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MAX11040

Maxim Integrated Products
Part Number MAX11040
Manufacturer Maxim Integrated Products
Description Sigma-Delta ADC
Published Jun 14, 2009
Detailed Description 19-4302; Rev 0; 5/09 www.DataSheet4U.com ION KIT AT EVALU BLE AVAILA 24-Bit, 4-Channel, Simultaneous-Sampling, Cascada...
Datasheet PDF File MAX11040 PDF File

MAX11040
MAX11040

Overview
19-4302; Rev 0; 5/09 www.
DataSheet4U.
com ION KIT AT EVALU BLE AVAILA 24-Bit, 4-Channel, Simultaneous-Sampling, Cascadable, Sigma-Delta ADC General Description Features ♦ Four Fully Differential Simultaneously Sampled Channels ♦ Cascadable for Up to 32 Channels of Simultaneous Sampling ♦ 106dB SNR at 16ksps ♦ 117dB SNR at 1ksps ♦ 0.
25% Error Over a 1000:1 Dynamic Range, Processed Over 16.
7ms ♦ ±2.
2V Full-Scale Input Range ♦ ±6V Overvoltage Protected Inputs ♦ Internal Crystal Oscillator ♦ 2.
5V, 50ppm/°C Internal Reference or External Reference ♦ Programmable Output Data Rate 0.
25ksps to 64ksps Range 0.
065% Resolution ♦ Programmable Sampling Phase 0 to 333µs Delay in 1.
33µs Steps ♦ SPI-/QSPI-/MICROWIRE-/DSP-Compatible 4-Wire Serial Interface ♦ Cascadable Interface Allows Control of Up to Eight Devices with a Single CS Signal ♦ 3.
0V to 3.
6V Analog Supply Voltage ♦ 2.
7V to VAVDD Digital Supply Voltage ♦ 38-Pin TSSOP Package MAX11040 The MAX11040 is a 24-bit, 4-channel, simultaneoussampling, sigma-delta analog-to-digital converter (ADC).
The device allows simultaneous sampling of as many as 32 channels using a built-in cascade feature to synchronize as many as eight devices.
The serial interface of the MAX11040 allows reading data from all the cascaded devices using a single command.
Four modulators simultaneously convert each fully differential analog input with a programmable data output rate ranging from 0.
25ksps to 64ksps.
The device achieves 106dB SNR at 16ksps and 117dB SNR at 1ksps.
The MAX11040 operates from a single +3V supply.
The differential analog input range is ±2.
2V when using the internal reference, an external reference is optional.
Each input is overvoltage protected up to ±6V without damage.
The device uses an internal crystal oscillator or an external source for clock.
The MAX11040 is compatible with SPI™, QSPI™, MICROWIRE™, and DSP-compatible 4-wire serial interfaces.
An on-board interface logic allows one serial interface (with a single chip sele...


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