REV. A

–3–

AD7724

Parameter

A Version

Unit

Test Conditions/Comments

LOGIC OUTPUTS

DVDD1 – 0.2

V min

≤ 200 µA

0.4

V max

≤ 1.6 mA

POWER SUPPLIES

AVDD/DVDD

4.75/5.25

V min/V max

DVDD1

2.85/5.25

V min/V max

Digital Inputs Equal to 0 V or DVDD

Active Mode

60

mA max

Standby Mode

20

µA max

NOTES

°C to +85°C.

× f

Specifications subject to change without notice.

BIT STREAM

94.25kHz

FILTER 1

120dB

304.687kHz

BANDWIDTH = 94.25kHz

TRANSITION = 304.687kHz

ATTENUATION = 120dB

COEFFICIENTS = 384

DECIMATE

BY 32

FILTER 2

16-BIT

OUTPUT

94.25kHz

90dB

108.874kHz

BANDWIDTH = 94.25kHz

TRANSITION = 108.874kHz

ATTENUATION = 90dB

COEFFICIENTS = 151

DECIMATE

BY 2

Figure 1. Digital Filter (Consists of Two FIR Filters). This Filter is implemented on the AD7722.