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参数资料
| 型号： | AD706JRZ |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 运算放大器 |
| 英文描述： | Dual Picoampere Input Current Bipolar Op Amp |
| 中文描述： | DUAL OP-AMP, 150 uV OFFSET-MAX, 0.8 MHz BAND WIDTH, PDSO8 |
| 封装： | ROHS COMPLIANT, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 10/12页 |
| 文件大小： | 224K |
| 代理商： | AD706JRZ |
REV. E
AD706
–7–
10k
+
AD706
+
0.1F
8
4
VIN
VOUT
–
+VS
10k
CL
1/2
0.1 F
RL
2.5k
SQUARE
WAVE
INPUT
–VS
Figure 5a. Unity Gain Inverter Connection
Figure 5b. Unity Gain Inverter Large
Signal Pulse Response, CL = 1,000 pF
Figure 5c. Unity Gain Inverter Small
Signal Pulse Response, CL = 100 pF
Figure 5d. Unity Gain Inverter Small
Signal Pulse Response, CL = 1000 pF
Figure 6 shows an in-amp circuit that has the obvious advantage
of requiring only one AD706, rather than three op amps, with
subsequent savings in cost and power consumption. The transfer
function of this circuit (without RG) is
VV
V
R
OUT
IN1
IN2
=
+
() 1
4
3
for R1 = R4 and R2 = R3.
Input resistance is high, thus permitting the signal source to
have an unbalanced output impedance.
+VS
0.1 F
1k
+
–
A1
AD706
1/2
RP*
1k
49.9k
R2
R3
R4
VIN1
RG (OPTIONAL)
R1
49.9k
A2
+
–
0.1 F
AD706
1/2
OUTPUT
*OPTIONAL INPUT PROTECTION RESISTOR FOR GAINS GREATER
THAN 100 OR INPUT VOLTAGES EXCEEDING THE SUPPLY VOLTAGE.
VOUT = (VIN1 – VIN2) (1+
) + (
)
FOR R1 = R4, R2 = R3
R4
R3
2R4
RG
–VS
RP*
VIN2
3
2
8
1
5
6
7
4
Figure 6. Two Op Amp Instrumentation Amplifier
Furthermore, the circuit gain may be fine trimmed using an
optional trim resistor, RG. Like the three op amp circuit, CMR
increases with gain, once initial trimming is accomplished—but
CMR is still dependent upon the ratio matching of Resistors R1
through R4. Resistor values for this circuit, using the optional
gain resistor, RG, can be calculated using
R1
= R4 = 49.9 k
R2
= R3 =
49.9 k
0.9 G
1
RG
=
99.8 k
0.06 G
where G = The desired circuit gain.
Table I provides practical 1% resistance values. Note that
without resistor RG, R2 and R3 = 49.9 k
/G–1.
Table I. Operating Gains of Amplifiers A1 and A2 and
Practical 1% Resistor Values for the Circuit of Figure 6
Circuit Gain
Gain of A1
Gain of A2
R2, R3
R1, R4
1.10
11.00
1.10
499 k
49.9 k
1.33
4.01
1.33
150 k
49.9 k
1.50
3.00
1.50
100 k
49.9 k
2.00
49.9 k
49.9 k
10.1
1.11
10.10
5.49 k
49.9 k
101.0
1.01
101.0
499
49.9 k
1001
1.001
1001
49.9
49.9 k
For a much more comprehensive discussion of in-amp applica-
tions, refer to the Instrumentation Amplifier Applications Guide—
available free from Analog Devices, Inc.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD706JRZ | 制造商:Analog Devices 功能描述:OP AMP DUAL PICOAMPERE 0.15V/US 8SO |
| AD706JRZ-REEL | 功能描述:IC OPAMP GP DUAL PREC 15MA 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 放大器类型:通用 电路数:1 输出类型:满摆幅 转换速率:3 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:1pA 电压 - 输入偏移:70µV 电流 - 电源:2.5mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:Digi-Reel® 其它名称:MAX4475AUT#TG16DKR |
| AD706JRZ-REEL7 | 功能描述:IC OPAMP GP DUAL PREC 15MA 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 其它有关文件:Automotive Product Guide 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 放大器类型:通用 电路数:1 输出类型:满摆幅 转换速率:3 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:1pA 电压 - 输入偏移:70µV 电流 - 电源:2.5mA 电流 - 输出 / 通道:48mA 电压 - 电源，单路/双路(±):2.7 V ~ 5.5 V，±1.35 V ~ 2.75 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-6 包装:Digi-Reel® 其它名称:MAX4475AUT#TG16DKR |
| AD706KN | 制造商:Rochester Electronics LLC 功能描述:DC PRECISION DUAL OP AMP - Bulk |
| AD706TQ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage-Feedback Operational Amplifier |
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