AD843J

更新时间： 2024-11-24 22:50:03

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器
页数	文件大小	规格书
12页	451K
描述
34 MHz, CBFET Fast Settling Op Amp

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AD843J 数据手册

34 MHz, CBFET

Fast Settling Op Amp

AD843

CONNECTION DIAGRAMS

FEATURES

AC PERFORMANCE

16-Pin SOIC (R-16) Package

Plastic (N-8) and

Cerdip (Q-8) Package

Unity Gain Bandwidth: 34 MHz

Fast Settling: 135 ns to 0.01%

Slew Rate: 250 V/␮s

Stable at Gains of 1 or Greater

Full Power Bandwidth: 3.9 MHz

DC PERFORMANCE

Input Offset Voltage: 1 mV max (AD843K/B}

Input Bias Current: 0.6 nA typ

Input Voltage Noise: 19 nV/√Hz

Open Loop Gain: 30 V/mV into a 500 ⍀ Load

Output Current: 50 mA min

Supply Current: 13 mA max

Available in 8-Pin Plastic Mini-DIP & Cerdip, 16-Pin SOIC,

20-Pin LCC and 12-Pin Hermetic Metal Can Packages

Available in Tape and Reel in Accordance with

EIA-481A Standard

TO-8 (H-12A) Package

LCC (E-20A) Package

Chips and MIL-STD-883B Parts Also Available

APPLICATIONS

High Speed Sample-and-Hold Amplifiers

High Bandwidth Active Filters

High Speed Integrators

High Frequency Signal Conditioning

PRODUCT DESCRIPTION

The AD843 is a fast settling, 34 MHz, CBFET input op amp.

The AD843 combines the low (0.6 nA) input bias currents

characteristic of a FET input amplifier while still providing a

34 MHz bandwidth and a 135 ns settling time (to within 0.01%

of final value for a 10 volt step). The AD843 is a member of the

Analog Devices’ family of wide bandwidth operational amplifi-

ers. These devices are fabricated using Analog Devices’ junction

isolated complementary bipolar (CB) process. This process per-

mits a combination of dc precision and wideband ac perform-

ance previously unobtainable in a monolithic op amp.

The AD843 is offered in either 8-pin plastic DIP or hermetic

cerdip packages, in 16-pin SOIC, 20-Pin LCC, or in a 12-pin

metal can. Chips are also available.

PRODUCT HIGHLIGHTS

1. The high slew rate, fast settling time and low input bias cur-

rent of the AD843 make it the ideal amplifier for 12-bit D/A

and A/D buffers, for high speed sample-and-hold amplifiers

and for high speed integrator circuits. The AD843 can re-

place many FET input hybrid amplifiers such as the

LH0032, LH4104 and OPA600.

The 250 V/µs slew rate and 0.6 nA input bias current of the

AD843 ensure excellent performance in high speed sample-and-

hold applications and in high speed integrators. This amplifier is

also ideally suited for high bandwidth active filters and high fre-

quency signal conditioning circuits.

2. Fully differential inputs provide outstanding performance in

all standard high frequency op amp applications such as sig-

nal conditioning and active filters.

Unlike many high frequency amplifiers, the AD843 requires no

external compensation and it remains stable over its full operat-

ing temperature range. It is available in five performance grades:

the AD843J and AD843K are rated over the commercial

3. Laser wafer trimming reduces the input offset voltage to

1 mV max (AD843K and AD843B).

temperature range of 0°C to +70°C. The AD843A and AD843B

are rated over the industrial temperature range of –40°C to +85°C.

The AD843S is rated over the military temperature range of –55°C

to +125°C and is available processed to MIL-STD-883B, Rev. C.

4. Although external offset nulling is unnecessary in many ap-

plications, offset null pins are provided.

5. The AD843 does not require external compensation at

closed loop gains of 1 or greater.

REV. D

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/329-4700

Fax: 617/326-8703

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与AD843J相关器件

型号	品牌	获取价格	描述	数据表
AD843JCHIPS	ADI	获取价格	34 MHz, CBFET Fast Settling Op Amp
AD843JN	ADI	获取价格	34 MHz, CBFET Fast Settling Op Amp
AD843JN	ROCHESTER	获取价格	OP-AMP, 4000uV OFFSET-MAX, 34MHz BAND WIDTH, PDIP8, MINI, PLASTIC, DIP-8
AD843JNZ	ADI	获取价格	34 MHz, CBFET Fast Settling Op Amp
AD843JNZ	ROCHESTER	获取价格	OP-AMP, 4000 uV OFFSET-MAX, 34 MHz BAND WIDTH, PDIP8, ROHS COMPLIANT, MINI, PLASTIC, DIP-8
AD843JR	ADI	获取价格	IC OP-AMP, 4000 uV OFFSET-MAX, 34 MHz BAND WIDTH, PDSO16, SOIC-16, Operational Amplifier
AD843JR-16	ADI	获取价格	34 MHz, CBFET Fast Settling Op Amp
AD843JR-16	ROCHESTER	获取价格	OP-AMP, 4000 uV OFFSET-MAX, 34 MHz BAND WIDTH, PDSO16, SOIC-16
AD843JR-16-REEL	ADI	获取价格	34 MHz, CBFET Fast Settling Op Amp
AD843JR-16-REEL	ROCHESTER	获取价格	OP-AMP, 4000 uV OFFSET-MAX, 34 MHz BAND WIDTH, PDSO16, SOIC-16

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