AD9257BCPZRL7-65 datasheet(3/40 Pages) AD

No. de pieza	AD9257BCPZRL7-65

Descripción Electrónicos	Octal, 14-Bit, 40/65 MSPS, Serial LVDS

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Data Sheet

AD9257

Rev. 0 | Page 3 of 40

SPECIFICATIONS

DC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, 2 V p-p differential input, 1.0 V internal reference, AIN = −1.0 dBFS, unless otherwise noted.

Table 1.

Parameter1

Temp

AD9257-40

AD9257-65

Min

Typ

Max

Min

Typ

Max

Unit

RESOLUTION

14

Bits

ACCURACY

No Missing Codes

Full

Guaranteed

Offset Error

Full

−0.6

−0.3

+0.1

−0.7

−0.3

+0.1

% FSR

Offset Matching

Full

0

0.2

0.6

0

0.23

0.6

% FSR

Gain Error

Full

−6.0

−2.1

2.0

−6.0

−2.9

+1.0

% FSR

Gain Matching

Full

−1.0

+1.7

+5.0

−1.0

+1.6

+5.0

% FSR

Differential Nonlinearity (DNL)

Full

−1.0

−0.5/+0.8

+1.7

−1.0

±0.6

+1.6

LSB

Integral Nonlinearity (INL)

Full

−3.1

±1.1

+3.1

−4.0

±1.1

+4.0

LSB

TEMPERATURE DRIFT

Offset Error

Full

±2

ppm/°C

INTERNAL VOLTAGE REFERENCE

Output Voltage (1 V Mode)

Full

0.98

0.99

1.01

0.98

0.99

1.01

V

Load Regulation at 1.0 mA (VREF = 1 V)

Full

2

mV

Input Resistance

Full

7.5

kΩ

INPUT-REFERRED NOISE

VREF = 1.0 V

25°C

0.94

LSB rms

ANALOG INPUTS

Differential Input Voltage (VREF = 1 V)

Full

2

V p-p

Common-Mode Voltage

Full

0.9

V

Differential Input Resistance

5.2

kΩ

Differential Input Capacitance

Full

3.5

pF

POWER SUPPLY

AVDD

Full

1.7

1.8

1.9

1.7

1.8

1.9

V

DRVDD

Full

1.7

1.8

1.9

1.7

1.8

1.9

V

IAVDD

Full

147

156

198

211

mA

IDRVDD (ANSI-644 Mode)

Full

53

85

60

93

mA

IDRVDD (Reduced Range Mode)

25°C

38

45

mA

TOTAL POWER CONSUMPTION

Total Power Dissipation (Four Channels, ANSI-644

Mode)

Full

360

434

464

547

mW

Total Power Dissipation (Four Channels, Reduced

Range Mode)

25°C

333

437

mW

Power-Down Dissipation

25°C

1

mW

Standby Dissipation2

25°C

74

92

mW

1 See the AN-835 Application Note, Understanding High Speed ADC Testing and Evaluation, for definitions and for details on how these tests were completed.

2 Can be controlled via the SPI.

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