TL5501

6-BIT ANALOG-TO-DIGITAL CONVERTER

SLAS026 – OCTOBER 1989 – REVISED APRIL 1990

4

POST OFFICE BOX 655303

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

II

Analog input current

VI = 5 V

75

µA

II

Analog input current

VI = 4 V

73

µA

IIH

Digital high-level input current

VI = 2.7 V

0

20

µA

IIL

Digital low-level input current

VI = 0.4 V

– 400

–40

µA

II

Digital input current

VI = 7 V

100

µA

IrefB

Reference current

VIrefB = 4 V

–4

– 7.2

mA

Iref T

Reference current

VIrefB = 5 V

4

7.2

mA

VOH

High-level output voltage

IOH = – 400 µA

2.7

V

VOL

Low-level output voltage

IOL = 1.6 mA

0.4

V

ri

Analog input resistance

100

k

Ω

1Ci

Analog input capacitance

35

65

pF

ICC

Supply current

40

60

mA

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

EL

Linearity error

±0.8 %FSR

fmax

Maximum converstion rate

20

30

MHz

td

Digital output delay time

See Figure 3

15

30

ns

† All typical values are at VCC = 5 V, Vref = 4 V, TA = 25°C.

timing diagram

Data

N + 1

Data

N

N – 1

Data

td

INPUT

D1 – D6

ANLG

CLK

1.4 V

twL

twH

N + 2

N + 1

N

Sample

Sample

Sample