7.5 Electrical Characteristics (continued)

at TA = 25 °C, VS = VSOUT = ±15 V, VICM = VOCM is at mid-supply, RL = 10 kΩ, and G = 1 V/V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

NOISE VOLTAGE

eNI

Input-referred voltage noise density

f = 1 kHz

G = 16

7.8

nV/√Hz

G = 8

8.0

G = 4

8.6

G = 2

12.6

G = 1

21.6

G = 0.5

42

G = 0.25

84

G = 0.125

168

ENI

Input-referred voltage noise

fB = 0.1 Hz to 10 Hz

G = 16

0.26

µVPP

G = 8

0.27

G = 4

0.29

G = 2

0.44

G = 1

0.8

G = 0.5

1.6

G = 0.25

3.2

G = 0.125

6.4

iN

Input current noise density

f = 1 kHz

0.3

pA/√Hz

IN

Input current noise

fB = 0.1 Hz to 10 Hz

13

pAPP

GAIN

Differential gain range

0.125

16

V/V

GE

Differential gain error

G = 0.25, 0.5, 2, 4

±0.02

±0.05

%

G = 1

±0.02

±0.03

G = 0.125, 8, 16

±0.03

±0.07

Differential gain drift

G = 1, TA = –40°C to +125°C

±1

ppm/°C

G = 0.125, 0.25, 0.5, 2, 4, 8, 16, TA = –40°C to

+125°C

±2

Differential gain nonlinearity

G = 0.125 to 16, VOUTDIFF =

10 V

2

5

ppm

TA = –40°C to +125°C

10

OUTPUT

VOUT

Output voltage

No load

VSOUT = ±2.25 V

VLVSS + 0.1

VLVDD – 0.1

V

RL = 10 kΩ

VSOUT = ±2.25 V

VLVSS + 0.2

VLVDD – 0.2

VSOUT = ±18V

VLVSS + 0.4

VLVDD – 0.4

CL

Load capacitance

Stable operation for differential load

50

pF

ISC

Short-circuit current

Continuous to VSOUT / 2

±45

mA

TA = –40°C to +125°C

±20

±60

FREQUENCY RESPONSE

BW

Bandwidth, –3 dB

G = 0.125 to 16

10

MHz

SR

Slew rate

G = 0.125 to 16, VOUTDIFF > 5 V

35

V/µs

tS

Settling time

G = 0.125 to 16

VINDIFF = 10-V step or

VOUTDIFF = 10-V step

To 0.01%

0.7

µs

To 0.0015%

0.95

Gain switching time

2

µs

THD+N

Total harmonic distortion and Noise

Differential input, f = 10 kHz, VO = 10 VPP

–110

dB

Single-ended input, f = 10 kHz, VO = 10 VPP

–105

HD2

Second-order harmonic distortion

Differential input, f = 10 kHz, VO = 10 VPP

–120

dB

Single-ended input, f = 10 kHz, VO = 10 VPP

–110

HD3

Third-order harmonic distortion

Differential input, f = 10 kHz, VO = 10 VPP

–120

dB

Single-ended input, f = 10 kHz, VO = 10 VPP

–110

PGA855

SBOSAE0B – APRIL 2023 – REVISED SEPTEMBER 2023

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