6

OPA340, OPA2340, OPA4340

SBOS073C – SEPTEMBER 1997 – REVISED AUGUST 2016

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Product Folder Links: OPA340 OPA2340 OPA4340

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Copyright © 1997–2016, Texas Instruments Incorporated

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

6.5 Thermal Information – OPA2340

THERMAL METRIC(1)

OPA2340

UNIT

D

(SOIC)

DGK

(VSSOP)

8 PINS

8 PINS

RθJA

Junction-to-ambient thermal resistance

138.4

169.2

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

89.5

62.8

°C/W

RθJB

Junction-to-board thermal resistance

78.6

89.8

°C/W

ψJT

Junction-to-top characterization parameter

29.9

7.5

°C/W

ψJB

Junction-to-board characterization parameter

78.1

88.2

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

—

—

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

6.6 Thermal Information – OPA4340

THERMAL METRIC(1)

OPA4340

UNIT

DBQ

(SSOP)

16 PINS

RθJA

Junction-to-ambient thermal resistance

115.8

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

67

°C/W

RθJB

Junction-to-board thermal resistance

58.3

°C/W

ψJT

Junction-to-top characterization parameter

19.9

°C/W

ψJB

Junction-to-board characterization parameter

57.9

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

—

°C/W

(1)

VS = 5 V.

6.7 Electrical Characteristics

At TA = 25°C, RL = 10 kΩ connected to VS/2, and VOUT = VS/2, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP(1)

MAX

UNIT

OFFSET VOLTAGE

VOS

Input offset voltage

VS = 5 V

±150

±500

µV

dVOS/dt

Input offset voltage vs temperature

TA = –40°C to 85°C, VS = 5 V

±2.5

µV/°C

PSRR

Input offset voltage vs

power supply

VS = 2.7 V to 5.5 V, VCM = 0 V

30

120

µV/V

Over temperature

VS = 2.7 V to 5.5 V, VCM = 0 V,

TA = –40°C to 85°C, VS = 5 V

120

µV/°C

Channel separation, DC

0.2

µV/V

INPUT BIAS CURRENT

IS

Input bias current

±0.2

±10

pA

Over temperature

TA = –40°C to 85°C, VS = 5 V

±60

IOS

Input offset current

±0.2

±10

pA

NOISE

Input voltage noise

f = 0.1 kHz to 50 kHz

8

µVRMS

en

Input voltage noise density

f = 1 kHz

25

nV/

√Hz

in

Current noise density

f = 1 kHz

3

fA/

√Hz

INPUT VOLTAGE RANGE

VCM

Common-mode voltage range

–0.3

(V+) + 0.3

V

CMRR

Common-mode rejection ratio

–0.3 V < VCM < (V+) – 1.8 V

80

92

dB

VS = 5 V, –0.3 V < VCM < 5.3 V

70

84

VS = 2.7 V, –0.3 V < VCM < 3 V

66

80