AD9243AS View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD9243AS

Complete 14-Bit, 3.0 MSPS Monolithic A/D Converter

Analog Devices 

AD9243–SPECIFICATIONS

DC SPECIFICATIONS (AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, fSAMPLE = 3 MSPS, VREF = 2.5 V, VINB = 2.5 V, TMIN to TMAX unless

otherwise noted)

Parameter

AD9243

Units

RESOLUTION

14

Bits min

MAX CONVERSION RATE

INPUT REFERRED NOISE

VREF = 1 V

VREF = 2.5 V

ACCURACY

Integral Nonlinearity (INL)

Differential Nonlinearity (DNL)

INL1

DNL1

No Missing Codes

Zero Error (@ +25°C)

Gain Error (@ +25°C)2

Gain Error (@ +25°C)3

TEMPERATURE DRIFT

Zero Error

Gain Error2

Gain Error3

POWER SUPPLY REJECTION

3

MHz min

0.9

LSB rms typ

0.36

LSB rms typ

± 2.5

LSB typ

± 0.6

LSB typ

± 1.0

LSB max

± 2.5

LSB typ

± 0.7

LSB typ

14

Bits Guaranteed

0.3

% FSR max

1.5

% FSR max

0.75

% FSR max

3.0

ppm/°C typ

20.0

ppm/°C typ

5.0

ppm/°C typ

0.1

% FSR max

ANALOG INPUT

Input Span (with VREF = 1.0 V)

Input Span (with VREF = 2.5 V)

Input (VINA or VINB) Range

Input Capacitance

2

5

0

AVDD

16

V p-p min

V p-p max

V min

V max

pF typ

INTERNAL VOLTAGE REFERENCE

Output Voltage (1 V Mode)

1

Output Voltage Tolerance (1 V Mode)

± 14

Output Voltage (2.5 V Mode)

2.5

Output Voltage Tolerance (2.5 V Mode)

± 35

Load Regulation4

2.0

REFERENCE INPUT RESISTANCE

5

POWER SUPPLIES

Supply Voltages

AVDD

+5

DVDD

+5

DRVDD

+5

Supply Current

IAVDD

23.0

IDRVDD

1.0

IDVDD

5.0

Volts typ

mV max

Volts typ

mV max

mV max

kΩ typ

V (± 5% AVDD Operating)

V (± 5% DVDD Operating)

V (± 5% DRVDD Operating)

mA max (20 mA typ)

mA max (0.5 mA typ)

mA max (3.5 mA typ)

POWER CONSUMPTION

110

145

NOTES

1VREF =1 V.

2Including internal reference.

3Excluding internal reference.

4Load regulation with 1 mA load current (in addition to that required by the AD9243).

Specification subject to change without notice.

mW typ

mW max

–2–

REV. A

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