参数资料
型号: AD812AR
厂商: Analog Devices Inc
文件页数: 8/16页
文件大小: 0K
描述: IC OPAMP DUAL CURR-FDBK 8-SOIC
标准包装: 98
应用: 电流反馈
电路数: 2
-3db带宽: 145MHz
转换速率: 1600 V/µs
电流 - 电源: 4.5mA
电流 - 输出 / 通道: 50mA
电压 - 电源,单路/双路(±): 2.4 V ~ 36 V,±1.2 V ~ 18 V
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
AD812
REV. B
–16–
Operation Using a Single Supply
The AD812 will operate with total supply voltages from 36 V
down to 2.4 V. With proper biasing (see Figure 53), it can be an
outstanding single supply video amplifier. Since the input and
output voltage ranges extend to within 1 volt of the supply rails,
it will handle a 1.3 V p-p signal on a single 3.3 V supply, or a
3 V p-p signal on a single 5 V supply. The small signal, 0.1 dB
bandwidths will exceed 10 MHz in either case, and the large
signal bandwidths will exceed 6 MHz.
The capacitively coupled cable driver in Figure 53 will achieve
outstanding differential gain and phase errors of 0.07% and 0.06
degrees respectively on a single 5 V supply. Resistor R2, in this
circuit, is selected to optimize the differential gain and phase by
operating the amplifier in its most linear region. To optimize the
circuit for a 3 V supply, a value of 8 k
is recommended for R2.
AD812
8
4
VIN
R2
11.8k
VOUT
75
+VS
R3
1k
75
CABLE
R1
9k
C1
2 F
C3
30 F
649
COUT
47 F
C2
1 F
Figure 53. Biasing for Single Supply Operation
8-Lead Plastic DIP
(N-8)
8
14
5
PIN 1
SEATING
PLANE
0.060 (1.52)
0.015 (0.38)
0.165
0.01
(4.19
0.25)
0.10
(2.54)
BSC
0.325 (8.25)
0.300 (7.62)
0.015 (0.381)
0.008 (0.204)
0.195 (4.95)
0.115 (2.93)
0.39 (9.91)
0.25
(6.35)
0.125 (3.18)
MIN
0.018
0.003
(0.46 +0.08)
0.033 (0.84)
NOM
8-Lead Plastic SOIC
(SO-8)
0.1968 (5.00)
0.1890 (4.80)
85
4
1
0.2440 (6.20)
0.2284 (5.80)
PIN 1
0.1574 (4.00)
0.1497 (3.80)
0.0688 (1.75)
0.0532 (1.35)
SEATING
PLANE
0.0098 (0.25)
0.0040 (0.10)
0.0192 (0.49)
0.0138 (0.35)
0.0500
(1.27)
BSC
0.0098 (0.25)
0.0075 (0.19)
0.0500 (1.27)
0.0160 (0.41)
8
0
0.0196 (0.50)
0.0099 (0.25)
45
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
PRINTED
IN
U.S.A.
C1859b–0–9/98
–0.5
–3.0
1
10
1000
100
–1.0
–1.5
–2.0
–2.5
0
0.5
–270
–180
–90
0
FREQUENCY – MHz
CLOSED-LOOP
GAIN
dB
PHASE
SHIFT
Degrees
–3.5
VS = 5V
90
GAIN
PHASE
Figure 54. Closed-Loop Gain and Phase vs. Frequency,
Circuit of Figure 53
10
90
100
0%
500mV
1V
50ns
VIN
VOUT
Figure 55. Pulse Response of the Circuit of Figure 53 with
VS = 5 V
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相关代理商/技术参数
参数描述
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AD812ARZ 功能描述:IC OPAMP DUAL CURR-FDBK 8-SOIC RoHS:是 类别:集成电路 (IC) >> 线性 - 放大器 - 视频放大器和频缓冲器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 应用:TFT-LCD 面板:VCOM 驱动器 输出类型:满摆幅 电路数:1 -3db带宽:35MHz 转换速率:40 V/µs 电流 - 电源:3.7mA 电流 - 输出 / 通道:1.3A 电压 - 电源,单路/双路(±):9 V ~ 20 V,±4.5 V ~ 10 V 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽)裸露焊盘 供应商设备封装:8-uMax-EP 包装:管件