Datasheet

MAX5408–MAX5411
Dual, Audio, Log Taper Digital Potentiometers
_______________________________________________________________________________________ 5
Typical Operating Characteristics (continued)
(V
DD
= +3V (MAX5408/MAX5409), V
DD
= +5V (MAX5410/MAX5411), DOUT = floating)
0
15
10
5
20
25
30
35
40
45
50
2.5 3.53.0 4.0 4.5 5.0 5.5
LOGIC CURRENT
vs. LOGIC VOLTAGE
MAX5408-11 toc07
LOGIC SUPPLY VOLTAGE (V)
LOGIC SUPPLY CURRENT (µA)
ACTIVE MODE
SCLK = 2MHz, O to V
LOGIC
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.55
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5408-11 toc08
V
DD
(V)
I
DD
(µA)
ZERO-CROSSING DETECTION DISABLED
ACTIVE
STANDBY
Pin Description
PIN
M A X5 4 0 8 /
M A X5 4 1 0
(
Q F N
)
M A X5 4 0 8 /
M A X5 4 1 0
(
Q SO P
)
M A X5 4 0 9 /
M A X5 4 1 1
(
Q F N
)
M A X5 4 0 9 /
M A X5 4 1 1
(
Q SO P
)
NAME FUNCTION
1313SCLK Serial Clock Input
2424CS Chip-Select Input
3535H0 High Terminal of Resistor 0
4646L0 Low Terminal of Resistor 0
5757W0A Wiper Terminal A of Resistor 0
—— 68W0B Wiper Terminal B of Resistor 0
—— 79W1B Wiper Terminal B of Resistor 1
810810 W1A Wiper Terminal A of Resistor 1
911911 L1 Low Terminal of Resistor 1
10 12 10 12 H1 High Terminal of Resistor 1
11 13 11 13 AGND Analog Ground
12 14 12 14 GND Ground
13 15 13 15 V
LOGIC
Digital Logic Power Supply
14 16 14 16 V
DD
Analog Power Supply
15 1 15 1 DOUT Serial Data Output
16 2 16 2 DIN Serial Data Input
6, 7 8, 9 — — N.C. No Connection. Not internally connected.