DAC8043 datasheet(2/7 Pages) BURR-BROWN

Nome de Peças	DAC8043

Descrição Electrónicos	CMOS 12-Bit Serial Input Multiplying DIGITAL-TO-ANALOG CONVERTER

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Fabricante Electrônico	BURR-BROWN [Burr-Brown (TI)]

Página de início	http://www.burr-brown.com

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2

®

DAC8043

DAC8043U

DAC8043UC

SPECIFICATIONS

ELECTRICAL CHARACTERISTICS

At V

DD = +5V; VREF = +10V; IOUT = GND = 0V; TA = Full Temperature Range specified under Absolute Maximum Ratings, unless otherwise noted.

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes

no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change

without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant

any BURR-BROWN product for use in life support devices and/or systems.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

STATIC PERFORMANCE

Resolution

N

12

Bits

Nonlinearity(1)

INL

±1

±1/2

LSB

Differential Nonlinearity(2)

DNL

±1

±1/2

LSB

Gain Error(3)

FSE

T

A = +25°C

±2

±1

LSB

T

A = Full Temp Range

±2

LSB

Gain Tempco(5)

TC

FSE

±5

ppm/

°C

Power Supply Rejection Ratio

PSRR

∆V

DD = ±5%

±0.0006

±0.002

±0.0006

±0.002

%/%

Output Leakage Current(4)

I

LKG

T

A = +25°C

±5

±5nA

T

A = Full Temp Range

±100

±25

nA

Zero Scale Error(7, 12)

I

ZSE

T

A = +25°C

0.03

LSB

T

A = Full Temp Range

0.60

0.15

LSB

Input Resistance(8)

R

IN

7

11

15

7

11

15

k

Ω

AC PERFORMANCE

Output Current Settling Time(5, 6)

t

S

T

A = +25°C

0.25

1

0.25

1

µs

Digital-to-Analog Glitch

V

REF = 0V

2

20

2

20

nVs

Energy(5, 10)

QI

OUT = Load = 100Ω

C

EXT = 13pF

DAC Register Loaded Alternately with all 0s and all 1s

Feedthrough Error(5, 11)

FT

V

REF = 20Vp-p at f = 10kHz

0.7

1

0.7

1

mVp-p

(V

REF to IOUT)

Digital Input = 0000 0000 0000

T

A = +25°C

Total Harmonic Distortion(5)

THD

V

REF = 6VRMS at 1kHz

–85

dB

DAC Register Loaded with all 1s

Output Noise Voltage Density(5, 13)

e

N

10Hz to 100kHz

17

nV/

√Hz

Between R

FB and IOUT

DIGITAL INPUTS

Digital Input High

V

IH

2.4

V

Digital Input Low

V

IL

0.8

V

Input Leakage Current(9)

I

IL

V

IN = 0V to +5V

±1

µA

Input Capacitance(5, 11)

C

IN

V

IN = 0V

8

pF

ANALOG OUTPUTS

Output Capacitance(5)

C

OUT

Digital Inputs = V

IH

110

pF

Digital Inputs = V

IL

80

pF

TIMING CHARACTERISTICS(5, 14)

Data Setup Time

t

DS

T

A = Full Temperature Range

40

ns

Data Hold Time

t

DH

T

A = Full Temperature Range

80

ns

Clock Pulse Width High

t

CH

T

A = Full Temperature Range

90

ns

Clock Pulse Width Low

t

CL

T

A = Full Temperature Range

120

ns

Load Pulse Width

t

LD

T

A = Full Temperature Range

120

ns

LSB Clock into Input Register

to Load DAC Register Time

t

ASB

T

A = Full Temperature Range

0

ns

POWER SUPPLY

Supply Voltage

V

DD

4.75

5

5.25

4.75

5

5.25

V

Supply Current

I

DD

Digital Inputs = V

IH or VIL

500

µA

Digital Inputs = 0V or V

DD

100

µA

NOTES: (1)

±1/2 LSB = ±0.012% of Full Scale. (2) All grades are monotonic to 12-bits over temperature. (3) Using internal feedback resistor. (4) Applies to I

OUT; All

digital inputs = 0V. (5) Guaranteed by design and not tested. (6) I

OUT Load = 100Ω, CEXT = 13pF, digital input = 0V to VDD or VDD to 0V. Extrapolated to 1/2 LSB:

t

S = propagation delay (tPD) + 9τ where τ = measured time constant of the final RC decay. (7) VREF = +10V, all digital inputs = 0V. (8) Absolute temperature coefficient

is less than

±50ppm/°C. (9) Digital inputs are CMOS gates: I

IN is typically 1nA at +25°C. (10) VREF = 0V, all digital inputs = 0V to VDD or VDD to 0V. (11) All digital

inputs = 0V. (12) Calculated from worst case R

REF: IZSE (in LSBs) = (RREF X ILKG X 4096)/VREF. (13) Calculations from en = √4K TRB where: K = Boltzmann constant,

J/

°K, R = resistance, Ω. T = Resistor temperature, °K, B = bandwidth, Hz. (14) Tested at V

IN = 0V or VDD.

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