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CAT5241WI-25 Datasheet, PDF (4/16 Pages) ON Semiconductor – Quad Digitally Programmable Potentiometer with 64 Taps and I²C Interface
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CAT5241
D.C. OPERATING CHARACTERISTICS
Over recommended operating conditions unless otherwise stated.
Symbol Parameter
Test Conditions
Min
Typ
Max Units
ICC Power Supply Current
fSCL = 400kHz
1
mA
ISB Standby Current (VCC = 5.0V)
VIN = GND or VCC;
SDA = GND; RWX = GND (2)
1
µA
ILI Input Leakage Current
VIN = GND to VCC
10
µA
ILO Output Leakage Current
VOUT = GND to VCC
10
µA
VIL
VIH
VOL1
Input Low Voltage
Input High Voltage
Output Low Voltage (VCC = 3.0V)
IOL = 3 mA
-1
VCC x 0.7
VCC x 0.3 V
VCC + 1.0 V
0.4
V
CAPACITANCE
TA = 25°C, f = 1.0MHz, VCC = 5V
Symbol Parameter
Test Conditions Min Typ Max Units
CI/O(1)
Input/Output Capacitance (SDA)
VI/O = 0V
8
pF
CIN(1)
Input Capacitance (A0, A1, A2, A3, SCL)
VIN = 0V
6
pF
A.C. CHARACTERISTICS
Over recommended operating conditions unless otherwise stated.
Symbol Parameter
Min
fSCL Clock Frequency
TI(1) Noise Suppression Time Constant at SCL, SDA Inputs
tAA SLC Low to SDA Data Out and ACK Out
tBUF(1) Time the Bus Must Be Free Before a New Transmission Can Start 1.2
tHD:STA Start Condition Hold Time
0.6
tLOW Clock Low Period
1.2
tHIGH Clock High Period
0.6
tSU:STA Start Condition Setup Time (For a Repeated Start Condition)
0.6
tHD:DAT Data in Hold Time
0
tSU:DAT Data in Setup Time
100
tR(1) SDA and SCL Rise Time
tF(1)
SDA and SCL Fall Time
tSU:STO Stop Condition Setup Time
0.6
tDH Data Out Hold Time
50
POWER UP TIMING (1)
Over recommended operating conditions unless otherwise stated.
Symbol Parameter
Min
tPUR
Power-up to Read Operation
tPUW
Power-up to Write Operation
Note:
(1) This parameter is tested initially and after a design or process change that affects the parameter.
(2) All four wiper terminals RW0, RW1, RW2, and RW3 are tied to ground.
Typ Max Units
400 kHz
50 ns
0.9 µs
µs
µs
µs
µs
µs
ns
ns
0.3 µs
300 ns
µs
ns
Typ Max Units
1
ms
1
ms
Doc. No. MD-2011 Rev. Q
4
© 2008 SCILLC. All rights reserved.
Characteristics subject to change without notice
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