Rainbow-electronics MAX1621 Manual de usuario descargar pdf (Pagina 3)

MAX1620/MAX1621

Digitally Adjustable LCD Bias Supplies

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

= 3.3V, V

BATT

= 10V, T

= 0°C to +85°C, unless otherwise noted.)

TIMING CHARACTERISTICS

= 0°C to +85°C, unless otherwise noted.)

-20µA ≤ I

DOUT

≤ 0µA

SDA

= -6mA

= 0V or V

= V

= 5.5V

3.0V ≤ V

≤ 3.6V

3.0V ≤ V

≤ 3.6V

48.39mV step size

= 0V or V

= V

Guaranteed monotonic

0µA ≤ I

DOUT

≤ 40µA

V0.4

µA±1

SCL, SDA, SUS Input Leakage Current

V0.6

SCL, SDA, SUS Input Low Voltage

2.3

1.4

SCL, SDA, SUS Input High Voltage

±1

0.6

V0 0.007DOUT Minimum Output Voltage (Note 3)

2.3

1.4

UP, DN, SHDN, POL Input High Voltage

LSBDOUT Differential Nonlinearity

Bits5DOUT 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 UNITSMIN TYP MAXPARAMETER

DIGITAL INPUTS AND OUTPUTS

(Note 4)

CONDITIONS

SCL Falling Edge to SDA Valid

Master Clocking in Data

µst

µs4t

HD:STA

Start Condition SDA to SCL

Hold Time

µs4.7t

SU:STA

Start Condition SCL to SDA

Setup Time

µs4t

HIGH

SCL High Time

µs4.7t

LOW

SCL Low Time

ns300t

SCL/SDA Fall Time

µs1t

Pulse Width High (UP, DN)

µs1t

SCL/SDA Rise Time

ns0t

HD:DAT

SCL to SDA Data-Hold Time

ns500t

DAT

SDA to SCL Data-Setup Time

µs1t

Pulse Width Low (UP, DN)

µs1t

Pulse Separation (UP, DN)

µs1t

Counter Reset Time

UNITSMIN TYP MAXSYMBOLPARAMETER

µs4t

SU:STO

Stop Condition SCL_ to SDA_

Setup Time

MAX1620 (Figure 1)

MAX1621 (Figures 2 and 3)

1 2 3 4 5 6 7 8 ... 19 20

MAX1620/MAX1621 1

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Rainbow-electronics MAX1621 Manual de usuario Pagina 3

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