AD9701 datasheet(3/6 Pages) AD

Part #	AD9701

Description	250 MSPS Video Digital-to-Analog Converter

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Manufacturer	AD [Analog Devices]

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–3–

REV. A

AD9701

AD9701BQ

AD9701SQ/SE

Parameter

Temp

Min

Typ

Max

Min

Typ

Max

Units

POWER SUPPLY

13

Supply Current (–5.2 V)

+25

°C

140

160

140

160

mA

Full

160

mA

Nominal Power Dissipation

+25

°C

728

mW

Power Supply Rejection Ratio

14

Full

3

6

3

6

mV/V

NOTES

1Absolute maximum ratings are limiting values to be applied individually, and beyond which serviceability of the circuit may be impaired. Functional operability under

any of these conditions is not necessarily implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

2Typical thermal impedance . . .

22-Pin Ceramic

θ

JA = 64°C/W; θJC = 16°C/W

28-Pin Ceramic LCC

θ

JA = 70°C/W θJC = 21°C/W

3SYNC, BLANKING, and REFERENCE WHITE are inactive (Logic “1”). I

SET ≈ 1.26 V/RSET.

4All bits at logic HIGH.

5All values are relative to full-scale output after being normalized to nominal value. Typical variation in full-scale output from device to device can reach

± 10%, for a

fixed RSET resistor.

6The effect of 10% BRIGHT algebraically adds to the output waveform.

7The output level with BLANKING active (Logic “0”) is determined by the setup control level.

8In normal operation, the BLANKING input is activated (Logic “0”) prior to or in conjunction with the SYNC input. The effect of the SYNC output is relative to the

setup level.

9Measured from edge of STROBE to 50% transition point of the output signal.

10Measured with full-scale change in output level, from the 10% transition level to within

±0.2% of the final output value.

11Measured from 10% to 90% transition point for full-scale step output.

12An IRE unit is 1% of the Grey Scale (GS range) with a 0 IRE setup level.

13Supply Voltage should remain stable within

±5% for normal operation.

14Measured at

±5% of –V

S.

Specifications subject to change without notice.

DIGITAL INPUTS VS. ANALOG OUTPUT

Bit

10%

Ref.

Comp.

Analog

1

2345678

Bright

White

Blanking

Sync

Output (mV)

1

1111111

0

1

0

1

1111111

1

–71

1

0000000

0

1

–320

0

0000000

0

1

–637.5

0

0000000

1

–708.5

X

XXXXXXX

0

1

0

X

XXXXXXX

1

0

1

–71

X

XXXXXXX

0

1

0

1

–637.501

X

XXXXXXX

0

1

0

1

–690.75

2

X

XXXXXXX

0

1

0

1

–708.503

X

XXXXXXX

0

1

0

1

–779.50

4

X

XXXXXXX

0

1

0

–922.50

1

X

XXXXXXX

0

1

0

–975.75

2

X

XXXXXXX

0

1

0

–993.50

3

X

XXXXXXX

0

1

0

–1064.50

4

X

XXXXXXX

1

0

–993.50

1

X

XXXXXXX

1

0

–1046.75

2

X

XXXXXXX

1

0

–1064.50

3

X

XXXXXXX

1

0

–1135.504

NOTES

1Setup (Pin 21) grounded (0 IRE units).

2Setup (Pin 21) open (7.5 IRE units).

3Setup (Pin 21) to –5.2 V through 1 k (0 IRE units).

4Setup (Pin 21) to –5.2 V (20 IRE units).

ORDERING GUIDE

Temperature

Package

Device

Range

Description

Option*

AD9701BQ

–25

°C to +85°C

22-Pin DIP, Industrial Temperature

Q-22

AD9701SE

–55

°C to +125°C

28-Pin LCC, Extended Temperature

E-28A

AD9701SQ

–55

°C to +125°C

22-Pin DIP, Extended Temperature

Q-22

*E = Leadless Ceramic Chip Carrier; Q = Cerdip.

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