Burr Brown Corporation DAC2813 Datasheet

®

DUAL 12-BIT DIGITAL-TO-ANALOG

CONVERTER (12-bit port interface)

FEATURES

● COMPLETE WITH REFERENCE AND

OUTPUT AMPLIFIERS

● 12-BIT PORT INTERFACE

● ANALOG OUTPUT RANGE:

● MONOTONICITY GUARANTEED OVER

TEMPERATURE

DESCRIPTION

±10V

DAC2813

● INTEGRAL LINEARITY

ERROR:

±12V to ±15V SUPPLIES

●

● 28-PIN PLASTIC DIP PACKAGE

±1/2LSB max

DAC2813 is a complete dual 12-bit digital-to-analog
converter with bus interface logic. Each package in­cludes a precision +10V voltage reference, double­buffered bus interface including a RESET function
and 12-bit D/A converters with voltage-output opera­tional amplifiers.

The double-buffered interface consists of a 12-bit
input latch and a D/A latch for each D/A converter. A
RESET control allows the D/A outputs to be asyn­chronously reset to bipolar zero, a feature useful for
power-up reset, system initialization and recalibration.

DAC2813

LSB

DB0

12-bit

12

Latches

DB11

MSB

DAC2813 output range resistors are internally con­nected for 20V full scale range. A 0 to 10V range can
be connected using the bipolar offset resistor. Gain
and bipolar offset of each D/A are adjustable with
external trim potentiometers.

DAC2813 is available in one performance grade with
a integral linearity error of 1/2LSB and 12-bit mono­tonicity guaranteed over temperature. It is packaged in
28-pin 0.6in. wide plastic DIP package and specified

o

over –40

10V

Reference

D/A 1

D/A 2

C to +85oC.

V

REF OUT

V

REF IN 1

BPO 1

V

OUT 1

V

REF IN 2

BPO 2

V

OUT 2

International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: [phone] • Twx: 910-952-1111

Internet: http://www.burr-brown.com/ • FAXLine: [phone] (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: [phone] • Immediate Product Info: [phone]

© 1992 Burr-Brown Corporation PDS-1147C Printed in U.S.A. October, 1993

SPECIFICATIONS

ELECTRICAL

At TA = +25oC, +VCC = +12V or +15V, –VCC = –12V or –15V, unless otherwise noted.

PARAMETER CONDITIONS MIN TYP MAX UNITS
INPUTS
DIGITAL INPUTS Over Temperature

Input Code
Logic Levels
V
V
Logic Input Currents
DB0-DB11, WR, LDAC, RESET,EN
I

IH

I

IL

(1)

(2)

IH
IL

X

Range Bipolar Offset Binary

+2 +5.5

0 +0.8 V

V

= +2.7V ±20 µA

I

V

= +0.4V ±20 µA

I

TRANSFER CHARACTERISTICS
ACCURACY

Linearity Error ±1/4 ±1/2 LSB
Differential Linearity Error ±1/2 ±1 LSB
Gain Error
Bipolar Zero Error

(5,6)

(5,7)

Power Supply Sensitivity
Of Full Scale +V

–V

CC
CC

DRIFT Over Specification

Temperature Range
Gain ±5 ±30 ppm/°C
Bipolar Zero Drift ±5 ±15 ppmFSR/°C
Linearity Error over Temperature ±1/2 ±3/4 LSB
Monotonicity Guaranteed

DYNAMIC CHARACTERISTICS
SETTLING TIME

(8)

To within ±0.012%FSR

of Final Value

5kΩ || 500pF Load
Full Scale Range Change 20V Range 4.5 6 µs
1LSB Output Step
Slew Rate 10 V/µs
Crosstalk

(10)

(9)

At Major Carry 2 µs

5kΩ Loads 0.1 LSB

OUTPUT

Output Voltage Range ±V
Output Current ±5mA

≥ ±11.4V ±10 V

CC

Output Impedance 0.2 Ω
Short Circuit to ACOM Duration Indefinite

REFERENCE VOLTAGE

Voltage +9.95 +10.00 +10.05 V
Source Current Available
for External Loads 2 mA
Impedance 0.2 Ω
Temperature Coefficient ±5 ±25 ppm/°C
Short Circuit to Common Duration Indefinite

