参数资料
型号: ADA4075-2ARZ-R7
厂商: Analog Devices Inc
文件页数: 11/24页
文件大小: 0K
描述: IC OPAMP GP 6.5MHZ DUAL LN 8SOIC
标准包装: 1,000
系列: iPolar®
放大器类型: 通用
电路数: 2
转换速率: 12 V/µs
增益带宽积: 6.5MHz
电流 - 输入偏压: 30nA
电压 - 输入偏移: 200µV
电流 - 电源: 1.8mA
电流 - 输出 / 通道: 40mA
电压 - 电源,单路/双路(±): ±4.5 V ~ 18 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 带卷 (TR)
Data Sheet
ADA4075-2
Rev. C | Page 19 of 24
BALANCED LINE RECEIVER
Figure 68 depicts a unity-gain balanced line receiver capable of
a high degree of hum rejection. The CMRR is approximately
given by
)
(
2
log
20
3
2
4
1
3
2
4
3
4
1
10
R
+
Therefore, R1 to R4 should be close tolerance components to
obtain the best possible CMRR without adjustment. The presence
of A2 ensures that the impedances are symmetric at the two inputs
(unlike many other designs), and, as a bonus, A2 also provides
a complementary output. A3 raises the common-mode input
impedance from approximately 7.5 kΩ to approximately 70 kΩ,
reducing the degradation of CMRR due to mismatches in source
impedance.
Note that A3 is not in the signal path, and almost any op amp
works well here. Although it may seem as though the inverting
output should be noisier than the noninverting one, they are in
fact symmetric at about 111 dBV (20 kHz bandwidth).
Sometimes an overall gain of is desired to provide an extra
6 dB of differential input headroom. This can be attained by
reducing R3 and R4 to 5 kΩ and increasing R9 to 22 kΩ.
R5
5k
OUT–
OUT+
IN–
*A3 REDUCES THE DEGRADATION OF CMRR
(SEE THE BALANCED LINE RECEIVER SECTION FOR MORE DETAILS).
C1
22F
(NON-POLAR)
IN+
07642-
071
R4
10k
1/2
ADA4075-2
R3
10k
R6
5k
R1
5k
R2
5k
C2
50pF
R9
11k
A3*
R8
5.6k
R7
5.6k
1/2
A1
A2
ADA4075-2
C3
50pF
R10
11k
Figure 68. Balanced Line Receiver
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ADA4075-2ARZ-RL 功能描述:IC OPAMP GP 6.5MHZ DUAL LN 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:iPolar® 标准包装:160 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:10 V/µs 增益带宽积:9MHz -3db带宽:- 电流 - 输入偏压:1pA 电压 - 输入偏移:250µV 电流 - 电源:730µA 电流 - 输出 / 通道:28mA 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:16-SOIC(0.154",3.90mm 宽) 供应商设备封装:16-SOIC N 包装:管件
ADA4077-1ARMZ 功能描述:General Purpose Amplifier 1 Circuit 8-MSOP 制造商:analog devices inc. 系列:- 包装:管件 零件状态:有效 放大器类型:通用 电路数:1 输出类型:- 压摆率:1.2 V/μs 增益带宽积:3.6MHz -3db 带宽:- 电流 - 输入偏置:1nA 电压 - 输入失调:10μV 电流 - 电源:400μA 电流 - 输出/通道:22mA 电压 - 电源,单/双(±):±2.5 V ~ 15 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽) 供应商器件封装:8-MSOP 标准包装:50
ADA4077-1ARMZ-R7 功能描述:General Purpose Amplifier 1 Circuit 8-MSOP 制造商:analog devices inc. 系列:- 包装:带卷(TR) 零件状态:有效 放大器类型:通用 电路数:1 输出类型:- 压摆率:1.2 V/μs 增益带宽积:3.6MHz -3db 带宽:- 电流 - 输入偏置:1nA 电压 - 输入失调:10μV 电流 - 电源:400μA 电流 - 输出/通道:22mA 电压 - 电源,单/双(±):±2.5 V ~ 15 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽) 供应商器件封装:8-MSOP 标准包装:1,000
ADA4077-1ARMZ-RL 功能描述:General Purpose Amplifier 1 Circuit 8-MSOP 制造商:analog devices inc. 系列:- 包装:带卷(TR) 零件状态:在售 放大器类型:通用 电路数:1 输出类型:- 压摆率:1.2 V/μs 增益带宽积:3.6MHz -3db 带宽:- 电流 - 输入偏置:1nA 电压 - 输入失调:10μV 电流 - 电源:400μA 电流 - 输出/通道:22mA 电压 - 电源,单/双(±):±2.5 V ~ 15 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽) 供应商器件封装:8-MSOP 标准包装:3,000
ADA4077-1ARZ 功能描述:General Purpose Amplifier 1 Circuit 8-SOIC 制造商:analog devices inc. 系列:- 包装:管件 零件状态:有效 放大器类型:通用 电路数:1 输出类型:- 压摆率:1.2 V/μs 增益带宽积:3.6MHz -3db 带宽:- 电流 - 输入偏置:1nA 电压 - 输入失调:10μV 电流 - 电源:400μA 电流 - 输出/通道:22mA 电压 - 电源,单/双(±):±2.5 V ~ 15 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC(0.154",3.90mm 宽) 供应商器件封装:8-SOIC 标准包装:98