ADC0831A, ADC0832A, ADC0831B, ADC0832B

A/D PERIPHERALS WITH SERIAL CONTROL

SLAS006 – AUGUST 1985 – REVISED JUNE 1986

4

POST OFFICE BOX 655303

POST OFFICE BOX 1443

absolute maximum ratings over recommended operating free-air temperature range (unless

otherwise noted)

6.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage range: Logic

– 0.3 V to 15 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Analog

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input current

±5 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Total input current for package

±20 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating free-air temperature range: C-suffix

0

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

I-suffix

– 40

°C to 85°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds

260

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NOTE 1: All voltage values, except differential voltages, are with respect to the network ground terminal.

recommended operating conditions

MIN

NOM

MAX

UNIT

VCC

Supply voltage

4.5

5

6.3

V

VIH

High-level input voltage

2

V

VIL

Low-level input voltage

0.8

V

fclock

Clock frequency

10

400

kHz

Clock duty cycle (see Note 2)

40

60

%

twH(C

S)

Pulse duration, CS high

220

ns

tsu

Setup time, CS low or ADC0832 data valid before CLK

↑

350

ns

th

Hold time, ADC0832 data valid after CLK

↑

90

ns

TA

Operating free air temperature

C-suffix

0

70

°C

TA

Operating free-air temperature

I-suffix

–40

85

°C

NOTE 2: The clock duty cycle range ensures proper operation at all clock frequencies. If a clock frequency is used outside the recommended

duty cycle range, the minimum pulse duration (high or low) is 1

µs.

digital section

PARAMETER

TEST CONDITIONS

{

C SUFFIX

I SUFFIX

UNIT

PARAMETER

TEST CONDITIONS

{

MIN

TYP‡

MAX

MIN

TYP‡

MAX

UNIT

VOH

High level output voltage

VCC = 4.75 V, IOH = – 360 µA

2.8

2.4

V

VOH

High-level output voltage

VCC = 4.75 V, IOH = – 10 µA

4.6

4.5

V

VOL

Low-levl output voltage

VCC = 4.75 V, IOL = 1.6 mA

0.34

0.4

V

IIH

High-level input current

VIH = 5 V

0.005

1

0.005

1

µA

IIL

Low-level input current

VIL = 0

– 0.005

–1

– 0.005

–1

µA

IOH

High-level output (source) current

VOH = VO,

TA = 25°C

– 6.5

–14

– 6.5

–14

mA

IOL

Low-level output (sink) current

VOL = VCC,

TA = 25°C

8

16

8

16

mA

IOZ

High-impedance-state output

VO = 5 V,

TA = 25°C

0.01

3

0.01

3

µA

IOZ

g

current (DO)

VO = 0,

TA = 25°C

– 0.01

–3

– 0.01

–3

µA

Ci

Input capacitance

5

5

pF

Co

Output capacitance

5

5

pF

† All parameters are measured under open-loop conditions with zero common-mode input voltage.

‡ All typical values are at VCC = 5 V, TA = 25°C.