SP9840 datasheet(3/10 Pages) SIPEX

3 / 10 page

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SPECIFICATIONS (continued)

DD = +5V, All VINX= +0V, VREFL = 1.625, TA = 25° C for commercial–grade parts;

MIN ≤ TA =

MAX for industrial–grade parts; specifications apply to all

DAC's unless noted otherwise.)

PARAMETER

MIN.

TYP.

MAX.

UNIT

CONDITIONS

DAC OUTPUTS

Voltage Range

DD – 1.5

L = 5kΩ, VDD = 4.75V

Output Current

±10

±15

Note 7

Capacitive Load

47,000

No Oscillation

DIGITAL OUTPUT

Logic High

3.5

OH = –0.4mA

Logic Low

0.4

OL = 1.5mA

POWER REQUIREMENTS

Power Supply Range

4.75

5.00

5.25

To rated specifications

Positive Supply Current

PR = LOW

Power Dissipation

PR = LOW

ENVIRONMENTAL AND MECHANICAL

Operating Temperature Range

Commercial

+70

°C

Industrial

–40

+85

°C

Storage Temperature Range

–65

+150

°C

Package

SP9840N

24–pin, 0.3" Plastic DIP

SP9840S

24–pin 0.3" SOIC

SP9843S

20–pin, 0.3" SOIC

Note 8

Notes:

Code dependent

All V

IN(x) = GND; D = 55H

Offset binary refers to the output voltage with respect to the signal ground at V

REFL. For a positive

IN(x), the output will increase from negative fullscale to VREFL to positive (fullscale–1 LSB) as the

input code is incremented from 0 to 128 to 255. Note that when V

IN(x) is tied to ground and VREFL is

driven to +1.625V, as in the production tests above, then the resulting DC at V

OUT(x) will decrease

from +2V

REFL to VREFL/128 as the code is increased from 00H to FFH, due to the VIN(x) input being tied

negative with respect to V

REFL.

The op amp limits linearity for V

OUT <100mV. When VIN(x) is driven above ground such that the

output voltage remains above 100mV, then the linearity specifications apply to all codes. For

REFL=1.625V, and VIN(x)=GND, codes 248 through 255 are not included in differential or integral

linearity tests. Integral and differential linearity are computed with respect to the best fit straight line

through codes 0 through 248.

SP9840 is measured between adjacent channels, F=100kHz. SP9843 is measured between

adjacent pairs, F=100kHz.

SP9843 only; measured between channels with shared input; D = 7F

H to 80H

∆V

OUT < 10mV, VREFL

= 1.625V, PR = LOW.

For plastic DIP, consult factory

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