参数资料
型号: AD7946BRMZ
厂商: Analog Devices Inc
文件页数: 19/24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 4 of 24
VDD = 4.5 V to 5.5 V, VIO = 2.3 V to VDD, REF = VDD, TA = 40°C to +85°C, unless otherwise noted.
Table 3.
Parameter
Conditions
Min
Typ
Max
Unit
REFERENCE
Voltage Range
0.5
VDD + 0.3
V
Load Current
500 kSPS, REF = 5 V
100
μA
SAMPLING DYNAMICS
3 dB Input Bandwidth
9
MHz
Aperture Delay
VDD = 5 V
2.5
ns
DIGITAL INPUTS
Logic Levels
VIL
0.3
0.3 × VIO
V
VIH
0.7 × VIO
VIO + 0.3
V
IIL
1
+1
μA
IIH
1
+1
μA
DIGITAL OUTPUTS
Data Format
Serial 14-bits straight binary
Pipeline Delay
Conversion results available immediately
after completed conversion
VOL
ISINK = +500 μA
0.4
V
VOH
ISOURCE = 500 μA
VIO 0.3
V
POWER SUPPLIES
VDD
Specified performance
4.5
5.5
V
VIO
Specified performance
2.3
VDD + 0.3
V
VIO Range
1.8
VDD + 0.3
V
Standby Current1, 2
VDD and VIO = 5 V, 25°C
1
50
nA
Power Dissipation
VDD = 5 V, 100 SPS throughput
3.3
μW
VDD = 5 V, 100 kSPS throughput
3.3
3.8
mW
VDD = 5 V, 500 kSPS throughput
19
mW
TEMPERATURE RANGE3
Specified Performance
TMIN to TMAX
40
+85
°C
1 With all digital inputs forced to VIO or GND as required.
2 During acquisition phase.
3 Contact sales for extended the temperature range.
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