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AD7821KP PDF预览

AD7821KP

更新时间: 2024-02-13 13:19:32
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 251K
描述
LC2MOS High Speed, mP-Compatible 8-Bit ADC with Track/Hold Function

AD7821KP 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:DIP
包装说明:DIP,针数:20
Reach Compliance Code:unknown风险等级:5.69
最大模拟输入电压:2.5 V最小模拟输入电压:-2.5 V
最长转换时间:0.66 µs转换器类型:ADC, FLASH METHOD
JESD-30 代码:R-GDIP-T20JESD-609代码:e0
最大线性误差 (EL):0.39%湿度敏感等级:NOT APPLICABLE
标称负供电电压:-5 V模拟输入通道数量:1
位数:8功能数量:1
端子数量:20最高工作温度:125 °C
最低工作温度:-55 °C输出位码:BINARY, OFFSET BINARY
输出格式:PARALLEL, 8 BITS封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT APPLICABLE
采样速率:1 MHz采样并保持/跟踪并保持:TRACK
座面最大高度:5.08 mm标称供电电压:5 V
表面贴装:NO技术:CMOS
温度等级:MILITARY端子面层:TIN LEAD
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT APPLICABLE
宽度:7.62 mmBase Number Matches:1

AD7821KP 数据手册

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V = +5 V ؎ 5%, GND = 0 V. Unipolar Input Range: V = GND, V (+) = 5 V,  
DD  
SS  
REF  
V (–) = GND. Bipolar Input Range: V = –5 V ؎ 5%, V (+) = 2.5 V,  
V (–) = –2.5 V. These test conditions apply unless otherwise stated. All specifications TMIN to TMAX unless otherwise noted. Specifications  
AD7821–SPECIFICATIONS  
REF  
SS  
REF  
REF  
apply for RD Mode (Pin 7 = 0 V).  
P aram eter  
K Version 1  
B, T Versions  
Units  
Com m ents  
UNIPOLAR INPUT RANGE  
Resolution2  
8
±1  
8
±1  
Bits  
LSB max  
T otal Unadjusted Error3  
Minimum Resolution for which  
No Missing Codes are Guaranteed  
8
8
Bits  
BIPOLAR INPUT RANGE  
Resolution2  
8
8
Bits  
Zero Code Error  
Full Scale Error  
±1  
±1  
45  
–50  
–50  
±1  
±1  
45  
–50  
–50  
LSB max  
LSB max  
dB min  
dB max  
dB max  
Signal-to-Noise Ratio (SNR)3  
T otal Harmonic Distortion (T HD)3  
Peak Harmonic or Spurious Noise3  
Intermodulation Distortion (IMD)3  
VIN = 99.85 kHz Full-Scale Sine Wave with fSAMPLING = 500 kHz  
VIN = 99.85 kHz Full-Scale Sine Wave with fSAMPLING = 500 kHz  
VIN = 99.85 kHz Full-Scale Sine Wave with fSAMPLING = 500 kHz  
fa (84.72 kHz) and fb (94.97 kHz) Full-Scale Sine Waves  
with fSAMPLING = 500 kHz  
–50  
–50  
1.6  
–50  
–50  
1.6  
dB max  
dB max  
V/µs max  
V/µs typ  
Second Order T erms  
T hird Order T erms  
Slew Rate, T racking3  
2.36  
2.36  
REFERENCE INPUT  
Input Resistance  
VREF(+) Input Voltage Range  
VREF(–) Input Voltage Range  
1.0/4.0  
VREF(–)/VDD  
VSS/VREF(+)  
1.0/4.0  
VREF(–)/VDD  
VSS/VREF(+)  
kmin/kmax  
V min/V max  
V min/V max  
ANALOG INPUT  
Input Voltage Range  
Input Leakage Current  
Input Capacitance  
V
±3  
55  
REF(–)/VREF(+) VREF(–)/VREF(+) V min/ max  
±3  
µA max  
–5 V VIN +5 V  
55  
pF typ  
LOGIC INPUT S  
CS, WR, RD  
VINH  
2.4  
0.8  
1
3
–1  
8
2.4  
0.8  
1
3
–1  
8
V min  
V max  
µA max  
µA max  
µA max  
pF max  
VINL  
IINH (CS, RD)  
IINH (WR)  
IINL  
Input Capacitance4  
MODE  
T ypically 5 pF  
VINH  
VINL  
IINH  
IINL  
3.5  
1.5  
200  
–1  
3.5  
1.5  
200  
–1  
V min  
V max  
µA max  
µA max  
pF max  
50 µA typ  
Input Capacitance4  
8
8
T ypically 5 pF  
LOGIC OUT PUT S  
DB0–DB7, OFL, INT  
VOH  
VOL  
4.0  
0.4  
±3  
8
4.0  
0.4  
±3  
8
V min  
ISOURCE = 360 µA  
ISINK = 1.6 mA  
Floating State Leakage  
T ypically 5 pF  
V max  
µA max  
pF max  
IOUT (DB0–DB7)  
Output Capacitance4 (DB0–DB7)  
RDY  
VOL  
IOUT  
0.4  
±3  
8
0.4  
±3  
8
V max  
µA max  
pF max  
ISINK = 2.6 mA  
Floating State Leakage  
T ypically 5 pF  
Output Capacitance4  
POWER SUPPLY  
5
IDD  
ISS  
15  
100  
50  
20  
100  
50  
mA max  
µA max  
mW typ  
LSB max  
CS = RD = 0 V  
CS = RD = 0 V  
Power Dissipation  
Power Supply Sensitivity  
±1/4  
±1/4  
±1/16 LSB typ, VDD = 4.75 V to 5.25 V,  
(VREF(+) = 4.75 V max for Unipolar Mode)  
NOT ES  
1T emperature Ranges are as follows: K Version = –40°C to +85°C; B Version = –40°C to +85°C; T Version = –55°C to +125°C.  
21 LSB = 19.53 mV for both the unipolar (0 V to +5 V) and bipolar (–2.5 V to +2.5 V) input ranges.  
3See T erminology.  
4Sample tested at +25°C to ensure compliance.  
5See T ypical Performance Characteristics.  
Specifications subject to change without notice.  
–2–  
REV. A  

AD7821KP 替代型号

型号 品牌 替代类型 描述 数据表
AD7821KPZ-REEL ADI

完全替代

High Speed, µP-Compatible, CMOS, 8-Bit Sampling ADC

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