Dual, Audio, Log Taper Digital Potentiometers

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3

ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DIGITAL OUTPUT

Output High Voltage

- 0.5

V

Output Low Voltage

0.4

V

TIMING CHARACTERISTICS (Figure 1)

SCLK Clock Period

100

ns

SCLK Pulse Width High

40

ns

SCLK Pulse Width Low

40

ns

CS Fall to SCLK Rise Setup

Time

40

ns

SCLK Rise to CS Rise Hold Time

0ns

DIN Setup Time

40

ns

DIN Hold Time

0ns

SCLK Fall to DOUT Valid

Propagation Delay

80

ns

CS Rise to SCLK Rise Hold Time

40

ns

CS Pulse Width High

100

ns

Wiper Settling Time

Zero-crossing detect disabled

1

µs

POWER SUPPLIES

MAX5408/MAX5409

2.7

3.6

Supply Voltage

MAX5410/MAX5411

4.5

5.5

V

Active Supply Current

100

Standby Supply Current

(Note 3)

0.2

10

µA

Logic Supply Voltage

2.7

5.5

V

Logic Active Supply Current

120

Logic Standby Supply Current

DOUT = floating (Note 3)

0.5

10

µA

Note 1: Guaranteed by design, not production tested.

Note 2: Supply current measured while changing wiper position with zero crossing enabled.

Note 3: Supply current measured while wiper position is fixed.