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LC737212 Scheda tecnica(PDF) 3 Page - Sanyo Semicon Device

Il numero della parte LC737212
Spiegazioni elettronici  Telephone Dialer IC with On-Chip Memory for Push- Button Telephones
Download  27 Pages
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Produttore elettronici  SANYO [Sanyo Semicon Device]
Homepage  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC737212 Scheda tecnica(HTML) 3 Page - Sanyo Semicon Device

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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
IDDP
Pulse output mode, outputs open, VDD = 3.0 V
0.3
0.5
mA
IDDT
DTMF output mode,outputs open, VDD = 3.0 V
0.5
1
mA
Static current drain
IDD(ST)
Standby mode, outputs open, VDD = 1.5 to 5.5 V
1
µA
Memory retention voltage
VDR
Between VDD and VSS
1
V
Memory retention current
IDR
VDD = 1 V
0.5
µA
The SOUT-ENA, OFF-HOOK, DPR, P/T, BMR,
IIH1
ON-HOOK-DIAL IN, HOLD-OFF IN, DISCON IN,
1
µA
Input pin current
SI/KEY, OFF/ON-HOOK, and STORE pins, VIH = VDD
The SOUT-ENA, OFF-HOOK, DPR, P/T, BMR,
IIL1
ON-HOOK-DIAL IN, HOLD-OFF IN, DISCON IN,
–1
µA
SI/KEY, OFF/ON-HOOK, and STORE pins, VIL = VSS
IILK1
All key pins, VDD = 1.5 V, VILK = VSS
–20
µA
IILK2
All key pins, VDD = 5.5 V, VILK = VSS
–300
µA
Key pin current
IOLK1
All key pins, VDD = 1.5 V, VOLK = 0.4 V
200
µA
IOLK2
All key pins, VDD = 5.5 V, VOLK = 0.4 V
0.7
mA
Output pin leakage current
IOFF
VO = VDD, VDD = 5.5 V, with the output off, the DP,
1
µA
MUTE1, MUTE2, and S-OUT pins.
VOH1
The K-TONE, HOLD-OUT, HOOK-CTL,
VDD – 0.5
V
and SP-CTL pins, VDD = 1.5 V, IOH = –250 µA
VOH2
The K-TONE, HOLD-OUT, HOOK-CTL,
VDD – 1
V
Output pin voltage
and SP-CTL pins, VDD = 5.5 V, IOH = –1 mA
VOL1
The K-TONE, DP, MUTE1, MUTE2, SP-CTL,
0.4
V
HOLD-OUT, and HOOK-CTL pins, VDD = 1.5 V, IOL = 250 µA
VOL2
The K-TONE, DP, MUTE1, MUTE2, SP-CTL,
0.4
V
HOLD-OUT, and HOOK-CTL pins, VDD = 5.5 V, IOL = 1 mA
Parameter
Symbol
Conditions
min
typ
max
Unit
Key debounce time
TKD
30
ms
Pin chatter exclusion time
TPCHT
OFF-HOOK, P/T, ON-HOOK-DIAL, IN HOLD OFF IN
45
ms
Key scan frequency
fKSC
258.9
HZ
Key tone frequency
fKT
1035.7
HZ
Key tone output time
TKT
30.9
ms
In Pulse mode at 10 pps
3.88
3.9
3.93
s
Auto-pause time
TAP
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
TMFON
98
100
102
ms
DTMF interdigit pause time
TMFOFF
93
95
97
ms
Hooking time
THK
700
710
720
ms
Hooking pause time
THKP
0.98
1.0
1.02
s
Memory store confirmation
fKST
2071.4
Hz
tone frequency
Memory store confirmation
TKSTON
278.1
ms
tone output time
Low tone amplitude
VOR
VDD = 3.5 V, RL = 10 kΩ
165
200
240
mVrms
Tone output ratio
dBCR
VDD = 2.0 to 5.5 V, RL = 10 kΩ
1
2
3
dB
Tone output distortion
DIS
VDD = 2.0 to 5.5 V, RL = 10 kΩ
10
%
Oscillator start time
TSTART
VDD = 1.5 to 5.5 V
30
ms
VDD = 3.0V
1
ms


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