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OPA2228PA

Dual, wide bandwidth, high precision, low noise operational amplifiers

Manufacturer: Texas Instruments, Inc
Mfr.Part #: OPA2228PA
Datasheet: OPA2228PA Datasheet (PDF)
Number of channels: 2
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V): 36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V): 5
Vos (offset voltage at 25°C) (max) (mV): 0.075
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OPA2228PA General Description

The OPAx227 and OPAx228 series operational amplifiers combine low noise and wide bandwidth with high precision to make them an excellent choice for applications requiring both ac and precision dc performance.

The OPAx227 are unity-gain stable and features high slew rate (2.3 V/µs) and wide bandwidth (8 MHz). The OPAx228 are optimized for closed-loop gains of 5 or greater, and offers higher speed with a slew rate of 10 V/µs and a bandwidth of 33 MHz.

The OPAx227 and OPAx228 series operational amplifiers are an excellent choice for professional audio equipment. In addition, low quiescent current and low cost make these op amps an excellent choice for portable applications requiring high precision.

The OPAx227 and OPAx228 series operational amplifiers are pin-for-pin replacements for the industry-standard OP27 and OP37 with substantial improvements across the board. The dual and quad versions are available for space savings and per-channel cost reduction.

The OPAx227 and OPAx228, are available in DIP-8 and SO-8 packages. The OPA4227 and OPA4228 are available in DIP-14 and SO-14 packages with standard pin configurations. Operation is specified from –40°C to +85°C.

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Key Features

Low noise: 3 nV/√Hz
Wide bandwidth:
- OPA227: 8 MHz, 2.3 V/µs
- OPA228: 33 MHz, 10 V/µs
Settling time: 5 µs
High CMRR: 138 dB
High open-loop gain: 160 dB
Low input bias current: 10 nA maximum
Low offset voltage: 75 µV maximum
Wide supply range: ±2.5 V to ±18 V
Single, dual, and quad versions

Specifications

Number of channels	2	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	5	Vos (offset voltage at 25°C) (max) (mV)	0.075
GBW (typ) (MHz)	33	Features	Decompensated
Slew rate (typ) (V/µs)	11	Rail-to-rail	No
Offset drift (typ) (µV/°C)	0.1	Iq per channel (typ) (mA)	3.7
Vn at 1 kHz (typ) (nV√Hz)	3	CMRR (typ) (dB)	138
Rating	Catalog	Operating temperature range (°C)	-40 to 85
Input bias current (max) (pA)	10000	Iout (typ) (A)	0.045
Architecture	Bipolar	Input common mode headroom (to negative supply) (typ) (V)	2
Input common mode headroom (to positive supply) (typ) (V)	-2	Output swing headroom (to negative supply) (typ) (V)	2
Output swing headroom (to positive supply) (typ) (V)	-2	THD + N at 1 kHz (typ) (%)	0.00005
feature-type	Precision Amplifier	feature-number-of-channels-per-chip	2
feature-rail-to-rail		feature-process-technology
feature-output-type		feature-maximum-input-offset-voltage-mv	0.2@±15V
feature-maximum-supply-current-ma		feature-maximum-input-offset-current-ua	0.01@±15V
feature-maximum-input-bias-current-ua	0.01@±15V	feature-maximum-power-dissipation-mw
feature-typical-slew-rate-v-us	11@±15V	feature-typical-gain-bandwidth-product-mhz	33
feature-shut-down-support	No	feature-packaging	Tube
feature-rad-hard		feature-pin-count	8
feature-supplier-package	PDIP	feature-standard-package-name1	DIP
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-escc-qualified		feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	No
feature-svhc-exceeds-threshold	No

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Ratings and Reviews

A**e 11/13/2022

Avaq has definitely won my trust as a reliable distributor. The B32-2000 components arrived promptly and in perfect condition. Their commitment to customer satisfaction is commendable.

P**o 09/03/2020

Easy company to work with. Helpful.

M**a 06/08/2020

Fiction, in belarus came in 10 days. For the shipment i put 10 with + ohm. I can not check because. Batteries have not yet arrived. Details on quality will not say, visually look beautiful. The store is super, it's worth dealing with.

W**m 05/09/2020

everthing ok. Recommend seller