AD871SE datasheet(2/16 Pages) AD

No de pièce	AD871SE

Description	Complete 12-Bit 5 MSPS Monolithic A/D Converter

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Fabricant	AD [Analog Devices]

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AD871

REV. A

–2–

DC SPECIFICATIONS

Parameter

J Grade

1

S Grade

l

Units

RESOLUTION

12

Bits min

MAX CONVERSION RATE

5

MHz min

INPUT REFERRED NOISE

0.17

LSB rms typ

ACCURACY

Integral Nonlinearity (INL)

±1.5

LSB typ

Differential Nonlinearity (DNL)

±0.5

LSB typ

No Missing Codes

12

Bits Guaranteed

Zero Error (@ +25

°C)2

±0.75

% FSR max

Gain Error (@ +25

°C)2

±1.25

% FSR max

TEMPERATURE DRIFT

3

Zero Error

±0.15

±0.3

% FSR max

Gain Error

3, 4

±0.80

±1.75

% FSR max

Gain Error

3, 5

±0.25

±0.50

% FSR max

POWER SUPPLY REJECTION

6

AVDD, DVDD (+5 V

± 0.25 V)

±0.125

% FSR max

AVSS (–5 V ± 0.25 V)

±0.125

% FSR max

ANALOG INPUT

Input Range

±1

Volts max

Input Resistance

50

k

Ω typ

Input Capacitance

10

pF typ

INTERNAL VOLTAGE REFERENCE

Output Voltage

2.5

Volts typ

Output Voltage Tolerance

±20

±40

mV max

Output Current (Available for External Loads)

2.0

mA typ

(External load should not change during conversion.)

REFERENCE INPUT RESISTANCE

5

k

Ω typ

POWER SUPPLIES

Supply Voltages

AVDD

+5

V (

±5% AV

DD Operating)

AVSS

–5

V (

±5% AV

SS Operating)

DVDD

+5

V (

±5% DV

DD Operating)

DRVDD

7

+5

V (

±5% DRV

DD Operating)

Supply Current

IAVDD

87

88

mA max (82 mA typ)

IAVSS

147

150

mA max (115 mA typ)

IDVDD

20

21

mA max (7 mA typ)

IDRVDD

7

2

mA max

POWER CONSUMPTION

1.03

W typ

1.25

1.3

W max

NOTES

1Temperature ranges are as follows: J Grade: 0

°C to +70°C, S Grade: –55°C to +125°C.

2Adjustable to zero with external potentiometers (see Zero and Gain Error Calibration section).

3+25

°C to T

MIN and +25°C to TMAX.

4Includes internal voltage reference error.

5Excludes internal reference drift.

6Change in Gain Error as a function of the dc supply voltage (V

NOMINAL to VMIN, VNOMINAL to VMAX).

7LCC package only.

Specifications subject to change without notice.

(TMIN to TMAX with AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, AVSS = –5 V, fSAMPLE = 5 MHz, unless otherwise

noted)

AD871–SPECIFICATIONS

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