LC73881M 查看數據表（PDF） - SANYO -> Panasonic
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LC73881M Datasheet PDF : 6 Pages
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LC73881M
AC Electrical Characteristics at Ta = 25°C, VDD = 3 V, VSS = 0 V, fOSC = 4.194304 MHz
Parameter
Symbol
Conditions
Input signal valid level
—
*1, 2, 3, 5, 6, 9
Positive twist accept
—
*2, 3, 6, 9, 11
Frequency detection accept
—
*2, 3, 5, 9
Frequency rejection accept
—
*2, 3, 5
Third tone tolerance
—
*2, 3, 4, 5, 9, 10
Dial tone tolerance
—
*2, 3, 4, 5, 8, 9, 10
Noise tolerance
—
*2, 3, 4, 5, 7, 9, 10
Tone present detection time
Tone absent detection time
Tone duration accept
Tone duration reject
Inter-digit pause invalid time
Inter-digit pause valid time
Data shift speed
tDP
tDA
tREC
tREC
tDO
tID
—
See the timing chart.
See the timing chart.
See the timing chart.
See the timing chart.
See the timing chart.
See the timing chart.
Data output delay time
tPAD
See the ACK/SD timing chart
Setup time delay
tDL
See the ACK/SD timing chart
Data hold time
tDH
See the ACK/SD timing chart
Oscillator frequency
fOSC
Load capacitance
CXO
The OSCI and OSCO pins
Note: 1. The dBm values are defined such that 0 dBm is the 1 mW power level for a 600 Ω load.
2. All 16 DTMF signals frequency
3. With a 40 ms DTMF signal period and a 40 ms pause period
4. Nominal DTMF signal frequencies
5. Low-group and high-group signal levels are the same.
6. DTMF signal frequency deviations within ±1.5% ± 2 Hz
7. Gaussian noise with a 0 to 3 kHz bandwidth
8. 350 and 440 Hz dial tone frequencies
9. Error rate of less than 1 error in 10,000 events
10.Referenced to the lowest component of the DTMF signal.
11.Twist = High-frequency group tone level
Low-frequency group tone level
min
–45
±1.5% ± 2
±3.5
3
0.5
45
40
4
30
4.190109
typ
±10
–16
+22
–8
100
4.194304
max
–20
20
20
20
20
1
4.198498
30
Unit
dBm
dB
Hz
%
dB
dB
dB
ms
ms
ms
ms
ms
ms
MHz
ns
µs
ns
MHz
pF
Pin Assignment
No. 5000-2/6
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