参数资料
| 型号： | AD826AR |
| 厂商： | Analog Devices Inc |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF 50MHZ DUAL LP 8SOIC |
| 标准包装： | 98 |
| 放大器类型： | 电压反馈 |
| 电路数： | 2 |
| 转换速率： | 350 V/µs |
| 增益带宽积： | 50MHz |
| -3db带宽： | 50MHz |
| 电流 - 输入偏压： | 3.3µA |
| 电压 - 输入偏移： | 500µV |
| 电流 - 电源： | 6.6mA |
| 电流 - 输出 / 通道： | 50mA |
| 电压 - 电源，单路/双路(±)： | 5 V ~ 36 V，±2.5 V ~ 18 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： | 管件 |
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
IN
–15V
AD830
VOUT
50 FEET TWISTED PAIR
Z = 72
36
0.1 F
1.05k
5pF
1.05k
0.1 F
0.01 F
2.2 F
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
–78.5 dBm
2. 150
RL Only
–63.8 dBm
3. 150
R
L 7.5
R
C
–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. RC varies with the load and must
be chosen to satisfy the following equation:
RC = MRL
where M is defined by [(M+ 1) GS = GD] and GD = Driver’s Gain,
GS = System Gain.
1.1k
1k
RL
1/2
AD826
1/2
AD826
RC
7.5
1k
75
VS
1 F
0.1 F
1 F
Figure 41. Low Distortion Amplifier
REV. C
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| AD826ARZ | 功能描述:IC OPAMP VF 50MHZ DUAL LP 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:2,500 系列:- 放大器类型:通用 电路数:4 输出类型:- 转换速率:0.6 V/µs 增益带宽积:1MHz -3db带宽:- 电流 - 输入偏压:45nA 电压 - 输入偏移:2000µV 电流 - 电源:1.4mA 电流 - 输出 / 通道:40mA 电压 - 电源，单路/双路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:14-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:14-TSSOP 包装:带卷 (TR) 其它名称:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
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