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24-Bit, Single-Channel, Ultra-Low-Power, Delta
Sigma ADC with 2-Wire Serial Interface
MAX11202
19-5237; Rev 0; 4/10
Ordering Information
General Description
The MAX11202 is an ultra-low-power (< 300FA max
active current), high-resolution, serial output ADC. This
device provides the highest resolution per unit power in
the industry and is optimized for applications that require
very high dynamic range with low power such as sensors
on a 4mA to 20mA industrial control loop. The MAX11202
provides a high-accuracy internal oscillator that requires
no external components.
When used with the specified data rates, the internal digital
filter provides more than 80dB rejection of 50Hz or 60Hz
line noise. The MAX11202 provides a simple 2-wire serial
interface in the space-saving, 10-pin FMAXM package.
The MAX11202 operates over the -40NC to +85NC tem-
perature range.
Applications
Sensor Measurement (Temperature and
Pressure)
Portable Instrumentation
Battery Applications
Weigh Scales
Features
S
24-Bit Full-Scale Resolution
20.5-Bit Noise-Free Resolution at 13.75sps
19-Bit Noise-Free Resolution at 120sps
S
720nVRMS Noise (MAX11202B)
S
3ppm INL
S
No Missing Codes
S
Ultra-Low Power Dissipation
Operating Mode Current Drain < 300A (max)
Sleep Mode Current Drain < 0.1A
S
2.7V to 3.6V Analog Supply Voltage Range
S
1.7V to 3.6V Digital and I/O Supply Voltage Range
S
Fully Differential Signal Inputs
S
Fully Differential Reference Inputs
S
Internal System Clock
2.4576MHz (MAX11202A)
2.2528MHz (MAX11202B)
S
External Clock
S
Serial 2-Wire Interface (Clock Input and Data Output)
S
On-Demand Offset and Gain Self-Calibration
S
-40°C to +85°C Operating Temperature Range
S
±2kV ESD Protection
S
Lead(Pb)-Free and RoHS-Compliant MAX Package
Note: All devices are specified over the -40NC to +85NC oper-
ating temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
MAX is a registered trademark of Maxim Integrated Products, Inc.
Selector Guide
PART
PIN-PACKAGE
OUTPUT RATE
(sps)
MAX11202AEUB+
10 FMAX
120
MAX11202BEUB+
10 FMAX
13.75
RESOLUTION
(BITS)
4-WIRE SPI, 16-PIN QSOP,
PROGRAMMABLE GAIN
4-WIRE SPI,
16-PIN QSOP
2-WIRE SERIAL,
10-PIN MAX
24
MAX11210
MAX11200
MAX11201 (with buffers)
MAX11202 (without buffers)
20
MAX11206
MAX11207
MAX11208
18
MAX11209
MAX11211
MAX11212
16
MAX11213
MAX11203
MAX11205
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
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相关代理商/技术参数
MAX11202EUB+ 功能描述:模数转换器 - ADC 24 Bit Sigma Delta ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX11202EUB+T 功能描述:模数转换器 - ADC 24 Bit Sigma Delta ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX11203 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:16-Bit, Single-Channel, Ultra-Low-Power, Delta-Sigma ADCs with Programmable Gain and GPIO
MAX11203EEE+ 功能描述:模数转换器 - ADC 16-Bit Delta-Sigma RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX11203EEE+T 功能描述:模数转换器 - ADC 16-Bit Delta-Sigma RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX11205 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:16-Bit, Single-Channel, Ultra-Low Power, Delta-Sigma ADC with 2-Wire Serial Interface
MAX11205AEUB+ 功能描述:模数转换器 - ADC 16-Bit Delta-Sigma RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
MAX11205AEUB+T 功能描述:模数转换器 - ADC 16-Bit Delta-Sigma RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32