AD9241AS datasheet(2/24 Pages) AD

Il numero della parte	AD9241AS

Spiegazioni elettronici	Complete 14-Bit, 1.25 MSPS Monolithic A/D Converter

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AD9241–SPECIFICATIONS

DC SPECIFICATIONS

Parameter

AD9241

Units

RESOLUTION

14

Bits min

MAX CONVERSION RATE

1.25

MHz min

INPUT REFERRED NOISE

VREF = 1 V

0.9

LSB rms typ

VREF = 2.5 V

0.36

LSB rms typ

ACCURACY

Integral Nonlinearity (INL)

±2.5

LSB typ

Differential Nonlinearity (DNL)

±0.6

LSB typ

±1.0

LSB max

INL

1

±2.5

LSB typ

DNL

1

±0.7

LSB typ

No Missing Codes

14

Bits Guaranteed

Zero Error (@ +25

°C)

0.3

% FSR max

Gain Error (@ +25

°C)2

1.5

% FSR max

Gain Error (@ +25

°C)3

0.75

% FSR max

TEMPERATURE DRIFT

Zero Error

3.0

ppm/

°C typ

Gain Error2

20.0

ppm/

°C typ

Gain Error

3

5.0

ppm/

°C typ

POWER SUPPLY REJECTION

0.1

% FSR max

ANALOG INPUT

Input Span (with VREF = 1.0 V)

2

V p-p min

Input Span (with VREF = 2.5 V)

5

V p-p max

Input (VINA or VINB) Range

0

V min

AVDD

V max

Input Capacitance

16

pF typ

INTERNAL VOLTAGE REFERENCE

Output Voltage (1 V Mode)

1

Volts typ

Output Voltage Tolerance (1 V Mode)

±14

mV max

Output Voltage (2.5 V Mode)

2.5

Volts typ

Output Voltage Tolerance (2.5 V Mode)

±35

mV max

Load Regulation4

5.0

mV max

REFERENCE INPUT RESISTANCE

5

k

Ω typ

POWER SUPPLIES

Supply Voltages

AVDD

+5

V (

±5% AVDD Operating)

DVDD

+5

V (

±5% DVDD Operating)

DRVDD

+5

V (

±5% DRVDD Operating)

Supply Current

IAVDD

13.0

mA max (10 mA typ )

IDRVDD

1.0

mA max (1 mA typ )

IDVDD

3.0

mA max (2 mA typ )

POWER CONSUMPTION

65

mW typ

85

mW max

NOTES

1VREF =1 V.

2Including internal reference.

3Excluding internal reference.

4Load regulation with 1 mA load current (in addition to that required by the AD9241).

Specification subject to change without notice.

(AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, fSAMPLE = 1.25 MSPS, VREF = 2.5 V, VINB = 2.5 V,

TMIN to TMAX unless otherwise noted)

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