EVAL-AD7998CBZ Analog Devices Inc, EVAL-AD7998CBZ Datasheet - Page 6

• Manufacturer Part Number: EVAL-AD7998CBZ
• Description: BOARD EVALUATION FOR AD7998CBZ
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7998CBZ

• Number Of Adc's: 1
• Number Of Bits: 12
• Sampling Rate (per Second): 188k
• Data Interface: Serial
• Inputs Per Adc: 8 Single Ended
• Input Range: 0 ~ 5.5 V
• Power (typ) @ Conditions: 7.7mW @ 188kSPS, 5.5 V
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD7998
• Lead Free Status / RoHS Status: Lead free / RoHS 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
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
Terminology
2
C Inactive, T
section.
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 6 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
See the Modes of Operation section
Test Conditions/Comments
V
V
V
V
V
I
I
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 mA
= 6 mA
= 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
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