MAX5478EUD+ Maxim Integrated Products, MAX5478EUD+ Datasheet - Page 2

• 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

ABSOLUTE MAXIMUM RATINGS
SDA, SCL, V
All Other Pins to GND.................................-0.3V to (V
Maximum Continuous Current into H_, L_, and W_
Dual, 256-Tap, Nonvolatile, I
Digital Potentiometers
ELECTRICAL CHARACTERISTICS
(V
+25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
2
DC PERFORMANCE (VOLTAGE-DIVIDER MODE)
Resolution
Integral Nonlinearity
Differential Nonlinearity
Dual Code Matching
End-to-End Resistance
Temperature Coefficient
Ratiometric Resistance
Temperature Coefficient
Full-Scale Error
Zero-Scale Error
DC PERFORMANCE (VARIABLE-RESISTOR MODE)
Integral Nonlinearity (Note 3)
Differential Nonlinearity (Note 3)
Dual Code Matching
DC PERFORMANCE (RESISTOR CHARACTERISTICS)
Wiper Resistance
Wiper Capacitance
End-to-End Resistance
DD
MAX5477......................................................................±5.0mA
MAX5478......................................................................±1.3mA
MAX5479......................................................................±0.6mA
_______________________________________________________________________________________
= +2.7V to +5.25V, H_ = V
PARAMETER
DD
to GND .........................................-0.3V to +6.0V
DD
, L_ = GND, T
SYMBOL
DNL
DNL
TC
R
INL
INL
C
R
HL
W
W
R
A
(Note 2)
(Note 2)
R0 and R1 set to same code (all codes)
MAX5477
MAX5478
MAX5479
MAX5477
MAX5478
MAX5479
V
V
MAX5477
MAX5478
MAX5479
R0 and R1 set to same code
(all codes), V
(Note 4)
MAX5477
MAX5478
MAX5479
DD
DD
= -40°C to +85°C, unless otherwise noted. Typical values are at V
DD
= 3V
= 5V
+ 0.3V)
CONDITIONS
DD
= 3V or 5V
Continuous Power Dissipation (T
Operating Temperature Range ...........................-40°C to +85°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
16-Pin Thin QFN (derate 17.5mW/°C above +70°C) 1398mW
14-Pin TSSOP (derate 9.1mW/°C above +70°C) .........727mW
2
C-Interface,
37.5
MIN
256
7.5
75
A
= +70°C)
TYP
-0.6
-0.3
325
100
0.6
0.3
70
10
±1
10
10
50
-4
4
MAX
±0.5
±1.5
12.5
62.5
675
125
±1
±1
±3
±1
±1
±3
DD
= +5V, T
ppm/°C
ppm/°C
UNITS
Taps
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
kΩ
pF
Ω
A
=