MC145012 Datasheet, PDF (5/12 Pages) Freescale Semiconductor, Inc – Photoelectric Smoke Detector IC with I/O and Temporal Pattern Horn Driver

1.04
1.02
1.00
0.98
0.96
6.0
T_A = 25°C
7.0
8.0
9.0
10.0 11.0 12.0
V_DD, POWER SUPPLY VOLTAGE (V)
Figure 1. AC Characteristics versus Supply
MC145012
PULSE WIDTH OF IRED
PERIOD OR PULSE WIDTH
OF OTHER PARAMETERS
1.02
1.01
1.00
0.99
V_DD = 9.0 V
0.98
- 10 0
10 20
30
40
50
60
T_A, AMBIENT TEMPERATURE (°C)
NOTE: Includes external component variations. See Figure 2B.
Figure 2A. AC Characteristics versus Temperature
PULSE WIDTH OF IRED
PERIOD OR PULSE WIDTH
OF OTHER PARAMETERS
Figure 2.
1.03
1.02
1.01
1.00
0.99
0.98
- 10 0
10 20
30 40
50 60
T_A, AMBIENT TEMPERATURE (°C)
NOTE: These components were used to generate Figure 2A.
Figure 2B. RC Component Variation Over Temperature
7.5 MΩ CARBON COMPOSITION
100 kΩ METAL FILM
1500 pF DIPPED MICA
Motorola Sensor Device Data
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