MAX5478EUD+ Maxim Integrated Products, MAX5478EUD+ Datasheet - Page 3

• Manufacturer Part Number: MAX5478EUD+
• Description: IC POT DGTL DUAL 256-TAP 14TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5478EUD+

• Taps: 256
• Resistance (ohms): 50K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Resistance In Ohms: 50K
• Number Of Pots: Dual
• Taps Per Pot: 256
• Resistance: 325 Ohms
• Wiper Memory: Non Volatile
• Digital Interface: Serial (2-Wire)
• Operating Supply Voltage: 2.7 V to 5.25 V
• Supply Current: 1 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Description/function: Dual, 256 Tap, Nonvolatile, I2C, 50k Digital Potentiometer
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 2.7 V
• Tolerance: 25 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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
SU:STA
HD:STA
I
LEAK
V
f
V
I
I
t
V
V
SCL
WP
DD
WS
DD
OL
IH
IL
A
V
V
(Note 5)
I
HA = 1kHz (0 to V
LB = GND, measure WB
MAX5477
MAX5478
MAX5479
H_ = 1V
measure W_
T
T
T
Writing to EEPROM, digital inputs at
GND or V
Normal operation, digital
inputs at GND or V
T
MAX5477
MAX5478
MAX5479
SINK
A
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
= +25°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,
, T
CONDITIONS
A
CONDITIONS
= +25°C (Note 7)
DD
DD
Digital Potentiometers
), LA = GND,
,
WP = GND
WP = V
DD
0.7 x V
MIN
2.70
255
2.4
MIN
0.6
0.6
DD
2
C-Interface,
200,000
50,000
0.003
TYP
400
100
250
-75
0.5
50
50
15
5
1000
TYP
325
500
MAX
5.25
20.6
400
MAX
0.8
0.4
±1
400
1
DD
= +5V, T
DD
UNITS
UNITS
Stores
Years
= +5V,
kHz
kHz
dB
kΩ
µA
pF
µA
ns
µs
µs
%
V
V
V
V
A
3
=