X9317UM8I-2.7 Intersil, X9317UM8I-2.7 Datasheet - Page 11

• Manufacturer Part Number: X9317UM8I-2.7
• Description: IC DIGITAL POT 50K 100TP 8MSOP
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of X9317UM8I-2.7

• Taps: 100
• Resistance (ohms): 50K
• Number Of Circuits: 1
• Temperature Coefficient: 300 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: Up/Down (3-Wire)
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Resistance In Ohms: 50K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Basic Configurations of Electronic Potentiometers
Basic Circuits
V
+V
IN
V
O
BUFFERED REFERENCE VOLTAGE
(REG) = 1.25V (1+R
R
V
VOLTAGE REGULATOR
REF
1
I
adj
317
THREE TERMINAL POTENTIOMETER;
VARIABLE VOLTAGE DIVIDER
R
R
2
W
2
V
/R
11
V
OUT
REF
R
1
+
-
1
)+I
+5V
= V
adj
W
LMC7101
R
R
/R
R
H
2
L
W
V
O
V
(REG)
OUT
R
W
+5V
V
OFFSET VOLTAGE ADJUSTMENT
CASCADING TECHNIQUES
S
10kΩ
+V
+V
10kΩ
(a)
100kΩ
X9317
R
1
R
10kΩ
W
LMC7101
-
+
+V
+5V
R
(b)
2
X
TWO TERMINAL VARIABLE RESISTOR;
VARIABLE CURRENT
R
W
V
SINGLE SUPPLY INVERTING AMPLIFIER
O
V
V
V
V
S
+5V
V
UL
LL
COMPARATOR WITH HYSTERESIS
REF
S
= {R
= {R
100k
I
LT311A
R
1
1
1
R
/(R
/(R
1
1
1
+R
R
+R
2
R
2
2
100k
2
-
+
)} V
)} V
V
O
O
O
-
+
= (R2/R1)V
(min)
(max)
+5V
LMC7101
December 16, 2009
S
FN8183.6
V
V
O
O