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ADC78H89EVAL PDF预览

ADC78H89EVAL

更新时间: 2024-01-11 13:51:23
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器
页数 文件大小 规格书
16页 826K
描述
7-Channel, 500 KSPS, 12-Bit A/D Converter

ADC78H89EVAL 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP-16针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:6 weeks
风险等级:0.91Is Samacsys:N
最大模拟输入电压:5.25 V最小模拟输入电压:
最长转换时间:1.625 µs转换器类型:ADC, SUCCESSIVE APPROXIMATION
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:5 mm最大线性误差 (EL):0.0244%
湿度敏感等级:1模拟输入通道数量:7
位数:12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
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):260电源:3/5 V
认证状态:Not Qualified采样速率:0.5 MHz
采样并保持/跟踪并保持:TRACK座面最大高度:1.2 mm
子类别:Analog to Digital Converters最大压摆率:2.3 mA
最小供电电压:2.7 V标称供电电压:3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
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 mmBase Number Matches:1

ADC78H89EVAL 数据手册

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Block Diagram  
20061607  
Pin Descriptions and Equivalent Circuits  
Pin No.  
ANALOG I/O  
5 - 11  
Symbol  
Equivalent Circuit  
Description  
AIN1 to AIN7  
NC  
Analog inputs. These signals can range from 0V to AVDD.  
This pin is not connected internally, and can be left floating,  
or tied to ground.  
2
DIGITAL I/O  
Digital clock input. The range of frequencies for this input is  
50 kHz to 8 MHz, with guaranteed performance at 8 MHz.  
This clock directly controls the conversion and readout  
processes.  
16  
SCLK  
Digital data output. The output samples are clocked out of this  
pin on falling edges of the SCLK pin.  
15  
14  
1
DOUT  
DIN  
Digital data input. The ADC78H89’s Control Register is  
loaded through this pin on rising edges of the SCLK pin.  
Chip select. On the falling edge of CS, a conversion process  
begins. Conversions continue as long as CS is held low.  
CS  
POWER SUPPLY  
Positive analog supply pin. This pin should be connected to a  
quiet +2.7V to +5.25V source and bypassed to GND with 0.1  
µF ceramic monolithic and 1 µF tantalum capacitors located  
within 1 cm of the power pin.  
3
AVDD  
DVDD  
GND  
Positive digital supply pin. This pin should be connected to a  
+2.7V to AVDD supply, and bypassed to GND with a 0.1 µF  
ceramic monolithic capacitor located within 1 cm of the power  
pin.  
13  
The ground return for both analog and digital supplies. These  
pins are tied directly together internally, so must be connected  
to the same potential. If any potential exists across these  
pins, large currents will flow through the device.  
4, 12  
www.national.com  
2

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