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參數(shù)資料
| 型號： | LV737212M |
| 文件頁數(shù)： | 3/27頁 |
| 文件大?。?/td> | 308K |
| 代理商： | LV737212M |
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Electrical Characteristics
at Ta = 25°C, fosc = 3.579545 MHz
AC Characteristics
at Ta = 25°C, fosc = 3.579545 MHz
No. 5203-3/27
LC737212, 737212M
Parameter
Symbol
Conditions
min
typ
max
Unit
Operating current drain
I
DDP
I
DDT
I
DD(ST)
V
DR
I
DR
Pulse output mode, outputs open, V
DD
= 3.0 V
DTMF output mode,outputs open, V
DD
= 3.0 V
Standby mode, outputs open, V
DD
= 1.5 to 5.5 V
Between V
DD
and V
SS
V
DD
= 1 V
0.3
0.5
mA
0.5
1
mA
Static current drain
1
μA
Memory retention voltage
1
V
Memory retention current
0.5
μA
The SOUT-ENA, OFF-HOOK, DPR, P/T, BMR,
ON-HOOK-DIAL IN, HOLD-OFF IN, DISCON IN,
SI/KEY, OFF/ON-HOOK, and STORE pins, V
IH
= V
DD
I
IH1
1
μA
Input pin current
The SOUT-ENA, OFF-HOOK, DPR, P/T, BMR,
ON-HOOK-DIAL IN, HOLD-OFF IN, DISCON IN,
SI/KEY, OFF/ON-HOOK, and STORE pins, V
IL
= V
SS
I
IL1
–1
μA
I
ILK1
I
ILK2
I
OLK1
I
OLK2
All key pins, V
DD
= 1.5 V, V
ILK
= V
SS
All key pins, V
DD
= 5.5 V, V
ILK
= V
SS
All key pins, V
DD
= 1.5 V, V
OLK
= 0.4 V
All key pins, V
DD
= 5.5 V, V
OLK
= 0.4 V
V
O
= V
DD
, V
DD
= 5.5 V, with the output off, the DP,
MUTE1, MUTE2, and S-OUT pins.
–20
μA
–300
μA
Key pin current
200
μA
0.7
mA
Output pin leakage current
I
OFF
1
μA
V
OH1
The K-TONE, HOLD-OUT, HOOK-CTL,
and SP-CTL pins, V
DD
= 1.5 V, I
OH
= –250 μA
V
DD
– 0.5
V
V
OH2
The K-TONE, HOLD-OUT, HOOK-CTL,
and SP-CTL pins, V
DD
= 5.5 V, I
OH
= –1 mA
V
DD
– 1
V
Output pin voltage
V
OL1
The K-TONE, DP, MUTE1, MUTE2, SP-CTL,
HOLD-OUT, and HOOK-CTL pins, V
DD
= 1.5 V, I
OL
= 250 μA
0.4
V
V
OL2
The K-TONE, DP, MUTE1, MUTE2, SP-CTL,
HOLD-OUT, and HOOK-CTL pins, V
DD
= 5.5 V, I
OL
= 1 mA
0.4
V
Parameter
Symbol
Conditions
min
typ
max
Unit
Key debounce time
T
KD
T
PCHT
f
KSC
f
KT
T
KT
30
ms
Pin chatter exclusion time
OFF-HOOK, P/T, ON-HOOK-DIAL, IN HOLD OFF IN
45
ms
Key scan frequency
258.9
HZ
Key tone frequency
1035.7
HZ
Key tone output time
30.9
ms
In Pulse mode at 10 pps
3.88
3.9
3.93
s
Auto-pause time
T
AP
In Pulse mode at 20 pps
3.88
3.9
3.93
s
DTMF mode
3.88
3.9
3.93
s
DTMF output time
T
MFON
T
MFOFF
T
HK
T
HKP
98
100
102
ms
DTMF interdigit pause time
93
95
97
ms
Hooking time
700
710
720
ms
Hooking pause time
0.98
1.0
1.02
s
Memory store confirmation
tone frequency
f
KST
2071.4
Hz
Memory store confirmation
tone output time
T
KSTON
278.1
ms
Low tone amplitude
V
OR
dBCR
V
DD
= 3.5 V, R
L
= 10 k
V
DD
= 2.0 to 5.5 V, R
L
= 10 k
V
DD
= 2.0 to 5.5 V, R
L
= 10 k
V
DD
= 1.5 to 5.5 V
V
DD
= 3.0V
165
200
240
mVrms
Tone output ratio
1
2
3
dB
Tone output distortion
DIS
10
%
Oscillator start time
T
START
30
ms
1
ms
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