Datasheet

AD7276/AD7277/AD7278
Rev. C | Page 4 of 28
Parameter A Grade
2, 3
B, Y Grade
2,3
Unit Test Conditions/Comments
CONVERSION RATE
Conversion Time 291 291 ns max 14 SCLK cycles with SCLK at 48 MHz, B Grade
875 875 ns max 14 SCLK cycles with SCLK at 16 MHz, Y Grade
Track-and-Hold Acquisition Time
4
60 60 ns min
Throughput Rate 3 3 MSPS max See the Serial Interface section
POWER REQUIREMENTS
V
DD
2.35/3.6 2.35/3.6 V min/max
I
DD
Digital I/Ps 0 V or V
DD
Normal Mode (Static) 1 1 mA typ V
DD
= 3.6 V, SCLK on or off
Normal Mode (Operational) 5.5 5.5 mA max V
DD
= 2.35 V to 3.6 V, f
SAMPLE
= 3 MSPS, B Grade
2.5 2.5 mA max V
DD
= 2.35 V to 3.6 V, f
SAMPLE
= 1 MSPS, Y Grade
4.2 4.2 mA typ V
DD
= 3 V, f
SAMPLE
= 3 MSPS, B Grade
1.6 1.6 mA typ V
DD
= 3 V, f
SAMPLE
= 1 MSPS, Y Grade
Partial Power-Down Mode (Static) 34 34 μA typ
Full Power-Down Mode (Static) 2 2 μA max −40°C to +85°C, typically 0.1 μA
10 10 μA max 85°C to 125°C
Power Dissipation
6
Normal Mode (Operational) 19.8 19.8 mW max V
DD
= 3.6 V, f
SAMPLE
= 3 MSPS, B Grade
9 9 mW max V
DD
= 3.6 V, f
SAMPLE
= 1 MSPS, Y Grade
12.6 12.6 mW typ V
DD
= 3 V, f
SAMPLE
= 3 MSPS, B Grade
4.8 4.8 mW typ V
DD
= 3 V, f
SAMPLE
= 1 MSPS, Y Grade
Partial Power-Down 102 102 μW typ V
DD
= 3 V
Full Power-Down 7.2 7.2 μW max V
DD
= 3.6 V, −40°C to +85°C
1
Y Grade specifications are guaranteed by characterization.
2
Temperature range from −40°C to +125°C.
3
Typical specifications are tested with V
DD
= 3 V and at 25°C.
4
See the Terminology section.
5
Guaranteed by characterization.
6
See the Power vs. Throughput Rate section.