AD9240(RevA) データシートの表示（PDF） - Analog Devices

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AD9240
(Rev.:RevA)

Complete 14-Bit, 10 MSPS Monolithic A/D Converter

Analog Devices 

AD9240–SPECIFICATIONS

DC SPECIFICATIONS (AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, fSAMPLE = 10 MSPS, RBIAS = 2 k⍀, VREF = 2.5 V, VINB = 2.5 V,

TMIN to TMAX unless otherwise noted)

Parameter

AD9240

Units

RESOLUTION

14

Bits min

MAX CONVERSION RATE

10

MHz min

INPUT REFERRED NOISE

VREF = 1 V

VREF = 2.5 V

0.9

LSB rms typ

0.36

LSB rms typ

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

± 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

TEMPERATURE DRIFT

Zero Error

Gain Error2

Gain Error3

3.0

ppm/°C typ

20.0

ppm/°C typ

5.0

ppm/°C typ

POWER SUPPLY REJECTION

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

5.0

Volts typ

mV max

Volts typ

mV max

mV max

REFERENCE INPUT RESISTANCE

5

kΩ typ

POWER SUPPLIES

Supply Voltages

AVDD

DVDD

DRVDD

Supply Current

IAVDD

IDRVDD

IDVDD

+5

V (± 5% AVDD Operating)

+5

V (± 5% DVDD Operating)

+5

V (± 5% DRVDD Operating)

50

mA max (46 mA typ)

1

mA max (0.1 mA typ)

15

mA max (11 mA typ)

POWER CONSUMPTION

330

mW max (285 mW typ)

NOTES

1VREF = 1 V.

2Including internal reference.

3Excluding internal reference.

4Load regulation with 1 mA load current (in addition to that required by the AD9240).

Specification subject to change without notice.

–2–

REV. A

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