TLC0834C, TLC0834I, TLC0838C, TLC0838I

8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL

SLAS094C – MARCH 1995 – REVISED APRIL 1997

2–7

POST OFFICE BOX 655303

recommended operating conditions

MIN

NOM

MAX

UNIT

Supply voltage, VCC

4.5

5

5.5

V

High-level input voltage, VIH

2

V

Low-level input voltage, VIL

0.8

V

Clock frequency, fclock

10

600

kHz

Clock duty cycle (see Note 2)

40%

60%

Pulse duration, CS high, twH(CS)

220

ns

Setup time, CS low, SE low, or data valid before CLK

↑, tsu (see Figures 1 and 2)

350

ns

Hold time, data valid after CLK

↑, th (see Figure 1)

90

ns

Operating free air temperature TA

C suffix

0

70

°C

Operating free-air temperature, TA

I suffix

–40

85

°C

NOTE 2: The clock-duty-cycle range ensures proper operation at all clock frequencies. When 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-level output voltage

VCC = 5.25 V, IOL = 1.6 mA

0.34

0.4

V

IIH

High-level input current

VIH = 5 V

VIH = 5 V

0.005

1

0.005

1

µA

IIL

Low-level input current

VIL = 0

VIL = 0

– 0.005

–1

– 0.005

–1

µA

IOH

High-level output (source) current

VOH = 0,

TA = 25°C

– 6.5

–24

– 6.5

–24

mA

IOL

Low-level output (sink) current

VOL = VCC,

TA = 25°C

8

26

8

26

mA

IOZ

High-impedance-state output

VO = 5 V,

TA = 25°C

0.01

3

0.01

3

µA

IOZ

g

current (DO or SARS)

VO = 0,

TA = 25°C

– 0.01

–3

– 0.01

–3

µA

Ci

Input capacitance

5

pF

Co

Output capacitance

5

pF

† All parameters are measured under open-loop conditions with zero common-mode input voltage (unless otherwise specified).

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