AD13280BF datasheet(4/28 Pages) AD

Part #	AD13280BF

Description	Dual-Channel, 12-Bit, 80 MSPS ADC with Analog Input Signal Conditioning

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Manufacturer	AD [Analog Devices]

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AD13280

Rev. C | Page 4 of 28

SPECIFICATIONS

AVCC = +5 V, AVEE = −5 V, DVCC = +3.3 V; applies to each ADC with front-end amplifier, unless otherwise noted.

Table 1.

AD13280AZ

Parameter

Temperature

Test Level

Min

Typ

Max

Unit

RESOLUTION

12

Bits

DC ACCURACY1

No Missing Codes

Full

IV

Guaranteed

Offset Error

25°C

I

−2.2

±1.0

+2.2

% FS

Full

VI

−2.2

±1.0

+2.2

% FS

Offset Error Channel Match

Full

VI

−1.0

±0.1

+1.0

%

Gain Error2

25°C

I

−3

−1.0

+1

% FS

Full

VI

−5.0

±2.0

+5.0

% FS

Gain Error Channel Match

25°C

I

−1.5

±0.5

+1.5

%

Max

VI

−3.0

±1.0

+3.0

%

Min

VI

−5

±1.0

+5

%

SINGLE-ENDED ANALOG INPUT

Input Voltage Range

AMP-IN-X-1

Full

V

±0.5

V

AMP-IN-X-2

Full

V

±1.0

V

Input Resistance

AMP-IN-X-1

Full

IV

99

100

101

Ω

AMP-IN-X-2

Full

IV

198

200

202

Ω

Capacitance

25°C

V

4.0

7.0

pF

Analog Input Bandwidth3

Full

V

143

MHz

DIFFERENTIAL ANALOG INPUT

Analog Signal Input Range

A+IN to A–IN and B+IN to B−IN4

Full

V

±1

V

Input Impedance

25°C

V

618

Ω

Analog Input Bandwidth

Full

V

50

MHz

ENCODE INPUT (ENCODE, ENCODE)1

Differential Input Voltage

Full

IV

0.4

V p-p

Differential Input Resistance

25°C

V

10

kΩ

Differential Input Capacitance

25°C

V

2.5

pF

SWITCHING PERFORMANCE

Maximum Conversion Rate5

Full

VI

80

MSPS

Minimum Conversion Rate5

Full

IV

30

MSPS

Aperture Delay (tA)

25°C

V

0.9

ns

Aperture Delay Matching

25°C

IV

250

500

ps

Aperture Uncertainty (Jitter)

25°C

V

0.3

ps rms

ENCODE Pulse Width High at Max Conversion Rate

25°C

IV

4.75

6.25

8

ns

ENCODE Pulse Width Low at Max Conversion Rate

25°C

IV

4.75

6.25

8

ns

Output Delay (tOD)

Full

V

5

ns

Encode, Rising to Data Ready, Rising Delay

Full

V

8.5

ns

SNR1, 6

Analog Input @ 10 MHz

25°C

I

66.5

70

dBFS

Min

II

64.5

dBFS

Max

II

66.3

dBFS

Analog Input @ 21 MHz

25°C

I

66.5

70

dBFS

Min

II

64

dBFS

Max

II

66.3

dBFS

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