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OPAX206中文資料德州儀器數(shù)據(jù)手冊(cè)PDF規(guī)格書

OPAX206
廠商型號(hào)

OPAX206

功能描述

OPAx206 Input-Overvoltage-Protected, 4-μV, 0.08-μV/°C, Low-Power Super Beta, e-trim? Operational Amplifiers

文件大小

2.84779 Mbytes

頁(yè)面數(shù)量

41 頁(yè)

生產(chǎn)廠商 Texas Instruments
企業(yè)簡(jiǎn)稱

TI1德州儀器

中文名稱

德州儀器官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

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更新時(shí)間

2025-2-20 13:10:00

OPAX206規(guī)格書詳情

1 Features

? Integrated input overvoltage protection up to ±40 V

beyond supplies

? e-trim? operational amplifier performance

– Low offset voltage: 25 μV (max)

– Low offset voltage drift: ±0.5 μV/°C (max)

? Super beta inputs

– Input bias current: 500 pA (max)

– Input current noise: 110 fA/√Hz

? Low noise

– 0.1-Hz to 10-Hz: 0.2 μVPP

– Voltage noise: 8 nV/√Hz

? AOL, CMRR, and PSRR: > 124 dB (full

temperature range)

? Gain bandwidth product: 3.6 MHz

? Low quiescent current: 240 μA (max)

? Slew rate: 4 V/μs

? Overload power limiter

? Rail-to-rail output

? EMI and RFI filtered inputs

? Wide supply: 4.5 V to 36 V

? Temperature range: –40°C to +125°C

2 Applications

? Analog input module

? Mixed module (AI,AO,DI,DO)

? Lab and field Instrumentation

? Source measurement unit (SMU)

? Digital multimeter (DMM)

? Train control and management

? String inverter

? Data acquisition (DAQ)

3 Description

The OPA206, OPA2206, and OPA4206 (OPAx206)

are the next generation of the industry-standard

OPAx277 family with the added feature of input

overvoltage protection. These precision, bipolar,

e?trim? op amps with super-beta inputs use TI’s

proprietary trimming technology to achieve an input

offset voltage of ±4 μV (typical) and an input offset

voltage drift of ±0.08 μV/°C (typical). The input

overvoltage protection activates when the input signal

exceeds the supply range and protects up to 40 V

beyond either supply. This feature eliminates the need

for external circuitry to prevent amplifier damage,

thereby reducing size and costs.

The OPAx206 provide a speed-to-power ratio of

3.6 MHz for a mere 220 μA (typical). These devices

also achieve a low voltage noise density of only

8 nV/√Hz at 1 kHz. The super-beta inputs of the

OPAx206 have a very low input bias current of 100 pA

(typical) and a current noise density of 110 fA/√Hz.

The high performance of the OPAx206 make these

devices an excellent choice for systems requiring

high precision and low power consumption, such as

high-density analog input modules in programmable

logic controllers, field and portable instrumentation

systems, and source measurement units. The

OPA205 and OPA2205 are related devices with the

same op amp core without the input protection, but

with improved broadband noise (7.2 nV/√Hz).

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