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AD8336-EVALZ

更新时间： 2024-11-21 04:31:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
28页	1237K
描述
General-Purpose, −55 to +125, Wide Bandwidth, DC-Coupled VGA

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AD8336-EVALZ 数据手册

General-Purpose, −55°C to +125°C,

Wide Bandwidth, DC-Coupled VGA

AD8336

FEATURES

FUNCTIONAL BLOCK DIAGRAM

PRAO VGAI

Low noise

Voltage noise: 3 nV/√Hz

Current noise: 3 pA/√Hz

Small signal BW: 115 MHz

Large signal BW: 2 V p-p = 80 MHz

Slew rate: 550 V/µs, 2 V p-p

Gain ranges (specified)

−14 dB to +46 dB,

AD8336

INPP

INPN

PrA

–

ATTENUATOR

–60dB TO 0dB

34dB

VOUT

GAIN CONTROL

INTERFACE

PWRA

BIAS

0 dB to 60 dB

Gain scaling: 50 dB/V

DC-coupled

VPOS

VNEG

VCOM

GPOS

GNEG

Single-ended input and output

Supplies: 3 V to 12 V

Temperature Range: −55°C to +125°C

Power

Figure 1.

150 mW @ 3 V, −55°C < T < +125°C

84 mW @ 3 V, PWRA = 3 V

APPLICATIONS

Industrial process controls

High performance AGC systems

I/Q signal processing

Video

Industrial and medical ultrasound

Radar receivers

GENERAL DESCRIPTION

The AD8336 is a low noise, single-ended, linear-in-dB, general-

purpose variable gain amplifier, usable over a large range of

supply voltages. It features an uncommitted preamplifier

(preamp) with a usable gain range of 6 dB to 26 dB established

by external resistors in the classical manner. The VGA gain

range is 0 dB to 60 dB, and its absolute gain limits are −26 dB to

+34 dB. When the preamplifier gain is adjusted for 12 dB, the

combined 3 dB bandwidth of the preamp and VGA is 100 MHz,

and the amplifier is fully usable to 80 MHz. With 5 V supplies,

the maximum output swing is 2 V p-p.

The large supply voltage range makes the AD8336 particularly

suited for industrial medical applications and for video circuits.

Dual-supply operation enables bipolar input signals, such as

those generated by photodiodes or photomultiplier tubes.

The fully independent voltage feedback preamp allows both

inverting and noninverting gain topologies, making it a fully

bipolar VGA. The AD8336 can be used within the specified

gain range of −14 dB to +60 dB by selecting a preamp gain

between 6 dB and 26 dB and choosing appropriate feedback

resistors. For the nominal preamp gain of 4×, the overall gain

range is −14 dB to +46 dB.

Thanks to its X-Amp® architecture, excellent bandwidth

uniformity is maintained across the entire gain range of the

VGA. Intended for a broad spectrum of applications, the

differential gain control interface provides precise linear-in-dB

gain scaling of 50 dB/V over the temperature span of −55°C to

+125 °C. The differential gain control is easy to interface with a

variety of external circuits within the common-mode voltage

limits of the AD8336.

In critical applications, the quiescent power can be reduced by

about half by using the power adjust pin, PWRA. This is

especially useful when operating with high supply voltages of

up to 12 V, or at high temperatures.

The operating temperature range is −55°C to +125°C. The

AD8336 is available in a 16-lead LFCSP (4 mm × 4 mm).

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registeredtrademarks arethe property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与AD8336-EVALZ相关器件

型号	品牌	获取价格	描述	数据表
AD8337	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA
AD8337_07	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA
AD8337_16	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA
AD8337BCPZ-R2	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA
AD8337BCPZ-REEL	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA
AD8337BCPZ-REEL7	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA
AD8337BCPZ-WP	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA
AD8337-EVAL-INV	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA
AD8337-EVAL-SS	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA
AD8337-EVALZ	ADI	获取价格	General-Purpose, Low Cost, DC-Coupled VGA

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