Digitally Adjustable LCD Bias Supplies

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3

ELECTRICAL CHARACTERISTICS (continued)

TIMING CHARACTERISTICS

-20µA

3.0V

3.0V

48.39mV step size

Guaranteed monotonic

0µA

V

0.4

µA

±1

SCL, SDA, SUS Input Leakage Current

V

0.6

SCL, SDA, SUS Input Low Voltage

V

2.3

1.4

SCL, SDA, SUS Input High Voltage

±1

V

0.6

V

0

0.007

DOUT Minimum Output Voltage (Note 3)

2.3

V

1.4

UP, DN, SHDN, POL Input High Voltage

LSB

DOUT Differential Nonlinearity

Bits

5

DOUT Resolution

±1

REF -

REF +

0.02

0.02

DOUT Maximum Output Voltage (Note 3)

V

UP, DN, SHDN, POL Input Leakage Current

µA

UP, DN, SHDN, POL Input Low Voltage

SDA Output Low Voltage

CONDITIONS

UNITS

MIN

TYP

MAX

PARAMETER

DIGITAL INPUTS AND OUTPUTS

(Note 4)

(Note 4)

(Note 4)

CONDITIONS

1

SCL Falling Edge to SDA Valid

Master Clocking in Data

µs

µs

4

Start Condition SDA to SCL

Hold Time

µs

4.7

Start Condition SCL to SDA

Setup Time

µs

4

SCL High Time

µs

4.7

SCL Low Time

ns

300

SCL/SDA Fall Time

µs

1

Pulse Width High (UP, DN)

µs

1

SCL/SDA Rise Time

ns

0

SCL to SDA Data-Hold Time

ns

500

SDA to SCL Data-Setup Time

µs

1

Pulse Width Low (UP, DN)

µs

1

Pulse Separation (UP, DN)

µs

1

Counter Reset Time

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

µs

4

Stop Condition SCL_ to SDA_

Setup Time

MAX1620 (Figure 1)

MAX1621 (Figures 2 and 3)