P1/29

Rev. M, May 2010

ML5012

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◆ Features

4-pins Serial control interface CS, DIN, DOUT, SCK

Operates with 3.3V or analog adjusted voltage

reference

Differential Input Programmable Gain Amplifier

(PGA) : 0 ~40.25dB

Channel selectable

Differential & Single End input mode

0V to VDD input range with single 2.2V to 5.0V

power supply

4 MOSFET switch for external loads on/off

MCU programmalbe AD clock frequency from 1M to

7.8Khz and AD startup time.

Successive AD conversion mode

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◆ Applications

General Metering Application

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◆ General Description

The ML5012 is CMOS 12-bit SAR A/D converter, Differential Input Programmable Gain Amplifier and four MOSFET

ON/OFF switches. A 4-pin serial control interface is easy to communicate with MCU.

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◆ Key Specification

Resolution

12 Bits

Total Unadjusted Error

+/- 6 LSB

Single Voltage Supply

2.2V ~ 5.0V

A/D Conversion Time

15 ADCLK

Comparison Time

15 ADCLK

MOSFET Current

5mA

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◆Ordering Information

Item

Package

Shipping

ML5012

Dice Form

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◆ Absolute Maximum Ratings

Parameter

Symbol

Ratings

Units

Supply Voltage

VDD

-0.3 ~ 5.5

V

Input Voltage at any pin

VIN

-0.3 ~ VDD + 0.3

V

Output Voltage

VIO

VSS-0.3 ~ VIN+0.3

V

Operation Ambient Temperature

Topr

-20 ~ +70

˚C

Storage Temperature

Tstg

-40 ~ +90

˚C