–3–

REV. A

AD7864

Parameter

A Version

1

B Version

Units

Test Conditions/Comments

LOGIC INPUTS

2.4

2.4

V min

0.8

0.8

V max

±10

±10

µA max

4

10

10

pF max

LOGIC OUTPUTS

4.0

4.0

V min

µA

0.4

0.4

V max

DB11–DB0

High Impedance

Leakage Current

±10

±10

µA max

Capacitance

4

10

10

pF max

Output Coding

AD7864-1, AD7864-3

Twos Complement

AD7864-2

Straight (Natural) Binary

CONVERSION RATE

Conversion Time

1.65

1.65

µs max

For One Channel

0.35

0.35

µs max

Throughput Time

130

130

kSPS max

For All Four Channels

POWER REQUIREMENTS

+5

+5

V nom

±5% for Specified Performance

(5

µA typ) Logic Inputs = 0 V or V

DD

Normal Mode

24

24

mA max

Standby Mode

20

20

µA max

Typically 4

µA

Power Dissipation

Normal Mode

120

120

mW max

Typically 90 mW

Standby Mode

100

100

µW max

Typically 20

µW

NOTES

°C to +85°C. Note: The A Version is fully specified up to +105°C with degraded INL and DNL specifications

of

± 2 LSBs max.

°C to ensure compliance.

Specifications subject to change without notice.