参数资料
型号: AD7492ARZ-REEL
厂商: Analog Devices Inc
文件页数: 19/24页
文件大小: 0K
描述: IC ADC 12BIT W/REF W/CLK 24-SOIC
标准包装: 1,000
位数: 12
采样率(每秒): 1.25M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 16.5mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 带卷 (TR)
输入数目和类型: 1 个单端,单极
配用: EVAL-AD7492CBZ-ND - BOARD EVALUATION FOR AD7492
AD7492
Rev. A | Page 4 of 24
Parameter
A Version1
B Version1
Unit
Test Conditions/Comments
CONVERSION RATE
Conversion Time
680
ns max
Track/Hold Acquisition Time
120
ns min
Throughput Rate
1.25
MSPS max
Conversion time + acquisition
time
POWER REQUIREMENTS
VDD
4.75/5.25
V min/max
IDD
Digital I/Ps = 0 V or DVDD
Normal Mode
3.3
mA max
fS = 1.25 MSPS, typ 2.75 mA
Quiescent Current
1.8
mA max
Partial Sleep Mode
250
μA max
Static, typ 190 μA
Full Sleep Mode
1
μA max
Static, typ 200 nA
Power Dissipation4
Digital I/Ps = 0 V or DVDD
Normal Mode
16.5
mW max
Partial Sleep Mode
1.25
mW max
Full Sleep Mode
5
μW max
1 Temperature ranges as follows: A and B Versions: 40°C to +85°C.
2 VINH and VINL trigger levels are set by the VDRIVE voltage. The logic interface circuitry is powered by VDRIVE.
3 Sample tested @ 25°C to ensure compliance.
4 See the Power vs. Throughput section.
AD7492/AD7492-4
VDD = 2.7 V to 5.25 V, TA = TMIN to TMAX, unless otherwise noted.1
Table 2.
Parameter
A Version2
B Version2
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fS = 1 MSPS for AD7492
fS = 400 kSPS for AD7492-4
Signal-to-Noise and Distortion (SINAD)
69
dB typ
fIN = 500 kHz sine wave3
68
dB min
fIN = 100 kHz sine wave
Signal-to-Noise Ratio (SNR)
70
dB typ
fIN = 500 kHz sine wave3
68
dB min
fIN = 100 kHz sine wave
Total Harmonic Distortion (THD)
85
dB typ
fIN = 500 kHz sine wave3
87
dB typ
fIN = 100 kHz sine wave
75
dB max
fIN = 100 kHz sine wave
Peak Harmonic or Spurious-Free
Dynamic Noise (SFDR)
86
dB typ
fIN = 500 kHz sine wave3
90
dB typ
fIN = 100 kHz sine wave
76
dB max
fIN = 100 kHz sine wave
Intermodulation Distortion (IMD)
Second Order Terms
77
dB typ
fIN = 500 kHz sine wave3
90
dB typ
fIN = 100 kHz sine wave
Third Order Terms
69
dB typ
fIN = 500 kHz sine wave3
88
dB typ
fIN = 100 kHz sine wave
Aperture Delay
5
ns typ
Aperture Jitter
15
ps typ
Full Power Bandwidth
10
MHz typ
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