6.5 Electrical Characteristics (continued)

at TA = 25 °C, VS = VSOUT = ±15V, VICM = 0V, VREF = 0V, RL = 10kΩ connected to ground, and G = 1V/V (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

NOISE VOLTAGE

eNI

Voltage noise density (RTI)

f = 1kHz

G = 16

8.6

nV/√Hz

G = 8

8.8

G = 4

9.6

G = 2

13.5

G = 1

23.8

G = 0.5

47.4

G = 0.25

94.9

G = 0.125

186.3

ENI

Voltage noise (RTI)

fB = 0.1Hz to 10Hz

G = 16

0.28

µVPP

G = 8

0.29

G = 4

0.33

G = 2

0.49

G = 1

0.91

G = 0.5

1.82

G = 0.25

3.59

G = 0.125

7.28

iN

Input current noise density

f = 1kHz

0.3

pA/√Hz

IN

Input current noise

fB = 0.1Hz to 10Hz

13

pAPP

GAIN

Gain range

0.125

16

V/V

GE

Gain error

G = 0.125

±0.010

±0.045

%

G = 0.25

±0.005

±0.030

%

G = 0.5

±0.005

±0.030

%

G = 1

±0.005

±0.015

%

G = 2

±0.010

±0.030

%

G = 4

±0.015

±0.040

%

G = 8

±0.015

±0.040

%

G = 16

±0.030

±0.070

%

Gain nonlinearity

G = 0.125 to 16, VOUT > ±5V

2

5

ppm

Gain drift

G = 0.125 to 16, TA = –40°C to +125°C

±1

±2 ppm/°C

OUTPUT

VOUT

Output voltage

No load

VSOUT = ±2.25V

VLVSS + 0.1

VLVDD – 0.1

V

RL = 10kΩ

VSOUT = ±2.25V

VLVSS + 0.2

VLVDD – 0.2

VSOUT = ±18V

VLVSS + 0.4

VLVDD – 0.4

CL

Load capacitance

Stable operation for capacitive load

100

pF

ISC

Short-circuit current

Continuous to VSOUT / 2

±45

mA

TA = –40°C to +125°C

±20

±60

FREQUENCY RESPONSE

BW

Bandwidth, –3dB

G = 0.125 to 16

10

MHz

SR

Slew rate

G ≥ 0.5, VOUT = 10

35

V/µs

G = 0.25, VOUT = 5

23

V/µs

G = 0.125, VOUT = 2.5

10

V/µs

tS

Settling time

G = 0.125 to 16

VINDIFF = 10V step or VOUT =

10V step

To 0.01%

0.7

µs

To 0.0015%

0.95

Gain switching time

2

µs

PGA849

SBOSAG3A – MARCH 2024 – REVISED DECEMBER 2024

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