MAX5479 Maxim, MAX5479 Datasheet - Page 3

• Manufacturer Part Number: MAX5479
• Description: Dual - 256-Tap/ Nonvolatile/ I2C-Interface/ Digital Potentiometers
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
+25°C.) (Note 1)
TIMING CHARACTERISTICS
(V
T
DIGITAL INPUTS
Input High Voltage (Note 5)
Input Low Voltage
Output Low Voltage
WP Pullup Resistance
Input Leakage Current
Input Capacitance
DYNAMIC CHARACTERISTICS
Crosstalk
3dB Bandwidth (Note 6)
Total Harmonic Distortion Plus
Noise
NONVOLATILE MEMORY RELIABILITY
Data Retention
Endurance
POWER SUPPLY
Power-Supply Voltage
Supply Current
ANALOG SECTION
Wiper Settling Time (Note 10)
DIGITAL SECTION
SCL Clock Frequency
Setup Time for START Condition
Hold Time for START Condition
A
DD
DD
= +25°C. See Figure 1.) (Notes 8 and 9)
= +2.7V to +5.25V, H_ = V
= +2.7V to +5.25V, H_ = V
PARAMETER
PARAMETER
Dual, 256-Tap, Nonvolatile, I
_______________________________________________________________________________________
DD
DD
, L_ = GND, T
, L_ = GND, T
SYMBOL
SYMBOL
THD+N
t
t
HD:STA
SU:STA
I
LEAK
V
V
f
I
V
I
t
V
SCL
WP
DD
WS
DD
OL
IH
IL
A
T
V
V
(Note 5)
I
HA = 1kHz (0 to V
LB = GND, measure WB
MAX5478
MAX5479
H_ = 1V
measure W_
T
T
Writing to EEPROM, digital inputs at
GND or V
Normal operation, digital
inputs at GND or V
MAX5478
MAX5479
SINK
A
A
A
DD
DD
= -40°C to +85°C, unless otherwise noted. Typical values are at V
A
= +85°C
= +25°C
= +85°C
= -40°C to +85°C, unless otherwise noted. Typical values are at V
= 3.4V to 5.25V
< 3.4V
= 3mA
RMS
DD
, f = 1kHz, L_ = GND,
CONDITIONS
(Note 7)
CONDITIONS
DD
DD
Digital Potentiometers
), LA = GND,
WP = GND
WP = V
DD
0.7 x V
2.70
MIN
255
2.4
MIN
0.6
0.6
DD
2
C-Interface,
200,000
50,000
0.003
TYP
100
250
-80
0.5
50
50
15
5
1000
TYP
500
www.DataSheet4U.com
MAX
5.25
20.6
400
MAX
0.8
0.4
±1
400
1
DD
= +5V, T
DD
UNITS
UNITS
Stores
Years
kHz
= +5V,
kHz
dB
kΩ
µA
pF
µA
ns
µs
µs
%
V
V
V
V
A
3
=