Datasheet > OPA2205ADR

OPA2205ADR

更新时间： 2024-11-05 11:12:35

品牌	Logo	应用领域
德州仪器 - TI		放大器运算放大器
页数	文件大小	规格书
42页	2650K
描述
具有低输入辅助电源电流和低噪声的双路轨到轨、双极精密 e-trim™ 运算放大器 \| D \| 8 \| -40 to 125

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OPA2205ADR 数据手册

OPA205, OPA2205, OPA4205

SBOS962F – APRIL 2020 – REVISED MARCH 2023

OPAx205 4-µV, 0.08-µV/°C, Low-Power, Super Beta, Bipolar, e-trim™ Op Amps

1 Features

3 Description

•

e-trim^™operational amplifier performance

– Low offset voltage: 25 µV (max),

15 µV (max, high grade)

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

±0.2 µV/°C (max, high grade)

Super beta inputs

– Input bias current: 500 pA (max)

– Input current noise: 110 fA/√Hz

Low noise

The OPA205, OPA2205, and OPA4205 (OPAx205)

are the next generation of the industry-standard

OPAx277 family. The OPA206 and OPA2206 are

related devices with the same op-amp core, but with

the added feature of input overvoltage protection

±40 V above the supplies. These devices are

precision, bipolar e-trim^™op amps with super-beta

inputs. TI's proprietary trimming technology is used to

achieve a typical input offset voltage of ±4 µV (±2 µV,

high grade), and a typical input offset voltage drift of

±0.08 µV (±0.04 µV, high grade).

•

– 0.1 to 10-Hz: 0.2 µV_PP

– Voltage noise: 7.2 nV/√Hz

A_OL, CMRR, and PSRR: > 126 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

Available in standard grade (OPAx205A) and

high grade (OPA2205, preview)

Available with ±40-V overvoltage protection in the

OPA206 and OPA2206

Designed on a bipolar process, the OPAx205 provide

3.6‑MHz gain bandwidth for a mere 220 µA of

quiescent current. The devices also achieve a low

voltage noise density of only 7.2 nV/√Hz at 1 kHz.

The super-beta inputs of the OPAx205 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 OPAx205 makes these

devices an excellent choice for systems requiring

high precision and low power consumption, such

as flow and pressure transmitters, portable data

acquisition (DAQ) systems, and high-density source

measurement units (SMU).

•

Device Information

2 Applications

PART NUMBER

OPA205

CHANNELS

PACKAGE⁽¹⁾

•

Flow transmitter

String inverter

Single

D (SOIC, 8)

Dual

Quad

D (SOIC, 8)

OPA2205⁽²⁾

Data acquisition (DAQ)

Source measurement unit (SMU)

Lab and field instrumentation

Battery test

Analog input module

Pressure transmitter

DGK (VSSOP, 8)

D (SOIC, 14)

OPA4205

PW (TSSOP, 14)

(1) For all available packages, see the package option

addendum at the end of the data sheet.

(2) High-grade version is preview (not Production Data).

750 ꢀ

470 pF

+7 V

3 kꢀ

2.4 kꢀ

IN+

OPA2205

Þ7 V

100 ꢀ

+7 V

1.1 nF

1 nF

V_OUT

THP210

Þ7 V

+7 V

2.4 kꢀ

3 kꢀ

INÞ

470 pF

OPA2205

Þ7 V

750 ꢀ

-0.1 -0.08 -0.06 -0.04 -0.02

0.02 0.04 0.06 0.08 0.1

Offset Voltage Drift (µV/°C)

OPA2205 Typical Application

OPAx205 Offset Voltage Drift

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. UNLESS OTHERWISE NOTED, this document contains PRODUCTION

DATA.

12 3 4 5 6 7...42

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与OPA2205ADR相关器件

型号	品牌	获取价格	描述	数据表
OPA2205ADT	TI	获取价格	具有低输入辅助电源电流和低噪声的双路轨到轨、双极精密 e-trim™ 运算放大器 \| D
OPA2206	TI	获取价格	OPA2206 Input-Overvoltage-Protected, 2-Î¼V, 0
OPA2206_V01	TI	获取价格	OPA2206 Input-Overvoltage-Protected, 2-Î¼V, 0
OPA2206ADGKR	TI	获取价格	OPA2206 Input-Overvoltage-Protected, 2-Î¼V, 0
OPA2206ADGKT	TI	获取价格	OPA2206 Input-Overvoltage-Protected, 2-Î¼V, 0
OPA2206ADR	TI	获取价格	具有 e-trim™ 和超 β 输入晶体管的 OVP ±40V、低功耗、低噪声精密放大器
OPA2206ADT	TI	获取价格	具有 e-trim™ 和超 β 输入晶体管的 OVP ±40V、低功耗、低噪声精密放大器
OPA2206DGKR	TI	获取价格	OPA2206 Input-Overvoltage-Protected, 2-Î¼V, 0
OPA2209	TI	获取价格	OPERATIONAL AMPLIFIER
OPA2209AID	TI	获取价格	OPERATIONAL AMPLIFIER

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