MAX5386 Просмотр технического описания (PDF) - Maxim Integrated
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MAX5386 Datasheet PDF : 13 Pages
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Dual, 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometers
PIN
MAX5386 MAX5388
1
3
2
4
3
2
4
—
5
1
6, 7, 11, 13
—
8
5
9
6
10
7
12
8
14
—
15
9
16
10
—
—
Pin Description
NAME
HB
WB
LB
I.C.
GND
N.C.
CS
DIN
SCLK
VDD
HA
WA
LA
EP
FUNCTION
Resistor B High Terminal. The voltage at HB can be higher or lower than the voltage
at LB. Current can flow in to or out of HB.
Resistor B Wiper Terminal
Resistor B Low Terminal. The voltage at LB can be higher or lower than the voltage
at HB. Current can flow in to or out of LB.
Internally Connected. Connect to GND.
Ground. Both pins must be grounded.
No Connection. Not internally connected.
Active-Low Chip-Select Input
Serial-Interface Data Input
Serial-Interface Clock Input
Power-Supply Input. Bypass VDD to GND with a 0.1µF capacitor close to the device.
Resistor A High Terminal. The voltage at HA can be higher or lower than the voltage
at LA. Current can flow in to or out of HA.
Resistor A Wiper Terminal
Resistor A Low Terminal. The voltage at LA can be higher or lower than the voltage
at HA. Current can flow in to or out of LA.
Exposed Pad (TQFN Only). Internally connected to GND. Connect to ground.
VOLTAGE-DIVIDER
CONFIGURATION
H
VARIABLE-RESISTOR
CONFIGURATION
N.C.
W
L
Figure 1. Voltage-Divider/Variable-Resistor Configurations
W
L
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