MCP6231 datasheet(2/20 Pages) MICROCHIP

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MCP6231/2

DS21881B-page 2

 2004 Microchip Technology Inc.

1.0

ELECTRICAL

CHARACTERISTICS

Absolute Maximum Ratings †

VDD - VSS .........................................................................7.0V

All Inputs and Outputs ................... VSS – 0.3V to VDD + 0.3V

Difference Input Voltage ...................................... |VDD – VSS|

Output Short Circuit Current ..................................continuous

Current at Input Pins ....................................................±2 mA

Current at Output and Supply Pins ............................±30 mA

Storage Temperature.................................... –65°C to +150°C

Maximum Junction Temperature (TJ) .......................... +150°C

ESD Protection On All Pins (HBM;MM)

............... ≥ 4 kV; 400V

† Notice: Stresses above those listed under “Maximum

Ratings” may cause permanent damage to the device. This is

a stress rating only and functional operation of the device at

those or any other conditions above those indicated in the

operational listings of this specification is not implied.

Exposure to maximum rating conditions for extended periods

may affect device reliability.

PIN FUNCTION TABLE

DC ELECTRICAL SPECIFICATIONS

Name

Function

VIN+, VINA+, VINB+

Non-inverting Input

VIN–, VINA–, VINB–

Inverting Input

VDD

Positive Power Supply

VSS

Negative Power Supply

VOUT, VOUTA, VOUTB

Output

Electrical Characteristics: Unless otherwise indicated, TA = +25°C, VDD = +1.8V to +5.5V, VSS = GND, VCM = VDD/2, RL = 100 kΩ

to VDD/2 and VOUT ≈ VDD/2.

Parameters

Sym

Min

Typ

Max

Units

Conditions

Input Offset

Input Offset Voltage

VOS

–5.0

—

+5.0

VCM = VSS

Extended Temperature

VOS

–7.0

—

+7.0

TA = –40°C to +125°C (Note)

Input Offset Drift with Temperature

∆V

OS/∆TA

—±3.0

—

µV/°C

TA= –40°C to +125°C,

VCM = VSS

Power Supply Rejection

PSRR

—

VCM = VSS

Input Bias Current and Impedance

Input Bias Current:

—

±1.0

—

At Temperature

—20

—

TA = +85°C

At Temperature

—

1100

—

TA = +125°C

Input Offset Current

IOS

—

±1.0

—

Common Mode Input Impedance

ZCM

—1013||6

—

Ω||pF

Differential Input Impedance

ZDIFF

—1013||3

—

Ω||pF

Common Mode

Common Mode Input Range

VCMR

VSS – 0.3

—

VDD + 0.3

Common Mode Rejection Ratio

CMRR

—

VCM = –0.3V to 5.3V, VDD = 5V

Open-Loop Gain

DC Open-Loop Gain (large signal)

AOL

110

—

VOUT = 0.3V to VDD – 0.3V,

VCM =VSS

Output

Maximum Output Voltage Swing

VOL, VOH

VSS + 35

—

VDD – 35

RL =10 kΩ, 0.5V Output Overdrive

Output Short-Circuit Current

ISC

—±6

—

VDD = 1.8V

ISC

—±23

—

VDD = 5.5V

Power Supply

Supply Voltage

VDD

1.8

—

5.5

Quiescent Current per Amplifier

µA

IO = 0, VCM = VDD – 0.5V

Note:

The SC-70 package is only tested at +25°C.

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