MCP47DA1 datasheet(5/76 Pages) MICROCHIP

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 2012-2013 Microchip Technology Inc.

DS25118D-page 5

MCP47DA1

Output Amplifier

Minimum Output

Voltage

VOUT(MIN)

—VREF / 3

—

Device Output minimum drive

Maximum Output

Voltage

VOUT(MAX)

—2 * VREF/3

—

Device Output maximum drive

Phase Margin

—

Degree (°) CL = 400 pF, RL = 

Slew Rate

—

0.55

—

V/µs

Short Circuit

Current

ISC

515

Settling Time

tSETTLING

—6

—

µs

External Reference (VREF) (Note 3)

Input Capacitance

CVREF

—7

—

Total Harmonic

Distortion

THD

—

-73

—

VREF = 1.65V ± 0.1V,

Frequency = 1 kHz

Dynamic Performance (Note 3)

Major Code

Transition Glitch

—

nV-s

1 LSb change around major carry

(40h to 3Fh)

Digital

Feedthrough

—<10

—

nV-s

AC/DC CHARACTERISTICS (CONTINUED)

DC Characteristics

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. CL = 1 nF, RL = 5 k .

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

Parameters

Sym.

Min.

Typ.

Max.

Units

Conditions

Note 1:

Resistance is defined as the resistance between the VREF pin and the VSS pin.

INL and DNL are measured at VOUT from Code = 20h (Zero Scale) through Code = 60h (Full Scale).

This specification by design.

Non-linearity is affected by wiper resistance (RW), which changes significantly over voltage and

temperature.

POR/BOR is not rate dependent.

Supply current is independent of VREF current.

See Section 7.1.3.

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