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OPA2206ADR

OVP ±40-V, low-power, low-noise, precision amplifier with e-trim™ and super beta input transistors

Manufacturer:

TI
Mfr.Part #:

OPA2206ADR
Datasheet:

OPA2206ADR Datasheet (PDF)
Package/Case:

8-SOIC
Product Type:

Precision Amplifiers
Lifecycle:

Active
EDA/CAD Models:

Request Free CAD Models for OPA2206ADR

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OPA2206ADR General Description

The OPA206 and OPA2206 (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 (typ) and an input offset voltage drift of ±0.08 µV/°C (typ). 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 (typ). The 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 (typ) 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).

Key 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 µV PP
- Voltage noise: 8 nV/√ Hz
A OL, 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