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MAX11270EUG+T

产品描述Analog to Digital Converters - ADC 24-bit, 64ksps, SINC filter, no raw modulator output, 4 GPIOs, SNR, and THD
产品类别半导体    模拟混合信号IC   
文件大小720KB,共47页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
标准
下载文档 详细参数 全文预览

MAX11270EUG+T概述

Analog to Digital Converters - ADC 24-bit, 64ksps, SINC filter, no raw modulator output, 4 GPIOs, SNR, and THD

MAX11270EUG+T规格参数

参数名称属性值
Product AttributeAttribute Value
制造商
Manufacturer
Maxim(美信半导体)
产品种类
Product Category
Analog to Digital Converters - ADC
RoHSDetails
系列
Packaging
Reel
产品
Product
Analog to Digital Converters
工厂包装数量
Factory Pack Quantity
2500

文档预览

下载PDF文档
EVALUATION KIT AVAILABLE
MAX11270
24-Bit, 10mW, 130dB SNR, 64ksps Delta-Sigma
ADC with Integrated PGA
General Description
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/√Hz
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.
Features and Benefits
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
Longer Battery Life for Portable Applications
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)
Single or Split Analog Supplies Provide Input Voltage
Range Flexibility
2.7V to 3.6V (Single Supply) or
±1.8V (Split Supplies)
Flexible High-Performance Filter Architecture
Simplifies Design
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
Enables Integrated Part and System Calibration for
Gain and Offset
Robust 24-Pin TSSOP Packaging
Applications
Scientific Instrumentation
High-Precision Portable Sensors
Medical Equipment
ATE
Ordering Information
and
Functional Diagram
appear at
end of data sheet.
Typical Application Circuit
2.7V TO 3.6V
REF
10nF
1µF
2.0V TO 3.6V
REFN
REFP
AVDD
DVDD
RSTB
1µF
AINP
10nF
C0G
AINN
SYNC
CSB
µC
MAX11270
SCLK
DIN
DOUT
RDYB
GPIO3 GPI02 GPI01
CAPP
CAPN
CAPREG AVSS
1µF
0603
X7R
AVSS
DGND
10nF
C0G
19-7048; Rev 1; 5/15

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