Datasheet > OPA2206ADT

OPA2206ADT

更新时间： 2024-11-22 11:06:51

品牌	Logo	应用领域
德州仪器 - TI		放大器晶体管
页数	文件大小	规格书
34页	2986K
描述
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 \| D \| 8 \| -40 to 125

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OPA2206ADT 数据手册

OPA2206

SBOSA11A – MARCH 2020 – REVISED MARCH 2021

OPA2206 Input-Overvoltage-Protected, 2-µV, 0.04-µV/°C, Low-Power

Precision Op Amp

1 Features

3 Description

•

Integrated input overvoltage protection up to ±40 V

beyond supplies

e-trim^™operational amplifier performance

– Low offset voltage: 15 µV (max)

– Low offset voltage drift: ±0.2 µV/°C (max)

Super beta inputs

– Input bias current: 0.4 nA (max)

– Input current noise: 110 fA/√Hz

Low noise

– 0.1-Hz to 10-Hz: 0.2 µV_PP

– Voltage noise: 8 nV/√Hz

A_OL, CMRR, and PSRR: > 126 dB (full

temperature range)

Gain bandwidth product: 3.6 MHz

Low quiescent current: 220 µA (max)

Slew rate: 4 V/µs

Overload power limiter

Rail-to-rail output

EMI/RFI filtered inputs

Wide supply: 4.5 V to 36 V

Temperature range: –40°C to +125°C

Available in high grade (OPA2206) and standard

grade (OPA2206A)

The OPA2206 is the next generation of the industry-

standard OPAx277 family with the additional feature

of input overvoltage protection. The device is a

precision bipolar, e-trim operational amplifier with

super beta inputs. The device uses TI’s proprietary

trimming technology to achieve an impressive input

offset voltage of ±2 μV (typ) and an input offset

voltage drift of ±0.04 μV/°C (typ). The input

overvoltage protection activates when the input signal

exceeds the supply range and offers protection up to

40 V beyond either supply. This feature eliminates the

need for external cumbersome circuitry to prevent the

amplifier from damages.

•

Designed on a bipolar process, the OPA2206

provides a superb speed-to-power ratio of 3.6 MHz

for a mere 220 μA. The device also achieves a low

voltage noise density of only 8 nV/√Hz at 1 kHz.

Thanks to super-beta inputs, the OPA2206 has a very

low input bias current of 100 pA (typ) and a current

noise density of 110 fA/√Hz.

•

The high performance of the OPA2206 makes this

device 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

OPA2205 is a related product with the same op amp

core, without the input protection but with improved

broadband noise (7.2 nV/√Hz).

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

Device Information

PART NUMBER

OPA2206

PACKAGE⁽¹⁾

BODY SIZE (NOM)

VSSOP (8)

3.00 mm × 3.00 mm

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

addendum at the end of the data sheet.

Data acquisition (DAQ)

7.5

80 k

20 k

±10 V

12 V

2.2 nF

2.5

100 nF

GND

100 nF

GND

–

3.74 k

11.8 k

2.2 nF

6.65 k

–

Output

-2.5

-5

OPA2206

T_A= –40°C

T_A= 25°C

T_A= 85°C

T_A= 125°C

2 V

OPA2206

330 pF

GND

100 nF

GND

100 nF

GND

12 V

-7.5

-60

12 V

GND

-40

-20

Common-mode Voltage (V)

OPA2206 Typical Application

OPA2206 Input Overvoltage Protection

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. PRODUCTION DATA.

12 3 4 5 6 7...34

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OPA2210IDGKR	TI	获取价格	超低噪声 (2.2nV/√Hz)、超 β (0.3nA)、高精度（5µV、0.1µV/°C
OPA2210IDGKT	TI	获取价格	超低噪声 (2.2nV/√Hz)、超 β (0.3nA)、高精度（5µV、0.1µV/°C

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