AD7723 datasheet(4/33 Pages) AD

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AD7723

Rev. C | Page 3 of 32

SPECIFICATIONS1

AVDD = DVDD = 5 V ± 5%; AGND = AGND1 = AGND2 = DGND = 0 V; fCLKIN = 19.2 MHz; REF2 = 2.5 V; TA = TMIN to TMAX, unless

otherwise noted.

Table 1.

B Version

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DYNAMIC SPECIFICATIONS2, 3

HALF_PWR = 0 to 1

fCLKIN = 10 MHz when HALF_PWR = 1

Decimate by 32

Bipolar Mode

Signal to Noise

Full Power

2.5 V reference

3 V reference

88.5

Half Power

86.5

Total Harmonic Distortion4

−96

−90

Spurious-Free Dynamic Range4

2.5 V reference

−92

3 V reference

−90

Unipolar Mode

Signal to Noise

Total Harmonic Distortion4

−89

Spurious-Free Dynamic Range4

−90

Band-Pass Filter Mode

Bipolar Mode

Signal to Noise

Decimate by 16

Bipolar Mode

Signal to Noise

Measurement bandwidth = 0.383 × FO

2.5 V reference

3 V reference

Signal to Noise

Measurement bandwidth = 0.5 × FO

81.5

Total Harmonic Distortion4

2.5 V reference

−88

Spurious-Free Dynamic Range4

3 V reference

−86

2.5 V reference

−90

3 V reference

−88

Unipolar Mode

Signal to Noise

Measurement bandwidth = 0.383 × FO

Signal to Noise

Measurement bandwidth = 0.5 × FO

Total Harmonic Distortion4

−89

DIGITAL FILTER RESPONSE

Low-Pass Decimate by 32

0 kHz to fCLKIN/83.5

±0.001

fCLKIN/66.9

−3

fCLKIN/64

−6

fCLKIN/51.9 to fCLKIN/2

−90

Group Delay

1293/2 fCLKIN

Settling Time

1293/fCLKIN

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