Rainbow Electronics MAX1621 - Manual (Page 3)

MAX1620/MAX1621
Digitally Adjustable LCD Bias Supplies
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ELECTRICAL CHARACTERISTICS (continued)
(V DD = 3.3V, V BATT = 10V, T A = 0°C to +85°C , unless otherwise noted.)
TIMING CHARACTERISTICS
( T A = 0°C to +85°C , unless otherwise noted.)
-20µA ≤ I DOUT
≤ 0µA
I SDA = -6mA
V IN = 0V or V IN = V DD
V DD = 5.5V
V DD = 5.5V
3.0V ≤ V
DD
≤ 3.6V
3.0V ≤ V
DD
≤ 3.6V
48.39mV step size
V IN = 0V or V IN = V DD
Guaranteed monotonic
0µA ≤ I
DOUT
≤ 40µA
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 t DV
µs 4 t HD:STA
Start Condition SDA to SCL
Hold Time
µs 4.7 t SU:STA
Start Condition SCL to SDA
Setup Time
µs 4 t HIGH SCL High Time
µs 4.7 t LOW SCL Low Time
ns 300 t
F
SCL/SDA Fall Time
µs 1 t 1 Pulse Width High (UP, DN)
µs 1 t R SCL/SDA Rise Time
ns 0 t
HD:DAT
SCL to SDA Data-Hold Time
ns 500 t SU : DAT SDA to SCL Data-Setup Time
µs 1 t 2 Pulse Width Low (UP, DN)
µs 1 t 3 Pulse Separation (UP, DN)
µs 1 t 4 Counter Reset Time
UNITS MIN TYP MAX SYMBOL PARAMETER
µs 4 t SU:STO
Stop Condition SCL_ to SDA_
Setup Time
MAX1620 (Figure 1)
MAX1621 (Figures 2 and 3)