MAX5409ETE Maxim Integrated Products, MAX5409ETE Datasheet - Page 4

• Manufacturer Part Number: MAX5409ETE
• Description: Digital Potentiometer ICs
• Manufacturer: Maxim Integrated Products

Specifications of MAX5409ETE

• Number Of Pots: Dual
• Taps Per Pot: 32
• Resistance: 10 KOhms
• Wiper Memory: Volatile
• Digital Interface: Serial (3-Wire, SPI)
• Operating Supply Voltage: 3.3 V
• Supply Current: 100 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Package / Case: TQFN EP-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual, Audio, Log Taper Digital Potentiometers
4
(V
DD
_______________________________________________________________________________________
= +3V (MAX5408/MAX5409), V
2V/div
2V/div
V
W_
CS
996
995
994
993
992
991
990
989
988
-10
-20
-30
-40
-50
-60
-70
0
0
0
TAP-TO-TAP SWITCHING TRANSIENT
TAP POSITION 31
0.5
ATTENUATION vs. TAP POSITION
4
(ZERO-CROSSING DISABLE)
1.0 1.5 2.0 2.5
WIPER RESISTANCE vs.
V
8
DD
WIPER VOLTAGE
WIPER VOLTAGE (V)
= 5V = V
12
TAP POSITION
DD
4µs/div
= +5V (MAX5410/MAX5411), DOUT = floating)
16
LOGIC
3.0 3.5 4.0 4.5 5.0
, L_ = GND
20
24
MAX5408-11 toc05
V
V
H
L
_ = 0
_ = 5V
28
32
Typical Operating Characteristics
-0.05
-0.10
-0.15
-0.20
0.20
0.15
0.10
0.05
0.30
0.25
0.20
0.15
0.10
0.05
60
55
50
45
40
35
30
25
20
0
0
-40
-40
2.5
END-TO-END RESISTANCE % CHANGE
ZERO-CROSSING ENABLED
I
ACTIVE MODE
STANDBY MODE
SCLK = GND
TOTAL
3.0
-15
TOTAL SUPPLY CURRENT
-15
= I
LOGIC SUPPLY VOLTAGE (V)
DD
vs. LOGIC VOLTAGE
vs. TEMPERATURE
VS.
+ I
LOGIC CURRENT
TEMPERATURE (°C)
TEMPERATURE (°C)
3.5
LOGIC
TEMPERATURE
10
10
4.0
35
35
4.5
60
60
5.0
85
85
5.5