AD9020_15 datasheet(2/12 Pages) AD

Part #	AD9020

Description	10-Bit 60 MSPS A/D Converter

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Manufacturer	AD [Analog Devices]

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REV. C

–2–

AD9020–SPECIFICATIONS

ELECTRICAL CHARACTERISTICS

Test

AD9020JE/JZ

AD9020KE/KZ

Parameter (Conditions)

Temp

Level

Min

Typ

Max

Min

Typ

Max

Unit

RESOLUTION

10

Bits

DC ACCURACY3

Differential Nonlinearity

25

°C

I

1.0

1.25

0.75

1.0

LSB

Full

VI

1.5

1.25

LSB

Integral Nonlinearity

25

°C

I

1.25

2.75

1.0

2.25

LSB

Full

VI

3.0

2.50

LSB

No Missing Codes

Full

VI

Guaranteed

ANALOG INPUT

Input Bias Current

4

25

°C

I

0.4

1.0

0.4

1.0

mA

Full

VI

2.0

mA

Input Resistance

25

°C

I

2.0

7.0

2.0

7.0

k

Ω

Input Capacitance

4

25

°C

V

45

pF

Analog Bandwidth

25

°C

V

175

MHz

REFERENCE INPUT

Reference Ladder Resistance

25

°C

I

22

37

56

22

37

56

Ω

Full

VI

14

66

14

66

Ω

Ladder Tempco

Full

V

0.1

Ω/°C

Reference Ladder Offset

Top of Ladder

25

°C

I

45

90

45

90

mV

Full

VI

90

mV

Bottom of Ladder

25

°C

I

45

90

45

90

mV

Full

VI

90

mV

Offset Drift Coefficient

Full

V

50

µV/°C

SWITCHING PERFORMANCE

Conversion Rate

25

°C

I

60

MSPS

Aperture Delay (tA)25

°CV

1

ns

Aperture Uncertainty (Jitter)

25

°C

V

5

ps, rms

Output Delay (tOD)

5

25

°C

I

6

10

13

6

10

13

ns

Output Time Skew5

25

°C

I

35

ns

DYNAMIC PERFORMANCE

Transient Response

25

°C

V

10

ns

Overvoltage Recovery Time

25

°C

V

10

ns

Effective Number of Bits (ENOB)

fIN = 2.3 MHz

25

°C

I

7.9

9.0

7.9

9.0

Bits

fIN = 10.3 MHz

25

°C

IV

7.6

8.4

7.6

8.4

Bits

fIN = 15.3 MHz

25

°C

IV

7.2

8.0

7.2

8.0

Bits

Signal-to-Noise Ratio

6

fIN = 2.3 MHz

25

°C

I

49.5

56

49.5

56

dB

fIN = 10.3 MHz

25

°C

I

47.5

53

47.5

53

dB

fIN = 15.3 MHz

25

°C

I

45.5

50

45.5

50

dB

Signal-to-Noise Ratio

6

(Without Harmonics)

fIN = 2.3 MHz

25

°C

I

49.5

56

49.5

56

dB

fIN = 10.3 MHz

25

°C

I

49.5

54

49.5

54

dB

fIN = 15.3 MHz

25

°C

I

48

52

48

52

dB

( VS =

5 V;

VSENSE =

1.75 V; ENCODE = 40 MSPS unless otherwise noted)

ABSOLUTE MAXIMUM RATINGS

1

+VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 V

–VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –6 V

ANALOG IN . . . . . . . . . . . . . . . . . . . . . . . . . . . –2 V to +2 V

+VREF, –VREF, 3/4REF, 1/2REF, 1/4REF . . . . . . . . . . –2 V to +2 V

+VREF to –VREF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0 V

DIGITAL INPUTS . . . . . . . . . . . . . . . . . . . . . . .–0.5 V to +VS

3/4REF, 1/2REF, 1/4REF Current . . . . . . . . . . . . . . . . . . .

±10 mA

Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA

Operating Temperature

AD9020JE/KE/JZ/KZ . . . . . . . . . . . . . . . . . . . . 0

°C to 70°C

Storage Temperature . . . . . . . . . . . . . . . . . . . –65

°C to +150°C

Maximum Junction Temperature

2 . . . . . . . . . . . . . . . . . 150

°C

Lead Soldering Temp (10 sec) . . . . . . . . . . . . . . . . . . . . 300

°C

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