DAC08AF datasheet(5/12 Pages) PHILIPS

Numer części	DAC08AF

Szczegółowy opis	8-Bit high-speed multiplying D/A converter

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Producent	PHILIPS [NXP Semiconductors]

Strona internetowa	http://www.nxp.com

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Philips Semiconductors Linear Products

Product specification

DAC08 Series

8-Bit high-speed multiplying D/A converter

August 31, 1994

720

AC ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

TEST CONDITIONS

DAC08C

DAC08E

DAC08

DAC08H

DAC08A

UNIT

SYMBOL

PARAMETER

TEST CONDITIONS

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

UNIT

tS

Settling time

To

± 1/2LSB, all bits

switched on or off,

TA=25°C

70

135

70

135

70

135

ns

Propagation delay

tPLH

Low-to-High

TA=25°C, each bit.

ns

tPHL

High-to-Low

All bits switched

35

60

35

60

35

60

TEST CIRCUITS

Figure 1. Relative Accuracy Test Circuit

CONTROL

LOGIC

DAC-08

REFERENCE DAC

ACCURACY > 0.006%

NE5534

ERROR

OUTPUT

V–

V+

–

+

16

14

15

5-12

1

2

4

13

3

VREF

RREF

Rf

R15

Figure 2. Transient Response and Settling Time

FOR SETTLING TIME

MEASUREMENT

(ALL BITS

SWITCHED LOW

TO HIGH)

USE RL to GND

FOR TURN OFF

MEASUREMENT

SETTLING TIME

TRANSIENT

RESPONSE

eIN

2.4V

0.4V

1.0V

0

-100mV

1.4V

RL = 500Ω

RL = 50Ω

PIN 4 TO GND

tS = 70ns TYPICAL

TO

±1/2 LSB

tPHL = tPLH = 10ns

tPHL

tPLH

CO ≤ 25pF

15pF

51

5

6

7

8

9

10

11

12

3

13

14

15

1

2

4

16

DAC-08

VEE

VCC

eIN

eO

0.1

µF

0.1

µF

1.0k

0.1

µF

RL

+2.0VDC

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Podobny opis - DAC08AF

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