AD9238BST-40 datasheet(8/24 Pages) AD

Part #	AD9238BST-40

Description	12-Bit, 20/40/65 MSPS Dual A/D Converter

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Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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–8–

AD9238–Typical Performance Characteristics

AD9238

–9–

–120

10

15

20

25

30

5

0

–100

–80

–60

–40

–20

0

SECOND

HARMONIC

FREQUENCY – MHz

CROSSTALK

THIRD

HARMONIC

TPC 1. Single-Tone FFT of Channel A Digitizing

fIN = 12.5 MHz while Channel B is Digitizing fIN = 10 MHz

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TPC 2. Single-Tone FFT of Channel A Digitizing

fIN = 70 MHz while Channel B is Digitizing fIN = 76 MHz

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TPC 3. Single-Tone FFT of Channel A Digitizing

fIN = 120 MHz while Channel B is Digitizing fIN = 126 MHz

ADC SAMPLE RATE – MSPS

90

55

40

85

80

75

70

65

60

45

50

55

60

65

95

100

SNR

SFDR

50

TPC 4. AD9238-65 Single-Tone SNR/SFDR vs. FS with

fIN = 32.5 MHz

ADC SAMPLE RATE – MSPS

90

55

40

85

80

75

70

65

60

95

100

SNR

SFDR

50

35

30

25

20

SNR

TPC 5. AD9238-40 Single-Tone SNR/SFDR vs. FS with

fIN = 20 MHz

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TPC 6. AD9238-20 Single-Tone SNR/SFDR vs. FS with

fIN = 10 MHz

REV. A

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AD9238BST-40 Datasheet(PDF) 8 Page - Analog Devices

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