–3–

REV. 0

AD7723

B Version

Parameter

Test Conditions/Comments

Min

Typ

Max

Units

ANALOG INPUTS (Continued)

Absolute Input Voltage

VIN(+) and/or VIN(–)

AGND

V

Input Sampling Capacitance

2pF

19.2

MHz

CLOCK

CLKIN Duty Ratio

45

55

%

REFERENCE

REF1 Output Resistance

3k

Ω

Using Internal Reference

REF2 Output Voltage

2.39

2.54

2.69

V

REF2 Output Voltage Drift

60

ppm/

°C

Using External Reference

REF2 Input Impedance

REF1 = AGND

4

k

Ω

REF2 External Voltage Range

1.2

2.5

3.15

V

STATIC PERFORMANCE

Resolution

16

Bits

Differential Nonlinearity

Guaranteed Monotonic

±0.5

±1

LSB

Integral Nonlinearity

±2

LSB

DC CMRR

80

dB

Offset Error

±20

mV

Gain Error

5

±0.5

% FSR

LOGIC INPUTS (Excluding CLKIN)

2.0

V

0.8

V

CLOCK INPUT (CLKIN)

3.8

V

0.4

V

ALL LOGIC INPUTS

±10

µA

10

pF

LOGIC OUTPUTS

4.0

V

0.4

V

POWER SUPPLIES

4.75

5.25

V

HALF_PWR = Logic Low

50

60

mA

HALF_PWR = Logic High

25

33

mA

4.75

5.25

V

HALF_PWR = Logic Low

25

35

mA

HALF_PWR = Logic High

15

20

mA

Power Consumption

6

Standby Mode

200

µW

NOTES

°C to +85°C.

× f

µF decoupling capacitor between REF2 and

AGND2. At frequencies below 10 kHz, THD degrades to 84 dB and SFDR degrades to 86 dB.

Specifications subject to change without notice.