ADS7822

12-Bit A/D

DCLOCK

DOUT

CS/SHDN

1/2

OPA2348-Q1

5 V

VIN

V+

2

+IN

3

–IN

VREF

8

4

GND

Serial

Interface

1

0.1 µF

0.1 µF

7

6

5

VIN = 0 V to 5 V for

0-V to 5-V output.

RC network filters high-frequency noise.

500

3300 pF

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OPA348-Q1, OPA2348-Q1, OPA4348-Q1

SBOS465C – JANUARY 2009 – REVISED JANUARY 2016

OPAx348-Q1 1-MHz 45-µA CMOS Rail-to-Rail Operational Amplifier

1 Features

3 Description

The OPAx348-Q1 series of devices are single-supply,

1

•

Qualified for Automotive Applications

low-power CMOS operational amplifiers. Featuring an

•

AEC-Q100 Qualified With the Following Results:

extended bandwidth of 1 MHz and a supply current of

–

Device Temperature Grade 1: –40°C to

45 µA, the OPAx348-Q1 family of devices is useful

+125°C Ambient Operating Temperature

for low-power applications on single supplies of 2.1 V

to 5.5 V.

Range

–

Device HBM ESD Classification Level 2

Low supply current of 45 µA and an input bias current

of 0.5 pA make the OPAx348-Q1 family of devices an

–

Device CDM ESD Classification Level C4B

optimal candidate for low-power, high-impedance

•

Low Quiescent Current (IQ): 45 µA (Typ)

applications such as smoke detectors and other

•

Low Cost

sensors.

•

Rail-to-Rail Input and Output

The OPA348-Q1 device is available in both the

•

Single Supply: 2.1 V to 5.5 V

SOT23-5 (DBV) and the SOIC (D) packages. The

OPA2348-Q1 device is available in the SOIC-8 (D)

•

Input Bias Current: 0.5 pA (Typ)

package. The OPA4348-Q1 device is available in the

•

High Speed: Power With Bandwidth: 1 MHz

TSSOP-14

(PW)

package.

The

automotive

temperature range of –40°C to +125°C over all

2 Applications

supply voltages offers additional design flexibility.

•

Portable Equipment

Device Information(1)

•

Battery-Powered Equipment

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Smoke Alarms

SOT-23 (5)

2.90 mm × 1.60 mm

•

CO Detectors

OPA348-Q1

SOIC (8)

4.90 mm × 3.91 mm

•

HEV/EV and Power Train

OPA2348-Q1

SOIC (8)

4.90 mm × 3.91 mm

•

Infotainment and Cluster

OPA4348-Q1

TSSOP (14)

5.00 mm × 4.40 mm

•

Medical Instrumentation

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Noninverting Configuration Driving ADS7822

1

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.