MCP47CMB02 datasheet(12/124 Pages) MICROCHIP

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MCP47CXBXX

DS20006089B-page 12

 2018-2019 Microchip Technology Inc.

DC CHARACTERISTICS (CONTINUED)

Standard Operating Conditions (unless otherwise specified):

Operating Temperature: -40°C

 TA  +125°C (Extended)

All parameters apply across the specified operating ranges unless noted.

VDD = +2.7V to 5.5V, VREF = +1.000V to VDD, VSS =0V, RL =2 k from VOUT to GND, CL = 100 pF.

Typical specifications represent values for VDD =5.5V, TA =+25°C.

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

External Reference (VREF)

Input Range(1)

VREF

VSS

—VDD

VRxB:VRxA = 10

(Unbuffered mode)

Input Capacitance

CREF

—29

—

VRxB:VRxA = 10

(Unbuffered mode)

Input Impedance

See

Resistor Ladder Resistance(6)



2.7V

 VDD  5.5V,

VRxB:VRxA = 10, VREF  VDD

Current through VREF(1)

IVREF

—

172.15

µA

Mathematically from RVREF(min)

spec (at 5.5V)

Total Harmonic

Distortion(1)

THD

—

-76

—

VREF = 2.048V ± 0.1V,

VRxB:VRxA = 10, Gx = 0,

Frequency = 1 kHz

Dynamic Performance

Major Code Transition Glitch

(see C.14 “Major Code

Transition Glitch”)

—

nV-s

1 LSb change around major carry

(7FFh to 800h)

Digital Feedthrough (see C.15

“Digital Feedthrough”)

——

—

nV-s

Note 1

This parameter is ensured by design.

Note 6

Resistance is defined as the resistance between the VREF pin (mode VRxB:VRxA = 10) to the VSS pin.

For dual channel devices (MCP47CXBX2), this is the effective resistance of each resistor ladder. The

resistance measurement is one of the two resistor ladders measured in parallel.

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