DIO2186

Version 1.0, Apr 2026

www.dioo.com

© 2026 Dioo Microcircuits Co., Ltd. Jiangsu

3

5. Electrical Characteristics

TA = 25°C, VSENSE = VIN+ – VIN–, VS = 2.5 V to 6 V, VIN+ = 12 V, and VREF = VS / 2, unless otherwise noted.

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

Input

CMRR

Common-mode

rejection ratio

VSENSE = 0 mV, VIN+ = -2 V to 40 V

150

dB

VOS

Offset voltage, RTI (1)

VS = 5 V, VSENSE = 0 mV

±3

±50

µV

dVos/dT

Offset voltage, RTI (1)

VS = 5 V, VSENSE = 0 mV

0.01

0.5

µV/℃

PSRR

Power-supply

rejection ratio, RTI (1)

VSENSE = 0 mV, VS = 2.5 V to 6 V

±1

µV/V

IB

Input bias current

VSENSE = 0 mV

1

nA

IOS

Input offset current

VSENSE = 0 mV

±1

nA

Output

G

Gain

DIO2186A

25

V/V

DIO2186B

50

DIO2186C

100

DIO2186D

200

DIO2186E

500

Gain error

VOUT = 0.1 V to VS – 0.1 V

±0.03

±1

%

Gain error drift

TA=-40℃ to +125℃

2

10

ppm/℃

Nonlinearity error (2)

VOUT = 0.1 V to VS – 0.1 V

±0.01

%

RVRR

Reference

voltage

rejection ratio, RTI (1)

VREF = 100 mV to VS - 100 mV

±1

µV/V

Maximum capacitive

load

No sustained oscillation

1

nF

Voltage output

VSP

Swing to VS

power-supply rail

RL = 10 kΩ to GND

VS – 20

VS – 40

mV

VSN

Swing to GND

RL = 10 kΩ to GND,

VREF = 0 V, VSENSE = -10 mV

VGND +

0.05

VGND +

1

mV

VZL

Zero current output

voltage

RL = 10 kΩ to GND,

VREF = 0 V, VSENSE = 0 mV

VGND +

2

VGND +

10

mV

Frequency response

BW

Bandwidth

DIO2186A

CLOAD = 10 pF

60

kHz

DIO2186B

CLOAD = 10 pF

45

kHz

DIO2186D

CLOAD = 10 pF

45

kHz