AD7277ARMZ datasheet(4/28 Pages) AD

4 / 28 page

AD7276/AD7277/AD7278

Data Sheet

Rev. D | Page 4 of 28

Parameter

A Grade2, 3

B, Y Grade2, 3

Unit

Test Conditions/Comments

CONVERSION RATE

Conversion Time

291

ns max

14 SCLK cycles with SCLK at 48 MHz, B Grade

875

ns max

14 SCLK cycles with SCLK at 16 MHz, Y Grade

Track-and-Hold Acquisition Time4

ns min

Throughput Rate

MSPS max

See the Serial Interface section

POWER REQUIREMENTS

2.35/3.6

V min/max

Digital I/Ps 0 V or V

Normal Mode (Static)

mA typ

DD = 3.6 V, SCLK on or off

Normal Mode (Operational)

5.5

mA max

DD = 2.35 V to 3.6 V, fSAMPLE = 3 MSPS, B Grade

2.5

mA max

DD = 2.35 V to 3.6 V, fSAMPLE = 1 MSPS, Y Grade

4.2

mA typ

DD = 3 V, fSAMPLE = 3 MSPS, B Grade

1.6

mA typ

DD = 3 V, fSAMPLE = 1 MSPS, Y Grade

Partial Power-Down Mode (Static)

µA typ

Full Power-Down Mode (Static)

µA max

−40°C to +85°C, typically 0.1 µA

µA max

85°C to 125°C

Power Dissipation6

Normal Mode (Operational)

19.8

mW max

DD = 3.6 V, fSAMPLE = 3 MSPS, B Grade

mW max

DD = 3.6 V, fSAMPLE = 1 MSPS, Y Grade

12.6

mW typ

DD = 3 V, fSAMPLE = 3 MSPS, B Grade

4.8

mW typ

DD = 3 V, fSAMPLE = 1 MSPS, Y Grade

Partial Power-Down

102

µW typ

DD = 3 V

Full Power-Down

7.2

µW max

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.

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