MAX11270EUG+ by Analog Devices

24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma ADC with Integrated PGA


The MAX11270 is a 24-bit delta-sigma ADC that achieves excellent 130dB SNR while dissipating an ultra-low 10mW. Sample rates up to 64ksps allow both precision DC and AC measurements. Integral nonlinearity is guaranteed to 4ppm maximum. The THD is -122dB. The MAX11270 communicates via an SPI-compatible serial interface and is available in a small 24-pin TSSOP package. The MAX11270 offers a 6.5nV/ noise programmable gain amplifier with gain settings between 1x to 128x. Optional buffers are also included to provide isolation of the signal inputs from the switched capacitor sampling network. This allows the MAX11270 to be used with high-impedance sources without compromising available dynamic range. The MAX11270 operates from a single 2.7V to 3.6V analog supply, or split ±1.8V analog supplies, allowing the analog input to be sampled below ground. The digital supply range is 2.0V to 3.6V, allowing communication with 2.5V, 3V, or 3.3V logic.

Where to Buy

Prices starting from US$5.81

Distributor Stock
Logo for RS
RS
from US$13.26
52
in stock
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Logo for Analog Devices
Analog Devices
from US$7.86
390
in stock
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Newark Electronics
from US$10.76
45
in stock
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element14
from US$9.97
45
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CoreStaff
from US$5.81
45
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Farnell
from US$9.71
45
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Features

High Resolution for Instrumentation Applications that Require a Wide Dynamic Range 130dB SNR at 1.9sps 112dB SNR at 1000sps 20.4-Bit Noise-Free Resolution at 1.9sps 17.4-Bit Noise-Free Resolution at 1000sps
130dB SNR at 1.9sps
112dB SNR at 1000sps
20.4-Bit Noise-Free Resolution at 1.9sps
17.4-Bit Noise-Free Resolution at 1000sps
Longer Battery Life for Portable Applications 2.4mA Operating Mode Current 4.4mA PGA Low-Noise Mode Current 1µA Sleep Current
2.4mA Operating Mode Current
4.4mA PGA Low-Noise Mode Current
1µA Sleep Current
High Accuracy for DC Measurements 1ppm INL (typ), 4ppm (max)
1ppm INL (typ), 4ppm (max)
Single or Split Analog Supplies Provide Input Voltage Range Flexibility 2.7V to 3.6V (Single Supply) or ±1.8V (Split Supplies)
2.7V to 3.6V (Single Supply) or ±1.8V (Split Supplies)
Flexible High-Performance Filter Architecture Simplifies Design Programmable SINC Filter
Programmable SINC Filter
Enables System Integration Low-Noise PGA with Gains of 1, 2, 4, 8, 16, 32, 64, 128 Signal Buffer Optional 3 General-Purpose I/Os
Low-Noise PGA with Gains of 1, 2, 4, 8, 16, 32, 64, 128
Signal Buffer Optional
3 General-Purpose I/Os
Enables Integrated Part and System Calibration for Gain and Offset
Robust 24-Pin TSSOP Packaging

Specifications

Resolution (bits) (ADC) 24
# Input Channels 1
Conv. Rate (ksps) (max) 64
Data Bus SPI
ADC Architecture Sigma-Delta
Diff/S.E. Input Both
External VREF (V) (min) 0
External VREF (V) (max) 3.6
Unipolar VIN (V) (max) 3.6
Bipolar VIN (±V) (max) 1.8
Package/Pins TSSOP/24
BudgetaryPrice (See Notes) 7.35


MAX11270EUG+ - Integrated Circuits by Analog Devices

ADC 1-CH DELTA-SIGMA 24BIT TSSOP-24

Status: Unknown
Series: Single 24-Bit Sigma-Delta ADCs
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Resolution (Bits) 24bit
Sampling Rate 64kSPS
Input Channel Type Differential
Data Interface SPI
Supply Voltage Type Dual (+/-)
Supply Voltage Min 2.7V
Supply Voltage Max 3.6V
ADC / DAC Case Style TSSOP
No. of Pins 24Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range Single 24-Bit Sigma-Delta ADCs
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

24-bit, 64ksps, SINC filter, n | Analog Devices
2.7-3.6V 4.5-5.5V 4/8/12Ch 2Wire ADC | RS
Adc, 1-Ch, Delta-Sigma, 24Bit, Tssop-24 | Newark Electronics
ADC, 1-CH, DELTA-SIGMA, 24BIT, TSSOP-24 | element14

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX11270EUG+ ?

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Is the MAX11270EUG+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX11270EUG+ have stock available?

Authorised distributors including Analog Devices, RS, Newark Electronics, element14 and CoreStaff have stock available or on a lead time for MAX11270EUG+ .

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