MAX11200EEE データシートの表示（PDF） - Maxim Integrated

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MAX11200EEE

24-Bit, Single-Channel, Ultra-Low-Power, Delta-Sigma ADCs with GPIO

Maxim Integrated 

EVALUATION KIT AVAILABLE

MAX11200/MAX11210

24-Bit, Single-Channel, Ultra-Low-Power,

Delta-Sigma ADCs with GPIO

General Description

The MAX11200/MAX11210 are ultra-low-power (< 300FA

active current), high-resolution, serial output ADCs. These

devices provide the highest resolution per unit power in

the industry, and are optimized for applications that

require very high dynamic range with low power, such as

sensors on a 4mA to 20mA industrial control loop. Optional

input buffers provide isolation of the signal inputs from the

switched capacitor sampling network allowing these con-

verters to be used with high-impedance sources without

compromising available dynamic range or linearity. The

devices provide a high-accuracy internal oscillator that

requires no external components. When used with the

specified data rates, the internal digital filter provides

more than 100dB rejection of 50Hz or 60Hz line noise.

The devices are configurable using the SPI interface and

are available in a 16-pin QSOP package.

Applications

Sensor Measurement (Temperature and Pressure)

Portable Instrumentation

Battery Applications

Weigh Scales

QSPI is a trademark of Motorola, Inc.

MICROWIRE is a registered trademark of National

Semiconductor Corp.

µMAX is a registered trademark of Maxim Integrated Products, Inc.

Functional Diagram

Benefits and Features

●● Minimize Power Consumption with Ultra-Low Power

Dissipation

• Operating-Mode Current Drain < 300µA (max)

• Sleep-Mode Current Drain < 0.4µA

●● Improve Measurement Quality with Excellent DC/AC

Accuracy

• 24.0-Bit ENOB at 5sps

20.9-Bit Noise-Free Resolution at 10sps

19-Bit Noise-Free Resolution at 120sps

• 570nVRMS Noise at 10sps, ±3.6VFS Input

• 1ppm INL (typ), 10ppm (max) and No Missing Codes

●● Lower System Cost with Integrated Functionality

• Programmable Gain (1 to 16) (MAX11210)

• Four SPI-Controlled GPIOs for External Mux Control

• Optional Input Buffers on Both Signal and

Reference Inputs

• > 100dB (min) 50Hz/60Hz Rejection

●● Increase System Accuracy with Built-In Self Calibration

• On-Demand Offset and Gain Self-Calibration and

System Calibration

• User-Programmable Offset and Gain Registers

●● Increase System Robustness and Reliability with

±2kV ESD Protection

●● 2.7V to 3.6V Analog Supply Range

●● 1.7V to 3.6V Digital and I/O Supply Range

●● -40°C to 85°C Operating Temperature Range

AVDD

DVDD

GND

AINP

AINN

REFP

REFN

TIMING

CLOCK GENERATOR

CLK

3RD-ORDER

DELTA-SIGMA

MODULATOR

DIGITAL FILTER

(SINC4)

PROGRAMMABLE

GAIN*

(1–16)

DIGITAL LOGIC

AND SERIAL-

INTERFACE

CONTROLLER

GPIO

MAX11200

MAX11210

CS

SCLK

DIN

RDY/DOUT

GPIO1

GPIO2

GPIO3

GPIO4

*PROGRAMMABLE GAIN ONLY AVAILABLE ON THE MAX11210.

19-5332; Rev 2; 12/14

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