TC510EOG713 Microchip Technology, TC510EOG713 Datasheet - Page 19
TC510EOG713
Manufacturer Part Number
TC510EOG713
Description
IC ANALOG FRONT END 17BIT 24SOIC
Manufacturer
Microchip Technology
Datasheet
1.TC500CPE.pdf
(38 pages)
Specifications of TC510EOG713
Number Of Bits
17
Number Of Channels
4
Power (watts)
18mW
Voltage - Supply, Analog
4.5 V ~ 5.5 V
Voltage - Supply, Digital
4.5 V ~ 5.5 V
Package / Case
24-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q5125982
9.0
Refer to Figures 9-1 to 9-4.
EQUATION 9-1:
© 2008 Microchip Technology Inc.
Given:
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Note:
Note:
V
DESIGN EXAMPLES
REF
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 ms. Use 4x line
frequency.
= 66 ms
Calculate R
R
= 100 kΩ
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 ms +66 ms +132 ms +2 ms)
= 3.7 conversions/sec
From which C
(see
Calculate V
=
=
INT
INT
=
1.025 V ( )
(
------------------------------------------------------------------------- -
(
---------------------------------------------------------- -
4.1
Table
V
= V
= (t
AZ
S
–
) 0.33 10
INT
IN(MAX)
+ T
(
0.9
REF
7-1)
) (20 x 10
REF
2 T
INT
INT
IN
INT
2 66 10
) C
(
(
(
: ±2V
AZ
×
:
and C
for maximum (4V)
INT
:
+ 2 T
/20 μA 2 /20 μA
INT
= C
×
–6
)
6 –
) R
) / (4.1)
(
AZ
REF
) 100 10
INT
(
3 –
–6
INT
INT
)
based on
) / (V
+ 2 ms)
= 0.22 μF
) as a multiple
)
×
S
- 0.9)
3
)
TC500/A/510/514
DS21428E-page 19