SP9842KS datasheet(2/32 Pages) SIPEX

Part #	SP9842KS

Description	8-Bit Octal, 2-Quadrant Multiplying, BiCMOS DAC

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Manufacturer	SIPEX [Sipex Corporation]

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268

ABSOLUTE MAXIMUM RATINGS

These are stress ratings only and functional operation of the device

at these or any other above those indicated in the operation

sections of the specifications below is not implied. Exposure to

absolute maximum rating conditions for extended periods of time

may affect reliability.

V

DD to GND ...................................................................... -0.3V, +7V

V

INX to GND ............................................................................... VDD

V

REFL to GND ............................................................................. VDD

V

OUTX to GND ............................................................................ VDD

Short Circuit I

OUTX to GND ............................................ Continuous

Digital Input & Output Voltage to GND ....................................... V

DD

Operating Temperature Range

Commercial: SP9841K/SP9842K .............................. 0

°C to +70°C

Extended Industrial: SP9841B/SP9842B ................ -40

°C to +85°C

Maximum Junction Temperature (T

J max) .......................... +150°C

Storage Temperature ................................................. -65

° to 150°C

Lead Temperature (Soldering, 10 sec) ............................... +300

°C

Package Power Dissipation ................................. (T

J max - TA)/∅JA

Thermal Resistance

∅

JA

P-DIP .................................................................................. 57

°C/W

SOIC-24 .............................................................................. 70

°C/W

SPECIFICATIONS

(V

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

T

MIN ≤ TA =

T

MAX for industrial–grade parts; specifications apply to

all DAC's unless noted otherwise.)

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

SIGNAL INPUTS

Input Voltage Range

0

1.625

V

REFL = GND, VDD = 4.75V

Input Resistance

D = 55

H; Code Dependent

SP9841

510

k

Ω

SP9842

2.5

5

k

Ω

Input Capacitance

Code Dependent

SP9841

19

30

pF

SP9842

38

60

pF

V

REFL Resistance

0.375

0.75

k

Ω

All D = AB

H; Code Dependent

V

REFL Capacitance

190

250

pF

Code Dependent

DIGITAL INPUTS

Logic High

2.4

V

Logic Low

0.8

V

Input Current

±10

µA

Input Capacitance

8

pF

Input Coding

Binary

STATIC ACCURACY

Resolution

8

Bits

Integral Nonlinearity

±0.25

±1.0

LSB

Note 1

Differential Nonlinearity

±0.2

±1.0

LSB

Note 1

Half-Scale Output Voltage

1.600

1.625

1.650

V

PR = LOW, Sets D = 80

H

Zero-Scale Output Voltage

20

100

mV

D = 00

H

Output Voltage Drift

25

µV/°C

PR = LOW, Sets D = 80

H

DYNAMIC PERFORMANCE

Multiplying Gain Bandwidth

4

6.3

MHz

V

INX = 100 mV p-p+ 1.0V dc

Slew Rate

Measured 10% to 90%

Positive

3.0

7.9

V/

µsV

OUTX = 100mV to +3.1V

Negative

–3.0

–8.3

V/

µsV

OUTX = +3.1V to 100mV

Total Harmonic Distortion

0.005

%

V

INX = 0.8VDC + 1.4V p-p

D= FF

H; 1kHz, fLP = 80 kHz

Output Settling Time

0.7

µs

±1 LSB Error Band, 8

H to

255

H

Crosstalk

60

70

dB

Note 2

Digital Feedthrough

6

nVs

V

REFL = +1.625V, D = 0 to FFH

Wideband Noise

42.5

µV rms

V

OUT = 3.25V; 400Hz to 80kHz

CAUTION:

While all input and output pins have inter-

nal protection networks, these parts should

be considered ESD (ElectroStatic Dis-

charge) sensitive devices. Permanent dam-

age may occur on unconnected devices sub-

ject to high energy electrostatic fields. Un-

used devices must be stored in conductive

foam or shunts. Personnel should be prop-

erly grounded prior to handling this device.

The protective foam should be discharged to

the destination socket before devices are re-

moved.

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