參數(shù)資料
型號: AD7998BRUZ-1REEL3
廠商: Analog Devices, Inc.
英文描述: 8-Channel, 10- and 12-Bit ADCs with I2CCompatible
中文描述: 8通道,10 -和12位ADC與I2CCompatible
文件頁數(shù): 6/32頁
文件大?。?/td> 1056K
代理商: AD7998BRUZ-1REEL3
AD7997/AD7998
Parameter
LOGIC INPUTS (CONVST)
Input High Voltage, V
INH
Input Low Voltage, V
INL
Input Leakage Current, I
IN
Input Capacitance, C
IN3
LOGIC OUTPUTS (OPEN-DRAIN)
Output Low Voltage, V
OL
Floating-State Leakage Current
Floating-State Output Capacitance
3
Output Coding
CONVERSION RATE
Conversion Time
Throughput Rate
Mode 1 (Reading after the Conversion)
Mode 2
POWER REQUIREMENTS
V
DD
I
DD
Power-Down Mode, Interface Inactive
Power-Down Mode, Interface Active
Operating, Interface Inactive
Operating, Interface Active
Mode 3 (I
2
C Inactive, T
CONVERT
x 32)
Power Dissipation
Fully Operational
Operating, Interface Active
Power Down, Interface Inactive
Rev. 0 | Page 6 of 32
B Version
2.4
2.0
0.8
0.4
±1
10
0.4
0.6
±1
10
Straight (Natural) Binary
2
5
21
121
5.5
22
147
2.7/5.5
1/2
0.07/0.3
0.3/0.6
0.06/0.1
0.3/0.6
0.15/0.4
0.6/1.1
0.7/1.4
0.7/1.5
0.495/2.2
1.98/6.05
2.31/7.7
3.3/11
Unit
V min
V min
V max
V max
μA max
pF max
V max
V max
μA max
pF max
Test Conditions/Comments
V
DD
= 5 V
V
DD
= 3 V
V
DD
= 5 V
V
DD
= 3 V
V
IN
= 0 V or V
DD
I
SINK
= 3 mA
I
SINK
= 6 mA
See the Modes of Operation section
f
SCL
= 100 kHz
f
SCL
= 400 kHz
f
SCL
= 3.4 MHz
f
SCL
= 100 kHz
f
SCL
= 400 kHz
f
SCL
= 3.4 MHz , 188 kSPS typ @ 5 V
Digital inputs = 0 V or V
DD
V
DD
= 3.3 V/5.5 V
V
DD
= 3.3 V/5.5 V, 400 kHz f
SCL
V
DD
= 3.3 V/5.5 V, 3.4 MHz f
SCL
V
DD
= 3.3 V/5.5 V, 400 kHz f
SCL
V
DD
= 3.3 V/5.5 V, 3.4 MHz f
SCL
V
DD
= 3.3 V/5.5 V, 400 kHz f
SCL
V
DD
= 3.3 V/5.5 V, 3.4 MHz f
SCL
Mode 1
V
DD
= 3.3 V/5.5 V, 3.4 MHz f
SCL
Mode 2
V
DD
= 3.3 V/5.5 V
V
DD
= 3.3 V/5.5 V, 400 kHz f
SCL
V
DD
= 3.3 V/5.5 V, 3.4 MHz f
SCL
Mode 1
V
DD
= 3.3 V/5.5 V, 3.4 MHz f
SCL
Mode 2
V
DD
= 3.3 V/5.5 V
μs typ
kSPS typ
kSPS typ
kSPS typ
kSPS typ
kSPS typ
kSPS typ
V min/max
μA max
mA max
mA max
mA max
mA max
mA max
mA max
mA typ
mA max
mW max
mW max
mW typ
μW max
1
Max/min ac dynamic performance, INL and DNL specifications are typical specifications when operating in Mode 2 with I
2
C Hs-Mode SCL frequencies. Specifications
outlined for Mode 2 apply to Mode 3 also. Sample delay and bit trial delay enabled.
2
See the
section.
Terminology
3
Guaranteed by initial characterization.
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