MAX5481EUD Maxim Integrated Products, MAX5481EUD Datasheet - Page 8

• Manufacturer Part Number: MAX5481EUD
• Description: Digital Potentiometer ICs
• Manufacturer: Maxim Integrated Products

Specifications of MAX5481EUD

• Number Of Pots: Single
• Taps Per Pot: 1024
• Resistance: 10 KOhms
• Wiper Memory: Non Volatile
• Digital Interface: Serial (3-Wire, SPI)
• Operating Supply Voltage: 5 V
• Supply Current: 1 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 2.7 V
• Package / Case: TSSOP-14
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
(Circuit of Figure 1, T
8
0.0001
0.001
0.01
-10
-15
-20
-25
0.1
10
_______________________________________________________________________________________
-5
0
1
0.01
0.1
CODE = 01111 01111
CODE 01111 01111
C
WIPER RESPONSE vs. FREQUENCY
W
= 10pF
THD+N vs. FREQUENCY
0.1
1
FREQUENCY (kHz)
FREQUENCY (kHz)
(MAX5481)
(MAX5482)
TAP-TO-TAP SWITCHING TRANSIENT
10
1
A
C
= +25°C, unless otherwise noted.)
W
= 30pF
RESPONSE (MAX5481)
C
100
10
W
= 10pF
1μs/div
H = V
C
FROM CODE 01 1111 1111
TO CODE 10 0000 0000
W
1000
100
= 10pF
DD
, L = GND
MAX5481 toc28
200
180
160
140
120
100
-10
-15
-20
-25
Typical Operating Characteristics (continued)
80
60
40
20
-5
0
0
0.1
0
CODE = 01111 01111
WIPER RESPONSE vs. FREQUENCY
128
CS
2V/div
V
(AC-COUPLED)
20mV/div
RATIOMETRIC TEMPERATURE
W
COEFFICIENT vs. CODE
50kΩ
256 384
1
FREQUENCY (kHz)
(MAX5482)
10kΩ
C
W
CODE
= 30pF
512 640 768 896 1024
10
VOLTAGE-DIVIDER
V
T
A
DD
C
= -40°C TO +85°C
W
= +3V
= 10pF
TAP-TO-TAP SWITCHING TRANSIENT
100
RESPONSE (MAX5482)
1000
4μs/div
H = V
C
FROM CODE 01 1111 1111
TO CODE 10 0000 0000
W
= 10pF
0.0001
DD
0.001
0.01
700
600
500
400
300
200
100
, L = GND
0.1
10
0
1
0.01
0
VARIABLE-RESISTOR TEMPERATURE
CODE 01111 01111
C
MAX5481 toc29
W
50kΩ
128
= 10pF
COEFFICIENT vs. CODE
THD+N vs. FREQUENCY
256 384
0.1
10kΩ
CS
2V/div
V
(AC-COUPLED)
20mV/div
FREQUENCY (kHz)
W
(MAX5481)
CODE
512 640 768 896 1024
1
V
T
A
DD
= -40°C TO +85°C
= +3V
10
100