IL91350A Datasheet, PDF (7/12 Pages) Integral Corp. – 13 Memory Tone/Pulse Dialer with Handfree and Hold Function

IL91350A
AC ELECTRICAL CHARACTERISTICS (All Voltages referenced to GND. V_CC= 2.0 V to 5.5 V,
T_A = 25°C*)
Guaranteed Limits
Symbol
Parameter
Test Conditions Min Typ Max Unit
T_KID Keypad Active in Debounce
(Figures 1,2,4-6)
-
20
-
ms
T_KRD
T_PDP
Key Release Debounce (Figure 2)
Pre-Digit-Pause (Figures 1,4,5)
M/B = 2/3
M/B = 1/2
-
20
-
ms
-
40
-
ms
-
33.3
-
T_IDP Inter Digit Pause Time (Auto Dialing)
(Figures 1,2,4,5)
- 800
-
ms
M/B Make/Break Ratio
M/B = 2/3
M/B = 1/2
- 40/60 -
%
- 33/67 -
T_TD DTMF Output Duration (Figure 2)
T_ITP Inter Tone Pause (Figure 2)
Auto Dialing
T_FB Flash Break Time (Figure 6)
T_P
Pause Time (Figure 5)
* - from -20°C to +70°C values of parameters are specifying
- 100
-
ms
- 100
-
ms
- 600
-
ms
-
3.6
-
s
Comparisons of Specified vs. Actual Tone Frequencies
R/C
Spec.
Actual
Error(%)
Unit
R1
697
699
+0.28
Hz
R2
770
766
-0.52
Hz
R3
852
848
-0.47
Hz
R4
941
948
+0.74
Hz
C1
1209
1216
+0.57
Hz
C2
1336
1332
-0.30
Hz
C3
1477
1472
-0.34
Hz
Conditions
F_OSC = 3.579 MHz