AD7998BRU-1 Analog Devices Inc, AD7998BRU-1 Datasheet - Page 4
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AD7998BRU-1
Manufacturer Part Number
AD7998BRU-1
Description
IC,Data Acquisition System,8-CHANNEL,12-BIT,TSSOP,20PIN,PLASTIC
Manufacturer
Analog Devices Inc
Datasheet
1.AD7997BRUZ-1.pdf
(32 pages)
Specifications of AD7998BRU-1
Number Of Bits
12
Sampling Rate (per Second)
188k
Data Interface
I²C, Serial
Number Of Converters
1
Power Dissipation (max)
2.2mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP (0.173", 4.40mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With
EVAL-AD7998CBZ - BOARD EVALUATION FOR AD7998CBZ
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
AD7997/AD7998
Parameter
LOGIC INPUTS (CONVST)
LOGIC OUTPUTS (OPEN-DRAIN)
CONVERSION RATE
POWER REQUIREMENTS
1
2
3
Max/min ac dynamic performance, INL and DNL specifications are typical specifications when operating in Mode 2 with I
outlined for Mode 2 apply to Mode 3 also. Sample delay and bit trial delay enabled.
See the Terminology section.
Guaranteed by initial characterization.
Input High Voltage, V
Input Low Voltage, V
Input Leakage Current, I
Input Capacitance, C
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
Conversion Time
Throughput Rate
V
I
Power Dissipation
DD
DD
Mode 1 (Reading after the Conversion)
Mode 2
Power-Down Mode, Interface Inactive
Power-Down Mode, Interface Active
Operating, Interface Inactive
Operating, Interface Active
Mode 3 (I
Fully Operational
Operating, Interface Active
Power Down, Interface Inactive
2
C Inactive, T
IN
INL
INH
3
OL
IN
CONVERT
x 32)
3
B Version
2.4
2.0
0.8
0.4
±1
10
0.4
0.6
± 1
10
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
Straight (Natural) Binary
Rev. 0 | Page 4 of 32
Unit
V min
V min
V max
V max
µA max
pF max
V max
V max
µA max
pF max
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
Test Conditions/Comments
V
V
V
V
V
I
I
See the Modes of Operation section
f
f
f
f
f
f
Digital inputs = 0 V or V
V
V
V
V
V
V
V
V
V
V
V
V
V
SINK
SINK
SCL
SCL
SCL
SCL
SCL
SCL
DD
DD
DD
DD
IN
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 0 V or V
= 100 kHz
= 400 kHz
= 3.4 MHz
= 100 kHz
= 400 kHz
= 3.4 MHz, 188 kSPS typ @ 5 V
= 5 V
= 3 V
= 5 V
= 3 V
= 3.3 V/5.5 V
= 3.3 V/5.5 V, 400 kHz f
= 3.3 V/5.5 V, 3.4 MHz f
= 3.3 V/5.5 V, 400 kHz f
= 3.3 V/5.5 V, 3.4 MHz f
= 3.3 V/5.5 V, 400 kHz f
= 3.3 V/5.5 V, 3.4 MHz f
= 3.3 V/5.5 V, 3.4 MHz f
= 3.3 V/5.5 V
= 3.3 V/5.5 V, 400 kHz f
= 3.3 V/5.5 V, 3.4 MHz f
= 3.3 V/5.5 V, 3.4 MHz f
= 3.3 V/5.5 V
= 3 mA
= 6 mA
2
C Hs-Mode SCL frequencies. Specifications
DD
DD
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
SCL
Mode 1
Mode 2
Mode 1
Mode 2