参数资料
型号: AD7946BRMZ
厂商: Analog Devices Inc
文件页数: 21/24页
文件大小: 0K
描述: IC ADC 14BIT 500KSPS SAR 10-MSOP
标准包装: 50
系列: PulSAR®
位数: 14
采样率(每秒): 500k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 19mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-MSOP
包装: 管件
输入数目和类型: 1 个伪差分,单极
产品目录页面: 780 (CN2011-ZH PDF)
配用: EVAL-AD7946CBZ-ND - BOARD EVALUATION FOR AD7946
AD7946
Rev. A | Page 6 of 24
ABSOLUTE MAXIMUM RATINGS
Table 5.
Parameter
Rating
Analog Inputs
IN+1, IN1
GND 0.3 V to VDD + 0.3 V or
±130 mA
REF
GND 0.3 V to VDD + 0.3 V
Supply Voltages
VDD, VIO to GND
0.3 V to +7 V
VDD to VIO
±7 V
Digital Inputs to GND
0.3 V to VIO + 0.3 V
Digital Outputs to GND
0.3 V to VIO + 0.3 V
Storage Temperature Range
65°C to +150°C
Junction Temperature
150°C
θJA Thermal Impedance
10-Lead MSOP
200°C/W
10-Lead QFN
48.7°C/W
θJC Thermal Impedance
10-Lead MSOP
44°C/W
10-Lead QFN
2.96°C/W
Lead Temperature
Vapor Phase (60 sec)
215°C
Infrared (15 sec)
220°C
1 See the Analog Input section.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
04
65
6-
00
2
500A
IOL
500A
IOH
1.4V
TO
SDO
CL
50pF
Figure 2. Load Circuit for Digital Interface Timing
04656-003
30% VIO
70% OVDD
2V or VIO – 0.5V1
0.8V or 0.5V2
2V or OVDD – 0.5V1
tDELAY
NOTES
12V IF VIO ABOVE 2.5V, VIO – 0.5V IF VIO BELOW 2.5V.
20.8V IF VIO ABOVE 2.5V, 0.5V IF VIO BELOW 2.5V.
Figure 3. Voltage Levels for Timing
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