Datasheet > AD845SQ/883B

AD845SQ/883B

更新时间： 2024-09-24 22:18:51

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
8页	237K
描述
Precision, 16 MHz CBFET Op Amp

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替代型号

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AD845SQ/883B 数据手册

Precision, 16 MHz

CBFET Op Amp

AD845

FEATURES

CO NNECTIO N D IAGRAMS

Replaces Hybrid Am plifiers in Many Applications

16-P in SO IC

(R-16) P ackage

P lastic Mini-D IP (N) P ackage

and Cerdip (Q) P ackage

AC PERFORMANCE:

Settles to 0.01% in 350 ns

100 V/ ␮s Slew Rate

12.8 MHz m in Unity-Gain Bandw idth

1.75 MHz Full-Pow er Bandw idth at 20 V p-p

DC PERFORMANCE:

0.25 m V m ax Input Offset Voltage

5 ␮V/ ؇C m ax Offset Voltage Drift

0.5 nA Input Bias Current

250 V/ m V m in Open-Loop Gain

4 ␮V p-p m ax Voltage Noise, 0.1 Hz to 10 Hz

94 dB m in CMRR

Available in Plastic Mini-DIP, Herm etic Cerdip and

SOIC Packages. Also Available in Tape and Reel in

Accordance w ith EIA-481A Standard

T he AD845 conforms to the standard op amp pinout except

that offset nulling is to V+. T he AD845J and AD845K grade

devices are available specified to operate over the commercial

0°C to +70°C temperature range. AD845A and AD845B

devices are specified for operation over the –40°C to +85°C

industrial temperature range. T he AD845S is specified to oper-

ate over the full military temperature range of –55°C to

+125°C. Both the industrial and military versions are available

in 8-pin cerdip packages. T he commercial version is available in

an 8-pin plastic mini-DIP and 16-pin SOIC; “J” and “S” grade

chips are also available.

P RO D UCT D ESCRIP TIO N

T he AD845 is a fast, precise, N channel JFET input, monolithic

operational amplifier. It is fabricated using Analog Devices’

complementary bipolar (CB) process. Advanced laser-wafer

trimming technology enables the very low input offset voltage

and offset voltage drift performance to be realized. T his preci-

sion, when coupled with a slew rate of 100 V/µs, a stable

unity-gain bandwidth of 16 MHz, and a settling time of 350 ns

0.01%—while driving a parallel load of 100 pF and 500 Ω—

represents a combination of features unmatched by any FET

input IC amplifier. T he AD845 can easily be used to upgrade

many existing designs which use BiFET or FET input hybrid

amplifiers and, in some cases, those which use bipolar input op

amps.

P RO D UCT H IGH LIGH TS

1. T he high slew rate, fast settling time, and dc precision of the

AD845 make it ideal for high speed applications requiring

12-bit accuracy.

2. T he performance of circuits using the LF400, HA2520/2/5,

HA2620/2/5, 3550, OPA605, and LH0062 can be upgraded

in most cases.

T he AD845 is ideal for use in applications such as active filters,

high speed integrators, photo diode preamps, sample-and-hold

amplifiers, log amplifiers, and in buffering A/D and D/A con-

verters. T he 250 µV max input offset voltage makes offset null-

ing unnecessary in many applications. T he common-mode

rejection ratio of 110 dB over a ±10 V input voltage range

represents exceptional performance for a JFET input high

speed op amp. T his, together with a minimum open-loop

gain of 250 V/mV ensures that 12-bit performance is achieved,

even in unity-gain buffer circuits.

3. T he AD845 is unity-gain stable and internally compensated.

4. T he AD845 is specified while driving 100 pF/500 Ω loads.

REV. D

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

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

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7 8

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AD845SQ/883B 替代型号

型号	品牌	替代类型	描述	数据表
AD845SQ	ADI	类似代替	Precision, 16 MHz CBFET Op Amp
AD845BQ	ADI	类似代替	Precision, 16 MHz CBFET Op Amp
AD845AQ	ADI	类似代替	Precision, 16 MHz CBFET Op Amp

与AD845SQ/883B相关器件

型号	品牌	获取价格	描述	数据表
AD846	ADI	获取价格	450 V/us, Precision, Current-Feedback Op Amp
AD8460	ADI	获取价格	110 V High Voltage, 1 A High Current, Arbitrary Waveform Generator with Integrated 14-Bit
AD8465	ADI	获取价格	Rail-to-Rail, Very Fast, 2.5 V to 5.5 V, Single-Supply LVDS Comparator
AD8465WBCPZ-R7	ADI	获取价格	Rail-to-Rail, Very Fast, 2.5 V to 5.5 V, Single-Supply LVDS Comparator
AD8465WBCPZ-WP	ADI	获取价格	Rail-to-Rail, Very Fast, 2.5 V to 5.5 V, Single-Supply LVDS Comparator
AD8468	ADI	获取价格	Rail-to-Rail, Fast, Low Power 2.5 V to 5.5 V, Single-Supply TTL/CMOS Comparator
AD8468WBKSZ	ADI	获取价格	Rail-to-Rail, Fast, Low Power 2.5 V to 5.5 V, Single-Supply TTL/CMOS Comparator
AD8468WBKSZ-R7	ADI	获取价格	Rail-to-Rail, Fast, Low Power 2.5 V to 5.5 V, Single-Supply TTL/CMOS Comparator
AD8468WBKSZ-RL	ADI	获取价格	Rail-to-Rail, Fast, Low Power 2.5 V to 5.5 V, Single-Supply TTL/CMOS Comparator
AD8469	ADI	获取价格	Fast, Rail-to-Rail, Low Power, 2.5 V to 5.5 V

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