MCP6421 datasheet(3/34 Pages) MICROCHIP

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 2013 Microchip Technology Inc.

DS25165A-page 3

MCP6421

1.0

ELECTRICAL CHARACTERISTICS

1.1

Absolute Maximum Ratings †

VDD – VSS ......................................................................................................................................................................................... 6.5V

Current at Analog Input Pins (VIN+, VIN-) ....................................................................................................................................... ±2 mA

Analog Inputs (VIN+, VIN-)†† ............................................................................................................................VSS – 1.0V to VDD + 1.0V

All Other 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)

  4kV; 400V

† Notice: Stresses above those listed under “Absolute 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 peri-

ods may affect device reliability.

†† See Section 4.1.2 “Input Voltage Limits”.

1.2

Specifications

TABLE 1-1:

DC ELECTRICAL SPECIFICATIONS

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

VOUT =VDD/2, VL =VDD/2, RL = 100 k to VL and CL = 30 pF (refer to Figure 1-1).

Parameters

Sym

Min

Typ

Max

Units

Conditions

Input Offset

Input Offset Voltage

VOS

-1.0

—

1.0

VDD = 3.0V; VCM =VDD/

Input Offset Drift with Temperature

V

OS/TA

—±3.0—

µV/°C TA= -40°C to +125°C,

VCM = VSS

Power Supply Rejection Ratio

PSRR

—

VCM = VSS

Input Bias Current and Impedance

Input Bias Current

—±1

—20—

TA = +85°C

—800

—

TA = +125°C

Input Offset Current

IOS

—±1

—

Common Mode Input Impedance

ZCM

—1013||12

—

||pF

Differential Input Impedance

ZDIFF

—1013||12

—

|pF

Common Mode

Common Mode Input Voltage Range

VCMR

VSS -0.3

—

VDD +0.3

Common Mode Rejection Ratio

CMRR

—

VDD = 5.5V

VCM = -0.3V to 5.8V

—

VDD = 1.8V

VCM = -0.3V to 2.1V

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