AD9432BSQZ-80 datasheet(3/20 Pages) AD

Part #	AD9432BSQZ-80

Description	12-Bit, 80 MSPS/105 MSPS A/D Converter

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REV. E

–3–

AD9432

Test

AD9432BST/BSQ-80

AD9432BST/BSQ-105

Parameter

Temp

Level

Min

Typ

Max

Min

Typ

Max

Unit

DYNAMIC PERFORMANCE

4

Signal-to-Noise Ratio (SNR)

(Without Harmonics)

fIN = 10.3 MHz

25

°C

I

65.5

67.5

65.5

67.5

dB

fIN = 40 MHz

25

°C

I

65

67.2

dB

fIN = 49 MHz

25

°C

I

67.0

64

67.0

dB

fIN = 70 MHz

25

°C

V

66.1

dB

Signal-to-Noise Ratio (SINAD)

(With Harmonics)

fIN = 10.3 MHz

25

°C

I

65

67.2

65

67.2

dB

fIN = 40 MHz

25

°C

I

64.5

66.9

dB

fIN = 49 MHz

25

°C

I

66.7

63

66.7

dB

fIN = 70 MHz

25

°C

V

65.8

dB

Effective Number of Bits

fIN = 10 MHz

25

°C

V

11.0

Bits

fIN = 40 MHz

25

°C

V

10.9

Bits

fIN = 49 MHz

25

°C

V

10.9

Bits

fIN = 70 MHz

25

°C

V

10.7

Bits

Second and Third Harmonic Distortion

fIN = 10 MHz

25

°C

I

–75

–85

–75

–85

dBc

fIN = 40 MHz

25

°C

I

–73

–85

–83

dBc

fIN = 49 MHz

25

°C

I

–83

–72

–80

dBc

fIN = 70 MHz

25

°C

V

–80

–78

dBc

Worst Harmonic or Spur

(Excluding Second and Third)

fIN = 10 MHz

25

°C

I

–80

–90

–80

–90

dBc

fIN = 40 MHz

25

°C

I

–80

–90

dBc

fIN = 49 MHz

25

°C

I

–90

–80

–90

dBc

fIN = 70 MHz

25

°C

V

–90

dBc

Two-Tone Intermod Distortion (IMD)

fIN1 = 29.3 MHz; fIN2 = 30.3 MHz

25

°C

V

–75

dBc

fIN1 = 70.3 MHz; fIN2 = 71.3 MHz

25

°C

V

–66

dBc

NOTES

1Gain error and gain temperature coefficients are based on the ADC only (with a fixed 2.5 V external reference and a 2 V p-p differential analog input).

2t

V and tPD are measured from the transition points of the ENCODE input to the 50%/50% levels of the digital outputs swing. The digital output load during test is

not to exceed an ac load of 10 pF or a dc current of

±40 µA. Rise and fall times measured from 10% to 90%.

3Power dissipation measured with encode at rated speed and a dc analog input. (Outputs Static, I

VDD = 0.)

4SNR/harmonics based on an analog input voltage of –0.5 dBFS referenced to a 2 V full-scale input range.

Specifications subject to change without notice.

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