AD9432_17 datasheet(4/17 Pages) AD

Part #	AD9432

Description	12-Bit, 80 MSPS/105 MSPS ADC

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AD9432

Rev. F | Page 3 of 16

SPECIFICATIONS

VDD = 3.3 V, VCC = 5.0 V; external reference; differential encode input, unless otherwise noted.

Table 1.

Parameter

Temp

Test

80 MSPS

105 MSPS

Level

Min

Typ

Max

Min

Typ

Max

Unit

RESOLUTION

12

Bits

DC ACCURACY

Differential Nonlinearity (DNL)

25°C

I

−0.75

±0.25

+0.75

−0.75

±0.25

+0.75

LSB

Full

VI

−1.0

±0.5

+1.0

−1.0

±0.5

+1.0

LSB

Integral Nonlinearity (INL)

25°C

I

−1.0

±0.5

+1.0

−1.0

±0.5

+1.0

LSB

Full

VI

−1.5

±1.0

+1.5

−1.5

±1.0

+1.5

LSB

No Missing Codes

Full

VI

Guaranteed

Gain Error1

25°C

I

−5

+2

+7

−5

+2

+7

% FS

Gain Tempco1

Full

V

150

ppm/°C

ANALOG INPUTS (AIN, AIN)

Input Voltage Range

Full

V

2

V p-p

Common-Mode Voltage

Full

V

3.0

V

Input Offset Voltage

Full

VI

−5

±0

+5

−5

±0

+5

mV

Input Resistance

Full

VI

2

3

4

2

3

4

kΩ

Input Capacitance

25°C

V

4

pF

Analog Bandwidth, Full Power

25°C

V

500

MHz

ANALOG REFERENCE

Output Voltage

Full

VI

2.4

2.5

2.6

2.4

2.5

2.6

V

Tempco

Full

V

50

ppm/°C

Input Bias Current

Full

VI

15

50

15

50

μΑ

SWITCHING PERFORMANCE

Maximum Conversion Rate

Full

VI

80

105

MSPS

Minimum Conversion Rate

Full

IV

1

MSPS

Encode Pulse Width High (tEH)

25°C

IV

4.0

6.2

4.0

4.8

ns

Encode Pulse Width Low (tEL)

25°C

IV

4.0

6.2

4.0

4.8

ns

Aperture Delay (tA)

25°C

V

2.0

ns

Aperture Uncertainty (Jitter)

25°C

V

0.25

ps rms

Output Valid Time (tV)2

Full

VI

3.0

5.3

3.0

5.3

ns

Output Propagation Delay (tPD)2

Full

VI

5.5

8.0

5.5

8.0

ns

Output Rise Time (tR)2

Full

V

2.1

ns

Output Fall Time (tF)2

Full

V

1.9

ns

Out-of-Range Recovery Time

25°C

V

2

ns

Transient Response Time

25°C

V

2

ns

Latency

Full

IV

10

Cycles

DIGITAL INPUTS

Encode Input Common Mode

Full

V

1.6

V

Differential Input

(ENCODE, ENCODE)

Full

V

750

mV

Single-Ended Input

Logic 1 Voltage

Full

IV

2.0

V

Logic 0 Voltage

Full

IV

0.8

V

Input Resistance

Full

VI

3

5

8

3

5

8

kΩ

Input Capacitance

25°C

V

4.5

pF

DIGITAL OUTPUTS

Logic 1 Voltage (VDD = 3.3 V)

Full

VI

VDD − 0.05

V

Logic 0 Voltage (VDD = 3.3 V)

Full

VI

0.05

V

Output Coding

Twos complement

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