DAC1054CIN datasheet(3/14 Pages) NSC

Nome de Peças	DAC1054CIN

Descrição Electrónicos	Quad 10-Bit Voltage-Output Serial D/A Converter with Readback

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Fabricante Electrônico	NSC [National Semiconductor (TI)]

Página de início	http://www.national.com

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Converter Electrical Characteristics (Continued)

The following specifications apply for AVCC e DVCC e 5V VREF e 265V VBIAS e 14V RL e 2kX (RL is the load resistor on

the analog outputs – pins 2 13 17 and 23) and fCLK e 10 MHz unless otherwise specified Boldface limits apply for TA

e

TJ from TMIN to TMAX All other limits apply for TA e 25 C

Symbol

Parameter

Conditions

Typical

Limit

Units

(Note 3)

(Note 4)

(Limits)

DIGITAL AND DC ELECTRICAL CHARACTERISTICS

VIN(1)

Logical ‘‘1’’ Input Voltage

AVCC e DVCC e 55V

20

V (min)

VIN(0)

Logical ‘‘0’’ Input Voltage

AVCC e DVCC e 45V

08

V (max)

IIL

Digital Input Leakage Current

1

m

A (max)

CIN

Input Capacitance

4

pF

COUT

Output Capacitance

5

pF

VOUT(1)

Logical ‘‘1’’ Output Voltage

ISOURCE e 08 mA

24

V (min)

VOUT(0)

Logical ‘‘0’’ Output Voltage

ISINK e 32 mA

04

V (max)

VINT

Interrupt Pin Output Voltage

10 kX Pullup

04

V (max)

IS

Supply Current

Outputs Unloaded

14

20

mA

REFERENCE INPUT CHARACTERISTICS

VREF

Input Voltage Range

0 – 275

V

RREF

Input Resistance

7

4

kX (min)

9

kX (max)

CREF

Input Capacitance

Full-Scale Data Input

25

pF

VBIAS INPUT CHARACTERISTICS

VBIAS

VBIAS Input Voltage Range

03 – 14

V

Input Leakage

1

m

A

CBIAS

Input Capacitance

9

pF

BANDGAP REFERENCE CHARACTERISTICS

(CL e 220mF)

VREFOUT

Output Voltage

265 g 2%

V

D

VREF DT

Tempco

(Note 23)

29

ppm C

Line Regulation

45V k VCC k 55V IL e 4mA

5

mV

D

VREF DIL

Load Regulation

0 k IL k 4mA

10

mV

b

1 k IL k 0 mA

25

mV

ISC

Short Circuit Current

VREFOUT e 0V

12

mA

AC ELECTRICAL CHARACTERISTICS

tDS

Data Setup Time

15

ns (min)

tDH

Data Hold Time

0

ns (min)

tCS

Control Setup Time

15

ns (min)

tCH

Control Hold Time

0

ns (min)

fWMAX

Clock Frequency Write

10

MHz (max)

fRMAX

Clock Frequency Readback

5

MHz (max)

tH

Minimum Clock High Time

20

ns (min)

tL

Minimum Clock Low Time

20

ns (min)

3

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