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5962-8951801RA 参数 Datasheet PDF下载

5962-8951801RA图片预览
型号: 5962-8951801RA
PDF下载: 下载PDF文件 查看货源
内容描述: [High Speed, µP-Compatible, CMOS, 8-Bit Sampling ADC]
分类和应用: 转换器
文件页数/大小: 16 页 / 290 K
品牌: ADI [ ADI ]
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VDD = +5 V ؎ 5%, GND = 0 V. Unipolar Input Range: VSS = GND, VREF(+) = 5 V,  
REF(–) = GND. Bipolar Input Range: VSS = –5 V ؎ 5%, VREF(+) = 2.5 V,  
VREF(–) = –2.5 V. These test conditions apply unless otherwise stated. All specifications TMIN to TMAX unless otherwise noted. Specifications  
apply for RD Mode (Pin 7 = 0 V).  
V
AD7821–SPECIFICATIONS  
Parameter  
K Version1  
B, T Versions  
Unit  
Comments  
UNIPOLAR INPUT RANGE  
Resolution2  
8
1
8
1
Bits  
LSB max  
Total 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  
Total Harmonic Distortion (THD)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 Terms  
Third Order Terms  
Slew Rate, Tracking3  
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  
VREF(–)/VREF(+) VREF(–)/VREF(+) V min/ max  
3
3
55  
µA max  
pF typ  
–5 V VIN +5 V  
55  
LOGIC INPUTS  
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  
Typically 5 pF  
VINH  
VINL  
3.5  
1.5  
200  
–1  
3.5  
1.5  
200  
–1  
V min  
V max  
µA max  
µA max  
pF max  
IINH  
IINL  
50 µA typ  
Input Capacitance4  
8
8
Typically 5 pF  
LOGIC OUTPUTS  
DB0–DB7, OFL, INT  
VOH  
VOL  
4.0  
0.4  
3
4.0  
0.4  
3
V min  
ISOURCE = 360 µA  
ISINK = 1.6 mA  
Floating State Leakage  
Typically 5 pF  
V max  
µA max  
pF max  
IOUT (DB0–DB7)  
Output Capacitance4 (DB0–DB7)  
8
8
RDY  
VOL  
IOUT  
0.4  
3
8
0.4  
3
8
V max  
µA max  
pF max  
ISINK = 2.6 mA  
Floating State Leakage  
Typically 5 pF  
Output Capacitance4  
POWER SUPPLY  
5
IDD  
ISS  
20  
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)  
NOTES  
1Temperature 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 Terminology.  
4Sample tested at +25°C to ensure compliance.  
5See Typical Performance Characteristics.  
Specifications subject to change without notice.  
–2–  
REV. B