERATIONAL AMPLIFIER架构：VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB)：0.0006 µA25C 时的最大偏置电流 (IIB)：0.0004 µA
最小共模抑制比：78 dB标称共模抑制比：95 dB
频率补偿：YES最大输入失调电流 (IIO)：0.0064 µA
最大输入失调电压：1500 µVJESD-30 代码：R-PDSO-G16
JESD-609代码：e3长度：10.3 mm
低-偏置：YES低-失调：NO
湿度敏感等级：1负供电电压上限：-18 V
标称负供电电压 (Vsup)：-15 V功能数量：1
端子数量：16最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP16,.3
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
包装方法：TAPE AND REEL峰值回流温度（摄氏度）：260
电源：+-15 V认证状态：Not Qualified
座面最大高度：2.65 mm标称压摆率：2.8 V/us
子类别：Operational Amplifier最大压摆率：10 mA
供电电压上限：18 V标称供电电压 (Vsup)：15 V
表面贴装：YES技术：BIPOLAR
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
标称均一增益带宽：4500 kHz最小电压增益：800000
宽度：7.5 mmBase Number Matches：1

AD743JRZ-16 数据手册

 浏览型号AD743JRZ-16的Datasheet PDF文件第7页浏览型号AD743JRZ-16的Datasheet PDF文件第8页浏览型号AD743JRZ-16的Datasheet PDF文件第9页浏览型号AD743JRZ-16的Datasheet PDF文件第10页浏览型号AD743JRZ-16的Datasheet PDF文件第12页浏览型号AD743JRZ-16的Datasheet PDF文件第13页 
AD743  
C1  
1250pF  
AN INPUT IMPEDANCE COMPENSATED, SALLEN-KEY  
FILTER  
The simple high-pass filter of Figure 13 has an important source  
of error which is often overlooked. Even 5 pF of input capacitance  
in amplifier A will contribute an additional 1% of pass-band ampli-  
tude error, as well as distortion, proportional to the C/V characteristics  
of the input junction capacitance. The addition of the network  
designated Z will balance the source impedance—as seen by  
A—and thus eliminate these errors.  
R1  
110M⍀  
(5 
؋
 22M⍀)  
R2  
9k⍀  
R3  
C2  
2.2␮F  
1k⍀  
R4  
18M⍀  
AD711  
+V  
R5  
18M⍀  
Z
S
500k⍀  
C3  
2.2␮F  
A
1000pF 1000pF  
500k⍀  
–V  
S
OUTPUT  
0.8mV/pC  
1000pF  
1000pF  
AD743  
500k⍀  
B AND K MODEL  
4370 OR  
EQUIVALENT  
Z
500k⍀  
Figure 14b. Accelerometer Circuit Using a DC  
Servo Amplifier  
Figure 13. Input Impedance Compensated  
Sallen-Key Filter  
A dc servo loop (Figure 14b) can be used to assure a dc output  
which is <10 mV, without the need for a large compensating  
resistor when dealing with bias currents as large as 100 nA. For  
optimal low frequency performance, the time constant of the  
servo loop (R4C2 = R5C3) should be  
TWO HIGH PERFORMANCE ACCELEROMETER  
AMPLIFIERS  
Two of the most popular charge-out transducers are hydrophones  
and accelerometers. Precision accelerometers are typically cali-  
brated for a charge output (pC/g).* Figures 14a and 14b show  
two ways in which to configure the AD743 as a low noise charge  
amplifier for use with a wide variety of piezoelectric accelerom-  
eters. The input sensitivity of these circuits will be determined  
by the value of capacitor C1 and is equal to  
R2  
R3  
Time Constant ≥ 10 R1 1+  
C1  
LOW NOISE HYDROPHONE AMPLIFIER  
Hydrophones are usually calibrated in the voltage out mode.  
The circuits of Figures 15a and 15b can be used to amplify the  
output of a typical hydrophone. Figure 15a shows a typical  
dc-coupled circuit. The optional resistor and capacitor serve  
to counteract the dc offset caused by bias currents flowing through  
resistor R1. Figure 15b, a variation of the original circuit, has a  
low frequency cutoff determined by an RC time constant equal to  
∆QOUT  
C1  
∆VOUT  
=
The ratio of capacitor C1 to the internal capacitance (CT) of the  
transducer determines the noise gain of this circuit (1 + CT/C1).  
The amplifier’s voltage noise will appear at its output amplified  
by this amount. The low frequency bandwidth of these circuits  
will be dependent on the value of resistor R1. If a T network is  
used, the effective value is R1(1 + R2/R3).  
1
Time Constant =  
2 π ×CC ×100 Ω  
C1  
1250pF  
R3  
R2  
100⍀  
1900⍀  
R1  
110M⍀  
(5 
؋
 22M⍀)  
R2  
9k⍀  
C1*  
R4*  
R3  
1k⍀  
8
10 ⍀  
AD743  
OUTPUT  
B AND K TYPE 8100  
HYDROPHONE  
OUTPUT  
0.8mV/pC*  
AD743  
R1  
10 ⍀  
C
T
B AND K MODEL  
4370 OR  
8
EQUIVALENT  
INPUT SENSITIVITY = –179 dB re. 1V/␮Pa**  
*pC = PICOCOULOMBS  
g = EARTH’S GRAVITATIONAL CONSTANT  
*OPTIONAL, SEE TEXT  
**1V PER MICROPASCAL  
Figure 14a. Basic Accelerometer Circuit  
Figure 15a. Basic Hydrophone Amplifier  
–10–  
REV. E  
1...8910111213

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