TC14433EJG Microchip Technology, TC14433EJG Datasheet - Page 12

• Manufacturer Part Number: TC14433EJG
• Description: IC ADC 3 1/2 DIGIT 24CDIP
• Manufacturer: Microchip Technology

Specifications of TC14433EJG

• Display Type: LED
• Configuration: 7 Segment
• Interface: BCD
• Digits Or Characters: A/D 3.5 Digits
• Current - Supply: 1.8mA
• Voltage - Supply: 4.5 V ~ 8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 24-CDIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TC14433/A
FIGURE 5-2:
FIGURE 5-3:
DS21394C-page 12
Note 1: For V
OR
MCP1525
C
C
2: For V
3: Peak digit current for an eight displayed is 7 times the segment current:
Alternate Overrange Circuit
1/6
1/7
1
2
OR
with Separated LED
*To increase segment current capability, add two 75491 ICs between 14511B and resistor network.
The use of the 1413 as digit driver increases digit current capability over the 75492.
**V can range between -2.8V and -11V.
75492
V
1413
+5V
V
SS
V
47k
IN
OUT
REF
REF
18M
1 μF
= 2000V; V: 1.999V full scale.
= 200 mV; V: 199.9 mV full scale (change 470k to R = 27k and decimal point position.
3-1/2 Digit LED Voltmeter with Low Component Count Using Common Cathode
Display
Alternate Oscillator Circuits
(A) Crystal Oscillator Circuit
V
10
11
10 pF < C
X
20k
R
R
CLK
CLK
Input
TC14433
1
0
1
+5V
and C
R
D U
EOE
V
V
V
470k 0.1 μF 0.1 μF
DS
1
REF
AG
X
R
4
2
1
TC14433
DS
< 200 pF
/C C
3
DS
1
C0
2
DS
1
CLK1
CLK0
V
C0
V
V
OR
Q
Q
Q
1
DD
SS
EE
(Minus)
0
1
2
2
V
EE*
300k
*
+5V
Control
Minus
L
C
V
A
B
C
D
LT
LE
SS
I4511B
B1
f = 1
V
+5V
DD
For L = 5 mH and C = 0.01 μF, f
2
a
b
c
d
e
f
g
R M
π
C
Resitor Network
2/LC
or Individual
10
11
Resistor*
R
© 2006 Microchip Technology Inc.
(B) LC Oscillator Circuit
DP
CLK
CLK
Digit Drivers
1
0
TC14433
75492
1413*
OR
R
Common
Cathode
Led Display
≅
32 kHz