参数资料
型号: AD7922ARMZ-REEL
厂商: Analog Devices Inc
文件页数: 29/32页
文件大小: 0K
描述: IC ADC DUAL 12BIT 2CH 8MSOP
标准包装: 3,000
位数: 12
采样率(每秒): 1M
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 20mW
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: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极
配用: EVAL-AD7922CBZ-ND - BOARD EVAL FOR AD7922
AD7912/AD7922
Rev. 0 | Page 6 of 32
Parameter
A Grade1
Unit
Test Conditions/Comments
LOGIC OUTPUTS
Output High Voltage, VOH
VDD 0.2
V min
ISOURCE = 200 A; VDD = 2.35 V to 5.25 V
Output Low Voltage, VOL
0.2
V max
ISINK = 200 A
Floating-State Leakage Current
±0.3
A max
Floating-State Output Capacitance3
5
pF max
Output Coding
Straight (natural) binary
CONVERSION RATE
Conversion Time
888
ns max
16 SCLK cycles with SCLK at 18 MHz
Track-and-Hold Acquisition Time2
290
ns max
Throughput Rate
1
MSPS max
POWER REQUIREMENTS
VDD
2.35/5.25
V min/max
IDD
Digital I/Ps = 0 V or VDD
Normal Mode (Static)
3
mA typ
VDD = 4.75 V to 5.25 V, SCLK on or off
1.5
mA typ
VDD = 2.35 V to 3.6 V, SCLK on or off
Normal Mode (Operational)
4
mA max
VDD = 4.75 V to 5.25 V, fSAMPLE = 1 MSPS
2
mA max
VDD = 2.35 V to 3.6 V, fSAMPLE = 1 MSPS
Full Power-Down Mode (Static)
1
A max
SCLK on or off, typically 50 nA
Full Power-Down Mode (Dynamic)
0.5
mA typ
VDD = 5 V, fSCLK = 18 MHz, fSAMPLE = 100 kSPS
0.28
mA typ
VDD = 3 V, fSCLK = 18 MHz, fSAMPLE = 100 kSPS
Power Dissipation4
Normal Mode (Operational)
20
mW max
VDD = 5 V, fSAMPLE = 1 MSPS
6
mW max
VDD = 3 V, fSAMPLE = 1 MSPS
Full Power-Down
5
W max
VDD = 5 V
3
W max
VDD = 3 V
1 Operational from VDD = 2 V, with VIH = 1.9 V minimum and VIL = 0.1 V maximum.
2 See the Terminology section.
3 Guaranteed by characterization.
4 See the Power vs. Throughput Rate section.
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