AD7908(RevA) 查看數據表（PDF） - Analog Devices

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AD7908
(Rev.:RevA)

8-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 20-Lead TSSOP

Analog Devices 

Parameter

B Version1

POWER REQUIREMENTS

AVDD

VDRIVE

IDD4

Normal Mode (Static)

Normal Mode (Operational)

Using Auto Shutdown Mode

Full Shutdown Mode

Power Dissipation4

Normal Mode (Operational)

Auto Shutdown Mode (Static)

Full Shutdown Mode

2.7/5.25

2.7/5.25

600

2.7

2

960

0.5

0.5

13.5

6

2.5

1.5

2.5

1.5

NOTES

1Temperature ranges as follows: B Version: –40°C to +85°C.

2See Terminology section.

3Sample tested @ 25°C to ensure compliance.

4See Power vs. Throughput Rate section.

Specifications subject to change without notice.

AD7908/AD7918/AD7928

Unit

Test Conditions/Comments

V min/max

V min/max

µA typ

mA max

mA max

µA typ

µA max

µA max

Digital I/Ps = 0 V or VDRIVE

AVDD = 2.7 V to 5.25 V, SCLK On or Off

AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz

AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz

fSAMPLE = 250 kSPS

(Static)

SCLK On or Off (20 nA typ)

mW max

mW max

µW max

µW max

µW max

µW max

AVDD = 5 V, fSCLK = 20 MHz

AVDD = 3 V, fSCLK = 20 MHz

AVDD = 5 V

AVDD = 3 V

AVDD = 5 V

AVDD = 3 V

REV. A

–5–

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