参数资料
型号: AD826
厂商: Electronic Theatre Controls, Inc.
英文描述: Mini size of Discrete semiconductor elements
中文描述: 迷你型离散半导体元件
文件页数: 12/14页
文件大小: 231K
代理商: AD826
REV. B
AD826
–12–
SINGLE-ENDED TO DIFFERENTIAL LINE DRIVER
Outstanding CMRR (> 80 dB @ 5 MHz), high bandwidth, wide
supply voltage range, and the ability to drive heavy loads, make
the AD826 an ideal choice for many line driving applications.
In this application, the AD830 high speed video difference
amp serves as the differential line receiver on the end of a back
terminated, 50 ft., twisted-pair transmission line (see Figure 40).
The overall system is configured in a gain of +1 and has a
3 dB
bandwidth of 14 MHz. Figure 39 is the pulse response with a
2 V p-p, 1 MHz signal input.
10
90
100
0%
2V
200ns
2V
Figure 39. Pulse Response
15V
1/2
AD826
0.01 F
2.2 F
1/2
AD826
36
1.05k
5pF
BNC
I
N
15V
AD830
V
OUT
50 FEET TWISTED PAIR
Z = 72
36
0.1 F
1.05k
5pF
1.05k
1.05k
0.1 F
0.01 F
2.2 F
36
36
15V
0.01 F
0.1 F
15V
0.1 F
0.01 F
Figure 40. Differential Line Driver
LOW DISTORTION LINE DRIVER
The AD826 can quickly be turned into a powerful, low distor-
tion line driver (see Figure 41). In this arrangement the AD826
can comfortably drive a 75
back-terminated cable, with a
5 MHz, 2 V p-p input; all of this while achieving the harmonic
distortion performance outlined in the following table.
Configuration
2nd Harmonic
1. No Load
2. 150
R
L
Only
3. 150
R
L
7.5
R
C
78.5 dBm
63.8 dBm
70.4 dBm
In this application one half of the AD826 operates at a gain of
2.1 and supplies the current to the load, while the other pro-
vides the overall system gain of 2. This is important for two
reasons: the first is to keep the bandwidth of both amplifiers the
same, and the second is to preserve the AD826
s ability to oper-
ate from low supply voltages. R
C
varies with the load and must
be chosen to satisfy the following equation:
R
C
= MR
L
where
M
is defined by [(M+ 1) G
S
= G
D
] and G
D
= Driver
s Gain,
G
S
= System Gain.
1.1k
1k
1k
R
L
1/2
AD826
1/2
AD826
R
C
7.5
1k
75
75
75
V
S
1 F
0.1 F
0.1 F
1 F
Figure 41. Low Distortion Amplifier
相关PDF资料
PDF描述
AD826AN High-Speed, Low-Power Dual Operational Amplifier
AD826AR High-Speed, Low-Power Dual Operational Amplifier
AD826AR-REEL High-Speed, Low-Power Dual Operational Amplifier
AD826AR-REEL7 High-Speed, Low-Power Dual Operational Amplifier
AD827JR-REEL High Speed, Low Power Dual Op Amp
相关代理商/技术参数
参数描述
AD8260 制造商:AD 制造商全称:Analog Devices 功能描述:High Current Driver Amplifier and Digital VGA/Preamplifier with 3 dB Steps
AD8260ACPZ-R7 功能描述:IC AMP VGA DIFF LN 310MA 32LFCSP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:J-FET 电路数:2 输出类型:- 转换速率:13 V/µs 增益带宽积:3MHz -3db带宽:- 电流 - 输入偏压:65pA 电压 - 输入偏移:3000µV 电流 - 电源:1.4mA 电流 - 输出 / 通道:- 电压 - 电源,单路/双路(±):7 V ~ 36 V,±3.5 V ~ 18 V 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:8-DIP(0.300",7.62mm) 供应商设备封装:8-PDIP 包装:管件
AD8260ACPZ-RL 功能描述:IC AMP VGA DIFF LN 310MA 32LFCSP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:J-FET 电路数:2 输出类型:- 转换速率:13 V/µs 增益带宽积:3MHz -3db带宽:- 电流 - 输入偏压:65pA 电压 - 输入偏移:3000µV 电流 - 电源:1.4mA 电流 - 输出 / 通道:- 电压 - 电源,单路/双路(±):7 V ~ 36 V,±3.5 V ~ 18 V 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:8-DIP(0.300",7.62mm) 供应商设备封装:8-PDIP 包装:管件
AD8260ACPZ-WP 功能描述:IC AMP VGA DIFF LN 310MA 32LFCSP RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:Excalibur™ 放大器类型:J-FET 电路数:1 输出类型:- 转换速率:45 V/µs 增益带宽积:10MHz -3db带宽:- 电流 - 输入偏压:20pA 电压 - 输入偏移:490µV 电流 - 电源:1.7mA 电流 - 输出 / 通道:48mA 电压 - 电源,单路/双路(±):4.5 V ~ 38 V,±2.25 V ~ 19 V 工作温度:-40°C ~ 85°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-SOIC 包装:带卷 (TR)
AD8260-EVALZ 功能描述:BOARD EVAL FOR AD8260 RoHS:是 类别:编程器,开发系统 >> 评估板 - 运算放大器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:-