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ST3917AN 데이터시트(PDF) 6 Page - STMicroelectronics

부품명 ST3917AN
상세설명  SPEECH - TONE/PULSE DIALER - LED INDICATOR
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST3917AN 데이터시트(HTML) 6 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VLN
Positive Line Voltage Continuous
12
V
ILN
Line Current
140
mA
VDD
Logic Voltage
7V
VI
Maximum Voltage
on PULSE, SEL, HKS, MODE, Ri, Ci, MU/MFI and OSC Pins
GND(-0.3) VDD(+0.3)
V
Toper
Operating Temperature
-25, +70
°C
Tstg
Storage Temperature
-40, +125
°C
Ptot
Total Power Dissipation
700
mW
ELECTRICAL CHARACTERISTICS
(ILN = 10mA to 120mA, f = 1kHz, Tamb =25
°C, VDD = 3V ; unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VLN
Line Voltage (see Figure 6)
ILN = 4mA
ILN = 15mA
ILN = 120mA
ILN = 15mA, RA = 68k
ILN = 15mA, RB = 39k
3.15
2.60
3.60
3.50
3.20
4.10
2.70
3.85
7.00
3.70
4.70
V
V
V
V
V
VDD
Logic Voltage (see Figure 6)
Tone mode
Pulse mode
2.50
2.00
6.00
6.00
V
V
IDD
Supply Current into VDD (see Figure 6)
VDD = 3V
Tone mode
Pulse mode
600
300
900
600
µA
µA
ICC
Supply Current into VCC (see Figure 6)
ILN = 15mA
1.3
mA
ILED
Supply Current to LED (see Figure 6)
ILN = 10 - 20mA
ILN = 20 - 120mA
10
ILN-
ICC
24
mA
mA
VMR
Memory Retention Voltage (see Figure 7) VDD = 3V
1.5
V
IMR
Memory Retention Current (see Figure 7) VDD =3V
1
µA
IS
Off-Hook Standby Current (see Figure 6) VDD = 3V
100
250
µA
IPL
Pulse Output Sink Current (see Figure 6) VOUT = 0.5V
1
3
mA
IPO
Pacifier Tone Sink/Source Current
(see Figure 6)
VOUT = 0.5V(Sink)
VOUT = 2.5V(Source)
1.00
0.60
3.00
1.00
mA
mA
VIL
HKS, Mode, Keyboard Inputs Low
0.3xVDD
V
VIH
HKS, Mode, Keyboard Inputs High
0.7xVDD
V
GTX
Transmit Gain (see Figure 9)
VMIC = 2mVRMS
ILN = 15mA, RGTX = 68k
ILN = 60mA, RGTX = 68k
49.5
43
51
45
52.5
47
dB
dB
AGTX
Transmit Gain Variation (see Figure 9)
ILN = 15mA,
VMIC = 2mVRMS
RGTX = 43k
RGTX = 27k
-8
-4
-8
0dB
dB
dB
DTX
Transmit Distortion (see Figure 9)
ILN = 15mA, VLN =1VRMS
2%
NTX
Transmit Noise (see Figure 9)
ILN = 15mA, VMIC = 0V
-72
dBmp
ZMIC
Microphone Input Impedance
(see Figure 8)
50
64
80
k
GDTMF
DTMF Gain (see Figure 10)
RDTMF = 2.25k
Ω,
CDTMF = 22nF
37
39
41
dB
CDTMF
DTMF Confidence Tone Attenuation
(see Figure 10)
-34
-31.5
-29
dB
VDTMF
DTMF level on the line (see Figure 10)
High Frequency Group
Low Frequency Group
RDTMF = 2.25k
Ω,
CDTMF = 22nF
-8
-10
-6
-8
-4
-6
dBm
dBm
PEI
Pre-emphasis (see Figure 10)
1
2
3
dB
DIS
DTMF Output Distortion (see Figure 10)
5
8
%
ST3917A - ST3917B
6/16


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