POWER SUPPLY REQUIREMENTS

Voltage:+V

Current: No Load

+V
–V
Power Dissipation 540 660 mW
Potential at DCOM with
Respect to ACOM

–V

CC

CC

±V

= ±15V

CC
CC

(11)

CC

+11.4 +15 +16.5 V
–11.4 –15 –16.5 V

–3 +3 V

TEMPERATURE RANGES

Specification –40 +85 °C
Storage –60 +100 °C
Thermal Resistance,

θ

,Plastic DIP 30 °C/W

JA

NOTES: (1) For Two’s Complement Input Coding invert the MSB with an external logic inverter. (2) Digital inputs are TTL and +5V CMOS compatible over the
specification temperature range. (3) Open DATA input lines will be pulled above +5.5V. See discussion under LOGIC INPUT COMPATIBILITY section. (4) FSR means
Full Scale Range. For example, for ±10V output, FSR = 20V. (5) Adjustable to zero with external trim potentiometer. (6) Specified with 500Ω connected between
V

and V

REF OUT

and BPO. (8) Maximum represents the 3σ limit. Not 100% tested for this parameter. (9) For the worst-case code change: 7FF

OUT

(10) Crosstalk is defined as the change in any output as a result of any other output being driven from –10V to +10V at rated output current. (11) The maximum voltage

. (7) Error at input code 800

REF IN

. DAC2813 specified with 100Ω connected betweenV

HEX

at which ACOM and DCOM may be separated without affecting accuracy specifications.

DAC2813AP

(3)

±0.05 ±0.2 %
±0.05 ±0.2 %FSR

±5 ±20 ppmFSR/%+V
±1 ±10 ppmFSR/%–V

24 30 mA
12 14 mA

REF OUT

and V

; and with 500Ω connected between V

REF IN

HEX

to 800

HEX

and 800

HEX

V

(4)

to 7FF

HEX

CC
CC

REF

.

®

DAC2813 2

ABSOLUTE MAXIMUM RATINGS

+VCC to ACOM ............................................................................0 to +18V

–V

to ACOM ............................................................................ 0 to –18V

CC

+V

to –VCC...............................................................................0 to +36V

CC

ACOM to DCOM .................................................................................. ±4V

Digital Inputs to DCOM ...........................................................–1V to +V

External Voltage applied to BPO Resistor ......................................... ±18V

V

.............................................................. Indefinite short to ACOM

REF OUT

V

............................................................................ Momentary to ±18V

OUT

Lead Temperature, soldering 10s .................................................. +300

Max Junction Temperature .............................................................. 165

NOTE: (1) Stresses above those listed under “Absolute Maximum Ratings” may
cause permanent damage to the device. Exposure to absolute maximum
conditions for extended periods may affect device reliability.

(1)

CC

o

C

o

C

BLOCK DIAGRAM

ELECTROSTATIC
DISCHARGE SENSITIVITY

Electrostatic discharge can cause damage ranging from per­formance degradation to complete device failure. Burr-Brown
Corporation recommends that all integrated circuits be handled
and stored using appropriate ESD protection methods.

PACKAGE/ORDERING INFORMATION

PACKAGE
DRAWING TEMPERATURE

PRODUCT PACKAGE NUMBER

DAC2813AP 28-Pin DBL Wide DIP 215 –40°C to +85°C

NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix C of Burr-Brown IC Data Book.

(1)

RANGE

WR 14

EN

RESET

EN

MSB

DB11

123456789101112

16

1

17LDAC

13

15

2

12-Bit Input Latch

12-Bit D/A Latch

12-Bit D/A Converter

49.5kΩ

12-Bit Input Latch

12-Bit D/A Latch

12-Bit D/A Converter

49.5kΩ

LSB
DB0

12

0–800µA

12

0–800µA

24.9kΩ

25kΩ

24.9kΩ

25kΩ

BPO 1

24

28

V

OUT 1

V

26

REF IN 1

BPO 2

23

27

V

OUT 2

NOTE: RESET does not reset input latches.

+10V

Reference

21

V

REF OUT

22 19 20

ACOM

18

DCOM

–V

3

CC+VCC

DAC2813

V

25

REF IN 2

®