参数资料
型号: AD7920AKSZ-500RL7
厂商: Analog Devices Inc
文件页数: 20/24页
文件大小: 0K
描述: IC ADC 12BIT SRL 250KSPS SC70-6
标准包装: 1
位数: 12
采样率(每秒): 250k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 15mW
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: 6-TSSOP,SC-88,SOT-363
供应商设备封装: SC-70-6
包装: 标准包装
输入数目和类型: 1 个单端,单极
其它名称: AD7920AKSZ-500RL7DKR
AD7910/AD7920
Rev. C | Page 5 of 24
Parameter1
A Grade ,
B Grade1, 2
Unit
Test Conditions/Comments
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
1.8
V min
VDD = 2.35 V
Input Low Voltage, VINL
0.8
V max
VDD = 3.6 V to 5.25 V
0.4
V max
VDD = 2.35 V to 3.6 V
Input Current, IIN, SCLK Pin
±0.5
μA max
Typically 10 nA, VIN = 0 V or VDD
Input Current, IIN, CS Pin
±10
nA typ
Input Capacitance, CIN6
5
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
VDD 0.2
V min
ISOURCE = 200 μA, VDD = 2.35 V to 5.25 V
Output Low Voltage, VOL
0.4
V max
ISINK = 200 μA
Floating-State Leakage Current
±1
μA max
Floating-State Output Capacitance6
5
pF max
Output Coding
Straight (natural) binary
CONVERSION RATE
Conversion Time
3.2
μs max
16 SCLK cycles with SCLK at 5 MHz
Track-and-Hold Acquisition Time3
250
ns max
Throughput Rate
250
kSPS max
See the Serial Interface section
POWER REQUIREMENTS
VDD
2.35/5.25
V min/max
IDD
Digital I/Ps = 0 V or VDD
Normal Mode (Static)
2.5
mA typ
VDD = 4.75 V to 5.25 V, SCLK on or off
1.2
mA typ
VDD = 2.35 V to 3.6 V, SCLK on or off
Normal Mode (Operational)
3
mA max
VDD = 4.75 V to 5.25 V, fSAMPLE = 250 kSPS
1.4
mA max
VDD = 2.35 V to 3.6 V, fSAMPLE = 250 kSPS
Full Power-Down Mode
1
μA max
Typically 50 nA
Power Dissipation7
Normal Mode (Operational)
15
mW max
VDD = 5 V, fSAMPLE = 250 kSPS
4.2
mW max
VDD = 3 V, fSAMPLE = 250 kSPS
Full Power-Down
5
μW max
VDD = 5 V
3
μW max
VDD = 3 V
1 Temperature range from 40°C to +85°C.
2 Operational from VDD = 2.0 V, with input low voltage (VINL) 0.35 V max.
3 See the Terminology section.
4 B Grade, maximum specifications apply as typical figures when VDD = 4.75 V to 5.25 V.
5 SC70 values guaranteed by characterization.
6 Guaranteed by characterization.
7 See the Power vs. Throughput Rate section.
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