参数资料
型号: EVAL-AD7992EBZ
厂商: Analog Devices Inc
文件页数: 25/29页
文件大小: 0K
描述: BOARD EVALUATION FOR AD7992
标准包装: 1
ADC 的数量: 1
位数: 12
采样率(每秒): 188k
数据接口: I²C,串行
输入范围: 0 ~ VREF
在以下条件下的电源(标准): 7.7mW @ 188kSPS,5.5 V
工作温度: -40°C ~ 125°C
已用 IC / 零件: AD7992
已供物品: 板,线缆
AD7992
Rev. 0 | Page 4 of 28
Parameter
B Version
Unit
Test Conditions/Comments
LOGIC INPUTS (CONVST)
Input High Voltage, VINH
2.4
V min
VDD = 5 V
2.0
V min
VDD = 3 V
Input Low Voltage, VINL
0.8
V max
VDD = 5 V
0.4
V max
VDD = 3 V
Input Leakage Current, IIN
±1
A max
VIN = 0 V or VDD
Input Capacitance, CIN3
10
pF max
LOGIC OUTPUTS (OPEN DRAIN)
Output Low Voltage, VOL
0.4
V max
ISINK = 3 mA
0.6
V max
ISINK = 6 mA
Floating-State Leakage Current
±1
A max
Floating-State Output Capacitance3
10
pF max
Output Coding
Straight (Natural) Binary
CONVERSION RATE
Conversion Time
2
s typ
Throughput Rate
Mode 1 (Reading after the Conversion)
5
kSPS typ
fSCL = 100 kHz
21
kSPS typ
fSCL = 400 kHz
121
kSPS typ
fSCL = 3.4 MHz
Mode 2
5.5
kSPS typ
fSCL = 100 kHz
22
kSPS typ
fSCL = 400 kHz
147
kSPS typ
fSCL = 3.4 MHz , 188 kSPS typ @ 5 V
POWER REQUIREMENTS
VDD
2.7/5.5
V min/max
IDD
Digital inputs = 0 V or VDD
Power-Down Mode, Interface Inactive
1/2
A max
VDD = 3.3 V/5.5 V
Power-Down Mode, Interface Active
0.07/0.3
mA max
VDD = 3.3 V/5.5 V, 400 kHz fSCL
0.3/0.6
mA max
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL
Operating, Interface Inactive
0.06/0.1
mA max
VDD = 3.3 V/5.5 V, 400 kHz fSCL
0.3/0.6
mA max
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL
Operating, Interface Active
0.15/0.4
mA max
VDD = 3.3 V/5.5 V, 400 kHz fSCL
0.6/1.1
mA max
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL Mode1
0.7/1.4
mA typ
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL Mode 2
Mode 3 (I2C Inactive, TCONVERT × 32)
0.7/1.5
mA max
VDD = 3.3 V/5.5 V
POWER DISSIPATION
Fully Operational
Operating, Interface Active
0.495/2.2
mW max
VDD = 3.3 V/5.5 V, 400 kHz fSCL
1.98/6.05
mW max
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL Mode 1
2.31/7.7
mW typ
VDD = 3.3 V/5.5 V, 3.4 MHz fSCL Mode 2
Power Down, Interface Inactive
3.3/11
W max
VDD = 3.3 V/5.5 V
1 Maximum/minimum ac dynamic performance, INL and DNL specifications are typical specifications when operating in Mode 2 with I2C high speed mode SCL
frequencies. Specifications outlined for Mode 2 apply to Mode 3 also. Sample delay and bit trial delay enabled.
2 See the Terminology section.
3 Guaranteed by initial characterization.
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