AD8013AN

更新时间： 2024-02-09 13:11:05

品牌	Logo	应用领域
亚德诺 - ADI		视频放大器
页数	文件大小	规格书
12页	321K
描述
Single Supply, Low Power, Triple Video Amplifier

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数据手册

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AD8013AN 数据手册

AD8013

2:1 Video Multiplexer

The AD8013 can be used to build a circuit for switching between

any two arbitrary gains while maintaining a constant input

impedance. The example of Figure 41 shows a circuit for switching

between a noninverting gain of 1 and an inverting gain of 1. T he

total time for channel switching and output voltage settling is

about 80 ns.

Configuring two amplifiers as unity gain followers and using the

third to set the gain results in a high performance 2:1 mux

(Figures 39 and 40). T his circuit takes advantage of the very low

crosstalk between Channels 2 and 3 to achieve the OFF channel

isolation shown in Figure 40. T his circuit can achieve

differential gain and phase of 0.03% and 0.07° respectively.

698Ω 698Ω

+5V

2kΩ

100Ω

10Ω

DIS 1

DIS 3

15Ω

DISABLE

OUT

50Ω

10Ω

OUT

845Ω

–5V

845Ω

2kΩ

845Ω

DISABLE

845Ω

Figure 39. 2:1 Mux with High Isolation and Low

Differential Gain and Phase Errors

Figure 41. Circuit to Switch Between Gains of –1 and +1

200ns

500mV

GAIN

100

–1

–2

–30

–3

–4

–5

–40

–50

–60

–70

–80

FEEDTHROUGH

–6

–7

–8

Figure 42. Switching Characteristic for Circuit of Figure 41

10M

100M

FREQUENCY – Hz

Figure 40. 2:1 Mux ON Channel Gain and Mux OFF Channel

Feedthrough vs. Frequency

Gain Switching

O UTLINE D IMENSIO NS

Dimensions shown in inches and (mm).

14-Lead SO IC (R-14)

0.3444 (8.75)

14-Lead P lastic D IP (N-14)

0.795 (20.19)

0.3367 (8.55)

0.725 (18.42)

0.280 (7.11)

0.240 (6.10)

0.1574 (4.00)

0.1497 (3.80)

0.2440 (6.20)

0.2284 (5.80)

0.325 (8.25)

0.195 (4.95)

0.115 (2.93)

0.060 (1.52)

0.015 (0.38)

0.300 (7.62)

PIN 1

0.0688 (1.75)

0.0532 (1.35)

PIN 1

0.0196 (0.50)

0.0099 (0.25)

x 45°

0.0098 (0.25)

0.0040 (0.10)

0.210 (5.33)

MAX

0.130

(3.30)

MIN

0.160 (4.06)

0.115 (2.93)

8°

0°

0.015 (0.381)

0.008 (0.204)

0.0500

(1.27)

BSC

0.0192 (0.49)

0.0138 (0.35)

SEATING

PLANE

SEATING

PLANE

0.0500 (1.27)

0.0160 (0.41)

0.100 0.070 (1.77)

0.0098 (0.25)

0.0075 (0.19)

0.022 (0.558)

0.014 (0.356)

(2.54)

0.045 (1.15)

BSC

REV. A

–12–

1...9 10 1112

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