TEA1111AT/C1 데이터 시트보기 (PDF) - Philips Electronics
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TEA1111AT/C1
Philips Electronics
TEA1111AT/C1 Datasheet PDF : 24 Pages
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Philips Semiconductors
Speech circuit with dialler interface, regulated
supply and earpiece volume control
Product specification
TEA1111A
CHARACTERISTICS
Iline = 15 mA; VEE = 0 V; VVCI = 0 V; RSLPE = 20 Ω; pin AGC connected to VEE; Zline = 600 Ω; f = 1 kHz; measured
according to test circuits given in Figs 14, 15 and 16; Tamb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Supply (pins LN, VCC, SLPE, REG and VDD)
THE LINE INTERFACE (PINS LN, SLPE AND REG)
Vref
stabilized reference voltage
between pins LN and SLPE
3.5
3.8
4.1
V
VLN
DC line voltage
Iline = 1 mA
−
1.5
−
V
Iline = 4 mA
−
2.5
−
V
Iline = 15 mA
3.7
4.0
4.3
V
Iline = 140 mA
−
6.7
7.2
V
VLN(Rext)
DC line voltage with an
RVA = 90 kΩ (between
−
3.6
−
V
external resistor RVA
pins LN and REG)
∆VLN(T)
DC line voltage variation with Tamb = −25 to +75 °C
−
±40
−
mV
temperature referenced to
25 °C
THE INTERNAL SUPPLY POINT (PIN VCC)
ICC
internal current consumption
VCC
supply voltage for internal
circuitry
VCC = 3.3 V
IP = 0 mA
−
1.15
1.4
mA
−
3.3
−
V
THE REGULATED SUPPLY POINT (PIN VDD)
ISUP
input current of the VDD
Iline = 1 mA
regulator (current from pin LN Iline = 4 mA
not flowing through pin SLPE) Iline ≥ 11 mA
−
0
−
mA
−
1.2
−
mA
−
4.3
−
mA
VDD
regulated supply voltage in:
speech mode
IDD = −3 mA;
2.95
VLN > 3.6 V + 0.28 V (typ.);
Iline ≥ 11 mA
3.25
3.55
V
speech mode at reduced
performance
Iline = 4 mA
−
VLN − 0.35 −
V
ringer mode
Iline = 0 mA; IDD = 75 mA 3.0
3.3
3.6
V
IDD
regulated supply current
available in:
speech mode
speech mode at reduced
performance
Iline ≥ 11 mA
Iline = 4 mA
−
−
−3
mA
−
−1
−
mA
trickle mode
Iline = 0 mA;
VCC discharging;
VDD = 1.2 V
−
−
100
nA
1999 Nov 22
13
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