AD9248BST-65EBZ datasheet(4/49 Pages) AD

Nome de Peças	AD9248BST-65EBZ

Descrição Electrónicos	Dual A/D Converter

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Fabricante Electrônico	AD [Analog Devices]

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AD9248

Rev. B | Page 3 of 48

SPECIFICATIONS

DC SPECIFICATIONS

AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, CLK_A = CLK_B; AIN = −0.5 dBFS differential input, 1.0 V internal reference,

TMIN to TMAX, DCS enabled, unless otherwise noted.

Table 1.

Test

AD9248BST/BCP-20

AD9248BST/BCP-40

AD9248BST/BCP-65

Parameter

Temp

Level

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Unit

RESOLUTION

Full

VI

14

Bits

ACCURACY

No Missing Codes Guaranteed

Full

VI

14

Bits

Offset Error

25°C

I

±0.2

±1.3

±0.2

±1.3

±0.2

±1.3

% FSR

Gain Error1

Full

IV

±0.25

±2.2

±0.3

±2.4

±0.5

±2.5

% FSR

Differential Nonlinearity (DNL)2

Full

V

±0.65

±0.7

LSB

25°C

IV

±0.6

±1.0

±0.6

±1.0

±0.65

±1.0

LSB

Integral Nonlinearity (INL)2

Full

V

±2.7

±2.8

LSB

25°C

IV

±2.3

±4.5

±2.3

±4.5

±2.4

±4.5

LSB

TEMPERATURE DRIFT

Offset Error

Full

V

±2

±3

ppm/°C

Gain Error1

Full

V

±12

ppm/°C

INTERNAL VOLTAGE REFERENCE

Output Voltage Error (1 V Mode)

Full

VI

±5

±35

±5

±35

±5

±35

mV

Load Regulation @ 1.0 mA

Full

V

0.8

mV

Output Voltage Error (0.5 V Mode)

Full

V

±2.5

mV

Load Regulation @ 0.5 mA

Full

V

0.1

mV

INPUT REFERRED NOISE

Input Span = 1 V

25°C

V

2.1

LSB rms

Input Span = 2.0 V

25°C

V

1.05

LSB rms

ANALOG INPUT

Input Span = 1.0 V

Full

IV

1

V p-p

Input Span = 2.0 V

Full

IV

2

V p-p

Input Capacitance3

Full

V

7

pF

REFERENCE INPUT RESISTANCE

Full

V

7

kΩ

POWER SUPPLIES

Supply Voltages

AVDD

Full

IV

2.7

3.0

3.6

2.7

3.0

3.6

2.7

3.0

3.6

V

DRVDD

Full

IV

2.25

3.0

3.6

2.25

3.0

3.6

2.25

3.0

3.6

V

Supply Current

IAVDD2

Full

V

60

110

200

mA

IDRVDD2

Full

V

5

11

16

mA

PSRR

Full

V

±0.01

% FSR

POWER CONSUMPTION

DC Input4

Full

V

180

330

600

mW

Sine Wave Input2

Full

VI

190

217

360

400

640

700

mW

Standby Power5

Full

V

2.0

mW

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