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LANSDALE Semiconductor, Inc.

ML144110, ML144111

SWITCHING CHARACTERISTICS

(Voltages referenced to VSS, TA = 0 to 85°C, CL = 50 pF, Input tr = tf = 20 ns unless otherwise indicated)

Symbol

Parameter

VDD

Min

Max

Unit

twH

Positive Pule Width, CLK (Figures 3 and 4)

5

10

15

2

1.5

1

—

—

—

µs

twL

Negative Pulse Width, CLK (Figure 3 and 4)

5

10

15

5

3.5

2

—

—

—

µs

tsu

Setup Time, ENB to CLK (Figures 3 and 4)

5

10

15

5

3.5

2

—

—

—

µs

tsu

Setup Time, Din to CLK (Figures 3 and 4)

5

10

15

1000

750

500

—

—

—

ns

th

Hold Time, CLK to ENB (Figures 3 and 4)

5

10

15

5

3.5

2

—

—

—

µs

th

Hold Time, CLK to Din (Figures 3 and 4)

5

10

15

5

3.5

2

—

—

—

µs

tr, tf

Input Rise and Fall Times

5 – 15

—

2

µs

Cin

Input Capacitance

5 – 15

—

7.5

pF

LINEARITY ERROR (integral linearity). A measure of how

straight a device’s transfer function is, it indicates the worst–case

deviation of linearity of the actual transfer function from the best–

fit straight line. It is normally specified in parts of an LSB.

Figure 1. D/A Transfer Function

100

75

50

25

0

0

$00

15

$0F

31

$1F

47

$2F

63

$3F

Vnonl

PROGRAM STEP

Voffset

ACTUAL

IDEAL

Issue A