AD7899 Просмотр технического описания (PDF) - Analog Devices

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AD7899

5 V Single Supply 14-Bit 400 kSPS ADC

Analog Devices 

AD7899

Parameter

LOGIC INPUTS

Input High Voltage, VINH

Input Low Voltage, VINL

Input Current, IIN

Input Capacitance, CIN4

LOGIC OUTPUTS

Output High Voltage, VOH

Output Low Voltage, VOL

DB13–DB0

High Impedance

Leakage Current

Capacitance4

Output Coding

AD7899-1, AD7899-3

AD7899-2

CONVERSION RATE

Conversion Time

Track/Hold Acquisition Time2, 3

Throughput Time

POWER REQUIREMENTS

VDD

IDD

Normal Mode

Standby Mode

A

Version1

B

Version1

S

Version1

VDRIVE/2 + 0.4

VDRIVE/2 – 0.4

± 10

10

VDRIVE/2 + 0.4

VDRIVE/2 – 0.4

± 10

10

VDRIVE/2 + 0.4

VDRIVE/2 – 0.4

± 10

10

VDRIVE – 0.4

0.4

VDRIVE – 0.4

0.4

VDRIVE – 0.4

0.4

± 10

± 10

± 10

10

10

10

Two’s Complement

Straight (Natural) Binary

2.2

2.2

2.2

0.3

0.3

0.3

400

400

400

5

5

5

25

25

25

20

20

20

Power Dissipation

Normal Mode

Standby Mode

125

125

125

100

100

125

NOTES

1 Temperature Ranges are as follows : A, B Versions: –40ЊC to +85ЊC. S Version: –55°C to +125°C.

2 Performance measured through full channel (SHA and ADC).

3 See Terminology.

4Sample tested @ 25°C to ensure compliance.

Specifications subject to change without notice.

Unit

Test Conditions/Comments

V min

V max

µA max

pF max

VDD = 5 V ± 5%

VDD = 5 V ± 5%

V min

V max

ISOURCE = 400 µA

ISINK = 1.6 mA

µA max

pF max

µs max

µs max

kSPS max

V nom

mA max

µA max

Typically 16 mA

(5 µA typ) Logic Inputs = 0 V or

VDD

mW max Typically 80 mW, VDD = 5 V

µW max

REV. A

–3–

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