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MX7705EUE-T PDF预览

MX7705EUE-T

更新时间： 2024-11-26 12:59:39
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
34页 662K
描述
ADC, Delta-Sigma, 16-Bit, 1 Func, 2 Channel, Serial Access, BICMOS, PDSO16, TSSOP-16

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MX7705EUE-T 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP-16针数：16
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.4
最大模拟输入电压：1.75 V最小模拟输入电压：-1 V
转换器类型：ADC, DELTA-SIGMAJESD-30 代码：R-PDSO-G16
JESD-609代码：e0长度：5 mm
最大线性误差 (EL)：0.003%湿度敏感等级：1
模拟输入通道数量：2位数：16
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
输出位码：BINARY, OFFSET BINARY输出格式：SERIAL
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP16,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：245
电源：3/5 V认证状态：Not Qualified
采样速率：0.0384 MHz采样并保持/跟踪并保持：TRACK
座面最大高度：1.1 mm子类别：Analog to Digital Converters
标称供电电压：3 V表面贴装：YES
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm
Base Number Matches：1

MX7705EUE-T 数据手册

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19-3051; Rev 0; 10/03  
16-Bit, Low-Power, 2-Channel,  
Sigma-Delta ADC  
General Description  
Features  
The MX7705 low-power, 2-channel, serial-output ana-  
log-to-digital converter (ADC) includes a sigma-delta  
modulator with a digital filter to achieve 16-bit resolution  
with no missing codes. This ADC is pin compatible and  
software compatible with the AD7705. The MX7705 fea-  
tures an on-chip input buffer and programmable-gain  
amplifier (PGA). The device offers an SPI-/QSPI-/  
MICROWIRE-compatible serial interface.  
The MX7705 operates from a single 2.7V to 5.25V supply.  
The operating supply current is 320µA (typ) with a 3V  
supply. Power-down mode reduces the supply current to  
2µA (typ).  
ꢀ Pin Compatible and Software Compatible with the  
AD7705  
ꢀ 16-Bit Sigma-Delta ADC  
ꢀ Two Fully Differential Input Channels  
ꢀ 0.003% Integral Nonlinearity with No Missing Codes  
ꢀ Interface with Schmitt Triggers on Inputs  
ꢀ Internal Analog Input Buffers  
ꢀ PGA from 1 to 128  
ꢀ Single (2.7V to 3.6V) or (4.75V to 5.25V) Supply  
Self-calibration and system calibration allow the MX7705  
to correct for gain and offset errors. Excellent DC perfor-  
mance ( 0.003ꢀ ꢁSR IꢂN) and low noise (650nV) maꢃe  
the MX7705 ideal for measuring low-frequency signals  
with a wide dynamic range. The device accepts fully dif-  
ferential bipolar/unipolar inputs. An internal input buffer  
allows for input signals with high source impedances. An  
on-chip digital filter, with a programmable cutoff and out-  
put data rate, processes the output of the sigma-delta  
modulator. The first notch frequency of the digital filter is  
chosen to provide 150dB rejection of common-mode  
50Hz or 60Hz noise and 98dB rejection of normal-mode  
50Hz or 60Hz noise. A PGA and digital filtering allow sig-  
nals to be directly acquired with little or no signal-condi-  
tioning requirements.  
ꢀ Low Power  
1mW (max), 3V Supply  
2µA (typ) Power-Down Current  
ꢀ SPI-/QSPI-/MICROWIRE-Compatible 3-Wire Serial  
Interface  
ꢀ 16-Pin PDIP, SO, and TSSOP Packages  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
16 PDIP  
MX7705EPE*  
MX7705EWE*  
MX7705EUE  
The MX7705 is available in 16-pin PDIP, SO, and  
TSSOP pacꢃages.  
16 WIDE SO  
16 TSSOP  
Applications  
*Future product—contact factory for availability.  
Industrial Instruments  
Weigh Scales  
Strain-Gauge Measurements  
Noop-Powered Systems  
ꢁlow and Gas Meters  
Medical Instrumentation  
Pressure Transducers  
Thermocouple Measurements  
RTD Measurements  
Pin Configuration  
TOP VIEW  
SCLK  
1
2
3
4
5
6
7
8
16 GND  
15  
CLKIN  
V
DD  
CLKOUT  
CS  
14 DIN  
MX7705  
13 DOUT  
12 DRDY  
11 AIN2-  
10 REF-  
RESET  
AIN2+  
AIN1+  
AIN1-  
9
REF+  
PDIP/SO/TSSOP  
SPI/QSPI are trademarks of Motorola, Inc.  
MICROWIRE is a trademark of National Semiconductor Corp.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...34

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