Datasheet > SPT231AIH

SPT231AIH

更新时间： 2024-09-18 07:29:07

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		放大器
页数	文件大小	规格书
4页	332K
描述
Operational Amplifier, 1 Func, 4500uV Offset-Max, BIPolar, MBCY12, TO-8

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SPT231AIH 数据手册

FAST SETTLING, WIDEBAND BUFFER/AMPLIFIER (A = ±1 to ±5)

General Description

Features

The SPT231 Buffer/Amplifier is a wideband operational amplifier

designed specifically for high-speed, low-gain applications. The

SPT231 is based on a current feedback op amp topology-a unique

design that both eliminates the gain-bandwidth tradeoff and permits

unprecedented high-speed performance. (See table below.)

■

165MHz closed-loop – -3dB bandwidth

15ns settling to 0.05%

1mV input offset voltage, 10µV/°C drift

100mA output current

Excellent AC and DC linearity

Direct replacement for CLC231

The SPT231 Buffer/Amplifier is the ideal design alternative to low

precision open-loop buffers and oscillation-prone conventional op

amps. The SPT231 offers precise gains from ±1.000 to ±5.000

and linearity that is a true 0.1%-even for demanding 50Ω loads.

Open-loop buffers, on the other hand, offer a nominal gain of 0.95

±0.03 and a linearity of only 3% for typical loads. A buffer’s

settling time may look impressive but it is usually specified at

unrealistically large load resistances or when the effects of

thermal tail are not included; the SPT231 Buffer/Amplifier settles

to 0.05% in 15ns-while driving a 100Ω load.

Applications

■

Driving flash A/D converters

■

Precision line driving

(a gain of 2 cancels matched-line losses)

DAC current-to-voltage conversion

■

Low-power, high-speed applications

■

(50mW @ ±5V)

Offsets and drifts, usually a low priority in conventional high-

speed op amp designs, were not ignored in the SPT231; the input

offset voltage is typically 1mV and input offset voltage drift is only

10µV/°C. The SPT231 is stable and oscillation-free across the

entire gain range and since it’s internally compensated, the user

is saved the trouble of designing external compensation networks

and having to “tweak” them in production. The absence of a gain-

bandwidth tradeoff in the SPT231 allows performance to be

predicted easily; the table below shows how the bandwidth is

affected very little by changing the gain setting.

Bottom View

The SPT231 is constructed using thin film resistor/bipolar transis-

tor technology, and is available in the following versions:

SPT231AIH

-25°C to +85°C 12-pin TO-8 can

SPT231AMH -55°C to +125°C 12-pin TO-8 can, features burn-

in and hermetic testing

Typical Performance

Package Dimensions

4755 Forge Road, Colorado Springs, Colorado 80907, USA

Phone: (719) 528-2300 FAX: (719) 528-2370 Website: http://www.spt.com E-Mail: sales@spt.com

12 3 4

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与SPT231AIH相关器件

型号	品牌	获取价格	描述	数据表
SPT231AMH	FAIRCHILD	获取价格	Operational Amplifier, 1 Func, 4500uV Offset-Max, BIPolar, MBCY12, METAL CAN, TO-8, 12 PIN
SPT232	ETC	获取价格	LOW DISTORTION WIDEBAND OP AMP
SPT240	HUTSON	获取价格	4 Quadrant Logic Level TRIAC, 200V V(DRM), 40A I(T)RMS
SPT25		获取价格	Wall / post mount
SPT25P		获取价格	Wall / post mount
SPT25WC		获取价格	Wall / post mount
SP-T3	ETC	获取价格	Surface Mount Quartz Crystal Units for Low Frequencies
SPT300PFB	SPI	获取价格	300 Watts AT Switching Power Supply
SPT30L-123	COILCRAFT	获取价格	High Current Surface Mount Power Inductors
SPT30L-123ML	COILCRAFT	获取价格	SMT Power Inductors

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