TC500ACPE TELCOM SEMICONDUCTOR, TC500ACPE Datasheet - Page 15
TC500ACPE
Manufacturer Part Number
TC500ACPE
Description
IC, ANALOGUE PROCESSOR, DIP16, 500
Manufacturer
TELCOM SEMICONDUCTOR
Datasheet
1.TC500ACPE.pdf
(34 pages)
Specifications of TC500ACPE
Brief Features
Low Power Dissipation, Automatic Input Voltage Polarity Detection
Supply Voltage Range
4.5V To 7.5V
Operating Temperature Range
0°C To +70°C
Digital Ic Case Style
DIP
No. Of
RoHS Compliant
Ic Function
Precision Analogue Front Ends
Rohs Compliant
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TC500ACPE
Manufacturer:
JRC
Quantity:
6 225
Part Number:
TC500ACPE
Manufacturer:
MIC
Quantity:
20 000
9.0
Refer to Figures 9-1 to 9-4.
EQUATION 9-1:
2004 Microchip Technology Inc.
Given:
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Note:
Note:
DESIGN EXAMPLES
V
Microchip recommended capacitor:
Evox-Rifa p/n: 5MR5 334K50J03L4.
Microchip recommended capacitor:
Evox-Rifa p/n: 5MR5 224K50J02L4
Required Resolution: 16 bits (65,536
counts).
Maximum V
Power Supply Voltage: +5V
60 Hz System
Pick integration time (t
of the line frequency:
1/60 Hz = 16.6 msec. Use 4x line
frequency.
= 66 msec
Calculate R
R
= 100 k
Calculate C
integrator output swing.
C
= (.066) (20 x 10
= 0.32 µF (use closest value: 0.33 µF)
Choose C
conversion rate.
Conversions/sec:
= 1/(T
= 1/(66 msec +66 msec
= 3.7 conversions/sec
From which C
(see Table 7-1)
Calculate V
REF
INT
INT
+132 msec +2 msec)
=
=
------------------------------------------------------------- -
=
= V
= (t
AZ
---------------------------------------------------------- -
1.025
V
4.1 0.33 1
INT
IN(MAX)
+ T
S
REF
–
) (20 x 10
REF
INT
INT
IN
INT
0.9
2 0.66
: ±2V
AZ
and C
:
2 T
for maximum (4V)
:
+ 2 T
/20 µA 2 /20 µA
= C
–6
C
INT
INT
) / (4.1)
–
AZ
REF
INT
6
–6
INT
based on
) / (V
R
10
+ 2 msec)
= 0.22 F
) as a multiple
INT
5
S
- 0.9)
TC500/A/510/514
DS21428C-page 15