MAX5478EUD+ Maxim Integrated Products, MAX5478EUD+ Datasheet - Page 8
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MAX5478EUD+
Manufacturer Part Number
MAX5478EUD+
Description
IC POT DGTL DUAL 256-TAP 14TSSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5477ETE.pdf
(17 pages)
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
Dual, 256-Tap, Nonvolatile, I
Digital Potentiometers
8
(V
0.0001
DD
0.001
0.01
0.1
_______________________________________________________________________________________
10
TOTAL HARMONIC DISTORTION PLUS NOISE
1
= +5V, H_ = V
0.01
MIDSCALE
vs. FREQUENCY (MAX5479)
0.1
FREQUENCY (kHz)
-0.1
-0.2
-0.3
-0.4
-0.5
DD
0.5
0.4
0.3
0.2
0.1
0
, L_ = GND, T
-40
1
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE (MAX5479)
-15
10
TEMPERATURE (°C)
10
A
= +25°C, unless otherwise noted.)
100
35
-0.2
-0.4
-0.6
Typical Operating Characteristics (continued)
0.6
0.4
0.2
60
0
-40
END-TO-END RESISTANCE % CHANGE
85
vs. TEMPERATURE (MAX5477)
-15
TEMPERATURE (°C)
10
35
600
550
500
450
400
350
300
250
200
150
100
50
2
60
0
0
C-Interface,
WP = GND
0.5
85
vs. DIGITAL INPUT VOLTAGE
1.0
DIGITAL INPUT VOLTAGE (V)
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
SUPPLY CURRENT
V
CC
-0.1
-0.2
-0.3
-0.4
-0.5
0.5
0.4
0.3
0.2
0.1
= 3V
0
-40
END-TO-END RESISTANCE % CHANGE
vs. TEMPERATURE (MAX5478)
V
-15
CC
= 5V
TEMPERATURE (°C)
10
35
60
85