SP574B/674B/1674B/774B

12–Bit Sampling A/D Converters

© Copyright 2000 Sipex Corporation

2

ABSOLUTE MAXIMUM RATINGS

V

V

Analog Common to Digital Common .........................................

±1V

Control Inputs to Digital Common ................. –0.5V to V

(CE, CS, A

Analog Input Voltage Range ...........................................

±FS ±30%

Analog Inputs to Analog Common ......................................

±16.5V

(REF IN, BIP OFF, 10V

20V

REF OUT ............................................... Indefinite short to common

................................................................... Momentary short to V

CC

Power Dissipation ............................................................. 1000mW

Lead Temperature, Soldering .................................. 300˚C, 10Sec

J/C ..................................................................................... 45˚C/W

MTBF–25˚C Ground Base ................................ 2.915 million hours

MTBF–125˚C Missile Launch ...................... 10.16 thousand hours

CAUTION:

ESD (ElectroStatic Discharge) sensitive

device. Permanent damage may occur on

unconnected devices subject to high energy

electrostatic fields. Unused devices must be

stored in conductive foam or shunts.

Personnel should be properly grounded prior

to handling this device. The protective foam

should be discharged to the destination

socket before devices are removed.

SPECIFICATIONS

(Typical @ 25

°C with V

PARAMETER

MIN.

TYP.

MAX.

UNIT

CONDITIONS

RESOLUTION

All models

12

Bits

ANALOG INPUTS

Input Ranges

Bipolar

±5, ±10

V

Unipolar

0 to +10, 0 to +20

V

Input Impedance

SP574B/SP674B

10 Volt Input

3.75

6.25

k

Ω

20 Volt Input

15

25

k

Ω

SP1674B/SP774B

10 Volt Input

1.875

3.125

k

Ω

20 Volt Input

7.45

12.42

k

Ω

Nyquist Frequency

SP574B

20

kHz

SP674B

33

kHz

SP1674B

50

kHz

SP774B

62.5

kHz

DIGITAL INPUTS

Logic Inputs CE, CS R/C, A

Logic 1

+2.4

+5.5

V

Logic 0

–0.3

+0.8

V

Current

±0.1

±50

µA

–0.3V to +5.5V Input

±5

µA

0V to +5.5V Input

Capacitance

5

pF

12/8 Control Input

Hardwire to V

DIGITAL OUTPUTS

Logic Outputs DB

Logic 1

+2.4

V

I

Logic 0

+0.4

V

I

Leakage (High Z State)

±40

µA

Data bits only

Capacitance

5

pF

Parallel Data Output Codes

Unipolar

Positive true binary

Bipolar

Positive true offset binary

INTERNAL REFERENCE

Output Voltage

10.00

±0.1

V

Output Current

2

mA

Note 1