参数资料
型号: AD73311LARSZ
厂商: Analog Devices Inc
文件页数: 33/36页
文件大小: 0K
描述: IC PROCESSOR FRONT END LP 20SSOP
标准包装: 66
位数: 16
通道数: 2
功率(瓦特): 50mW
电压 - 电源,模拟: 3V
电压 - 电源,数字: 3V
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 管件
AD73311
–6–
REV. B
Table III. Signal Ranges
3 V Power Supply
5 V Power Supply
5VEN = 0
5VEN = 1
VREFCAP
1.2 V
± 10%
1.2 V
2.4 V
VREFOUT
1.2 V
± 10%
1.2 V
2.4 V
ADC
Maximum Input Range
at VIN
1.578 V p-p
3.156 V p-p
Nominal Reference Level
1.0954 V p-p
2.1908 V p-p
DAC
Maximum Voltage
Output Swing
Single-Ended
1.578 V p-p
3.156 V p-p
Differential
3.156 V p-p
6.312 V p-p
Nominal Voltage
Output Swing
Single-Ended
1.0954 V p-p
2.1908 V p-p
Differential
2.1909 V p-p
4.3818 V p-p
Output Bias Voltage
VREFOUT
TIMING CHARACTERISTICS
Limit at
Parameter
TA = –40 C to +85 C
Unit
Description
Clock Signals
See Figure 1
t1
61
ns min
MCLK Period
t2
24.4
ns min
MCLK Width High
t3
24.4
ns min
MCLK Width Low
Serial Port
See Figures 3 and 4
t4
t1
ns min
SCLK Period
t5
0.4
× t1
ns min
SCLK Width High
t6
0.4
× t1
ns min
SCLK Width Low
t7
20
ns min
SDI/SDIFS Setup Before SCLK Low
t8
0
ns min
SDI/SDIFS Hold After SCLK Low
t9
10
ns max
SDOFS Delay from SCLK High
t10
10
ns min
SDOFS Hold After SCLK High
t11
10
ns min
SDO Hold After SCLK High
t12
10
ns max
SDO Delay from SCLK High
t13
30
ns max
SCLK Delay from MCLK
(AVDD = +3 V
10%; DVDD = +3 V
10%; AGND = DGND = 0 V; TA = TMlN to TMAX, unless
otherwise noted)
Table II. Current Summary (AVDD = DVDD = +5.5 V)
Analog
Internal Digital
External Interface
MCLK
Conditions
Current Current
Current
Total Current
SE
ON
Comments
ADC On Only
8.5
6
2
16.5
1
YES
REFOUT Disabled
ADC and DAC On
14.5
6
2
22.5
1
YES
REFOUT Disabled
REFCAP On Only
0.8
0
1.0
0
NO
REFOUT Disabled
REFCAP and
REFOUT On Only
3.5
0
3.5
0
NO
All Sections Off
0
1.5
0
1.7
0
YES
MCLK Active Levels Equal to
0 V and DVDD
All Sections Off
0
0.01
0
0.02
0
NO
Digital Inputs Static and
Equal to 0 V or DVDD
The above values are in mA and are typical values unless otherwise noted.
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