参数资料
型号: AD9042ASTZ
厂商: Analog Devices Inc
文件页数: 19/24页
文件大小: 0K
描述: IC ADC 12BIT 41MSPS 44-TQFP
标准包装: 1
位数: 12
采样率(每秒): 41M
数据接口: 并联
转换器数目: 3
功率耗散(最大): 735mW
电压电源: 模拟和数字,双 ±
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 44-LQFP
供应商设备封装: 44-LQFP(10x10)
包装: 托盘
输入数目和类型: 1 个单端,双极
产品目录页面: 780 (CN2011-ZH PDF)
AD9042
Rev. B | Page 4 of 24
SWITCHING SPECIFICATIONS
AVCC = DVCC = 5 V; ENCODE and ENCODE = 41 MSPS; VREF tied to VOFFSET through 50 Ω; TMIN = 40°C, TMAX = +85°C.
Table 2.
Parameter1
Temperature
Test Level
Min
Typ
Max
Unit
Maximum Conversion Rate
Full
VI
41
MSPS
Minimum Conversion Rate
Full
IV
5
MSPS
Aperture Delay (tA)
25°C
V
250
ps
Aperture Uncertainty (Jitter)
25°C
V
0.7
ps rms
ENCODE Pulse Width High
25°C
IV
10
ns
ENCODE Pulse Width Low
25°C
IV
10
ns
Output Delay (tOD)
Full
IV
5
9
14
ns
1 C1 (Pin 10) tied to GND through a 0.01 μF capacitor.
AC SPECIFICATIONS
AVCC = DVCC = 5 V; ENCODE and ENCODE = 41 MSPS; VREF tied to VOFFSET through 50 Ω; TMIN = 40°C, TMAX = +85°C.
Table 3.
Parameter1, 2
Temp
Test Level
Min
Typ
Max
Units
Analog Input at 1 dBFS
1.2 MHz
25°C
V
68
dB
Full
V
67.5
dB
9.6 MHz
25°C
V
67.5
dB
Full
V
67
dB
19.5 MHz
25°C
I
64
67
dB
Full
V
66.5
dB
Analog Input at 1 dBFS
1.2 MHz
25°C
V
67.5
dB
Full
V
67
dB
9.6 MHz
25°C
V
67.5
dB
Full
V
67
dB
19.5 MHz
25°C
I
64
67
dB
Full
V
66.5
dB
WORST SPUR5
Analog Input at 1 dBFS
1.2 MHz
25°C
V
80
dBc
Full
V
78
dBc
9.6 MHz
25°C
V
80
dBc
Full
V
78
dBc
19.5 MHz
25°C
I
73
80
dBc
Full
V
78
dBc
SMALL SIGNAL SFDR (WITH DITHER)6
Analog Input
1.2 MHz
Full
V
90
dBFS
9.6 MHz
Full
V
90
dBFS
19.5 MHz
Full
V
90
dBFS
TWO-TONE IMD REJECTION7
F1, F2 @ –7 dBFS
Full
V
80
dBc
TWO-TONE SFDR (WITH DITHER)8
Full
V
90
dBFS
THERMAL NOISE
25°C
V
0.33
LSB rms
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