MAX5487EUD+ Maxim Integrated Products, MAX5487EUD+ Datasheet - Page 5

• Manufacturer Part Number: MAX5487EUD+
• Description: IC DGTL POT DUAL 256-TAP 16TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5487EUD+

• Taps: 256
• Resistance (ohms): 10K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: SPI, 3-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: 10K
• Number Of Pots: Dual
• Taps Per Pot: 256
• Resistance: 10 KOhms
• Wiper Memory: Non Volatile
• Digital Interface: Serial (3-Wire, SPI)
• 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 SPI Interface Linear Taper 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

(V
DD
TAP-TO-TAP SWITCHING TRANSIENT
V
= +5.0V, T
0.6
0.5
0.4
0.3
0.2
0.1
H_
0
= 5.0V
-40
V
DD
V
-20
DD
= 3V
(MAX5487)
= 5V
A
vs. TEMPERATURE
1µs/div
SUPPLY CURRENT
= +25°C, unless otherwise noted.)
Dual, 256-Tap, Nonvolatile, SPI-Interface,
TEMPERATURE (°C)
0
_______________________________________________________________________________________
20
2.0V/div
2.0V/div
WIPER
V
MAX5487-89 toc04
DD
40
MAX5487-89 toc01
WIPER TRANSIENT AT POWER-ON
Linear-Taper Digital Potentiometers
V
60
H_
CS
2.0V/div
WIPER
20mV/div
= V
DD
80
2.0µs/div
20mV/div
2.0V/div
10,000
WIPER
1000
100
CS
10
1
0
0
TAP-TO-TAP SWITCHING TRANSIENT
V
MAX5487-89 toc07
H_
vs. DIGITAL INPUT VOLTAGE
= 5.0V
1
DIGITAL INPUT VOLTAGE (V)
SUPPLY CURRENT
(MAX5488)
2
1.0µs/div
V
CC
Typical Operating Characteristics
= 3V
3
V
CC
MAX5487-89 toc05
= 5V
4
-10
-12
-14
-16
-18
-20
-2
-4
-6
-8
0
0.1
MIDSCALE FREQUENCY RESPONSE
5
20mV/div
1
2.0V/div
WIPER
FREQUENCY (kHz)
250
200
150
100
(MAX5487)
CS
50
0
C
10
0
W_
TAP-TO-TAP SWITCHING TRANSIENT
V
= 50pF
H_
32
= 5.0V
100
C
64
WIPER RESISTANCE
W
vs. TAP POSITION
MAX5487-89 toc08
= 10pF
96
(MAX5489)
TAP POSITION
1.0µs/div
1000
128 160 192 224 256
MAX5487-89 toc06
5