DAC8043A datasheet(2/8 Pages) AD

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REV. 0

–2–

DAC8043A–SPECIFICATIONS

Parameter

Symbol

Condition

E Grade

F Grade

Units

STATIC PERFORMANCE

Resolution

Bits

Relative Accuracy

INL

±0.5

±1.0

LSB max

Differential Nonlinearity

DNL

All Grades Monotonic to 12 Bits

±0.5

±1.0

LSB max

Gain Error

GFSE

TA = +25°C, Data = FFFH

±1.0

±2.0

LSB max

TA = –40°C, +85°C, Data = FFFH

±2.0

LSB max

Gain Tempco

TCGFS

IOUT Pin Measured

±5

ppm/

°C max

Output Leakage Current

ILKG

Data = 000H, IOUT Pin Measured

±5

nA max

TA = –40°C, +85°C, Data = 000H, IOUT Pin Measured ± 25

±25

nA max

Zero-Scale Error

IZSE

Data = 000H

0.03

LSB max

TA = –40°C, +85°C, Data = 000H

0.15

LSB max

REFERENCE INPUT

Input Resistance

RREF

Absolute Tempco < 50 ppm/

°C

7/15

Ω min/max

Input Capacitance

CREF

pF typ

ANALOG OUTPUT

Output Capacitance

COUT

Data = 000H

pF typ

Data = FFFH

pF typ

DIGITAL INPUTS

Digital Input Low

VIL

0.8

V max

Digital Input High

VIH

2.4

V min

Input Leakage Current

IIL

VLOGIC = 0 V to +5 V

0.001/

± 1 0.001/± 1 µA typ/max

Input Capacitance

CIL

VLOGIC = 0 V

pF max

INTERFACE TIMING

2, 4

Data Setup

tDS

ns min

Data Hold

tDH

ns min

Clock Width High

tCH

ns min

Clock Width Low

tCL

ns min

Load Pulsewidth

tLD

ns min

LSB CLK to

LD DAC

tASB

ns min

AC CHARACTERISTICS

1, 2

Output Current Settling Time

±0.01% of Full Scale, Ext Op Amp OP42

µs max

DAC Glitch

Data = 000H to FFFH to 000H, VREF = 0 V

nVs max

Feedthrough (VOUT/VREF)FT

VREF = 20 V p-p, Data = 000H, f = 10 kHz

mV p-p

Total Harmonic Distortion

THD

VREF = 6 V rms, Data = FFFH, f = 1 kHz

–85

dB typ

Output Noise Density

10 Hz to 100 kHz Between RFB and IOUT

nV/

√Hz max

Multiplying Bandwidth

–3 dB, VOUT/VREF, VREF = 100 mV rms, Data = FFFH

2.4

MHz typ

SUPPLY CHARACTERISTICS

Power Supply Range

VDD RANGE

4.5/5.5

V min/max

Positive Supply Current

IDD

VLOGIC = 0 V or VDD

µA max

Power Dissipation

PDISS

VLOGIC = 0 V or VDD

µW max

Power Supply Sensitivity

PSS

∆V

DD = ± 5%

0.002

%/% max

NOTES

1Using internal feedback resistor R

FB, see Figure 19 test circuit with V REF = +10 V.

2These parameters are guaranteed by design and not subject to production testing.

3Calculated from worst case R

REF: IZSE(LSB) = (RREF × ILKG × 4096)/VREF.

4All input control signals are specified with t

R = tF = 2 ns (10% to 90% of +5 V) and timed from a voltage level of 1.6 V.

5Calculation from e

n = √4KTRB where: K = Boltzmann Constant (J/ °K), R = Resistance (Ω), T = Resistor Temperature (°K), B = 1 Hz Bandwidth.

Specifications subject to change without notice.

ELECTRICAL CHARACTERISTICS (@ V

DD = +5 V, VREF = +10 V, –40 C < TA < +85 C, unless otherwise noted.)

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