AD7921ARM Analog Devices Inc, AD7921ARM Datasheet - Page 6

• Manufacturer Part Number: AD7921ARM
• Description: IC ADC 12BIT DUAL LP 8-MSOP
• Manufacturer: Analog Devices Inc

Specifications of AD7921ARM

• Number Of Bits: 12
• Sampling Rate (per Second): 250k
• Data Interface: DSP, MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 20mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD7911/AD7921
Parameter
CONVERSION RATE
POWER REQUIREMENTS
1
2
3
4
Operational from V
See the Terminology section.
Guaranteed by characterization.
See the Power vs. Throughput Rate section.
Conversion Time
Track-and-Hold Acquisition Time
Throughput Rate
V
I
Power Dissipation
DD
DD
Normal Mode (Static)
Normal Mode (Operational)
Full Power-Down Mode (Static)
Full Power-Down Mode (Dynamic)
Normal Mode (Operational)
Full Power-Down
DD
= 2 V, with V
4
IH
= 1.9 V minimum and V
2
IL
A Grade
3.2
290
250
2.35/5.25
3
1.5
4
2
1
0.4
0.22
20
6
5
3
= 0.1 V maximum.
1
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Unit
µs max
ns max
kSPS max
V min/max
mA typ
mA typ
mA max
mA max
µA max
mA typ
mA typ
mW max
mW max
µW max
µW max
Test Conditions/Comments
16 SCLK cycles with SCLK at 5 MHz
See the Serial Interface section
Digital I/Ps = 0 V or V
V
V
V
V
SCLK on or off, typically 50 nA
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 4.75 V to 5.25 V, SCLK on or off
= 2.35 V to 3.6 V, SCLK on or off
= 4.75 V to 5.25 V, f
= 2.35 V to 3.6 V, f
= 5 V, f
= 3 V, f
= 5 V, f
= 3 V, f
= 5 V
= 3 V
SCLK
SCLK
SAMPLE
SAMPLE
= 5 MHz, f
= 5 MHz, f
= 250 kSPS
= 250 kSPS
DD
SAMPLE
SAMPLE
SAMPLE
SAMPLE
= 250 kSPS
= 250 kSPS
= 25 kSPS
= 25 kSPS