參數(shù)資料
型號： 935263379112
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELEPHONE SPEECH CKT, PDIP16
封裝： 0.300 INCH, PLASTIC, SOT-38-4, DIP-16
文件頁數(shù)： 7/30頁
文件大?。?/td> 218K
代理商： 935263379112
2000 Mar 21
15
Philips Semiconductors
Product specication
Low voltage telephone transmission circuit with
dialler interface and regulated strong supply
TEA1114A
CHARACTERISTICS
Iline = 15 mA; VEE =0V; RSLPE =20 ; pin AGC connected to VEE;Zline = 600 ; f = 1 kHz; measured according to test
circuits given in Figs 15, 16 and 17; Tamb =25 °C for TEA1114A(T); Tj =25 °C for TEA1114AUHT; unless otherwise
specied.
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
3.9
4.15
4.4
V
VLN
DC line voltage
Iline =1mA
1.45
V
Iline =4mA
2
V
Iline = 15 mA
4.05
4.35
4.65
V
Iline = 140 mA
7.1
7.55
V
VLN(Rext)
DC line voltage with an
external resistor RVA
RVA = 44.2 k (between
pins LN and REG)
3.6
V
LN(T)
DC line voltage variation with
temperature referred to 25
°C
Tamb = 25 to +75 °C
±40
mV
THE INTERNAL SUPPLY POINT (PIN VCC)
ICC
internal current consumption
VCC = 3.6 V
1.25
1.5
mA
VCC
supply voltage for internal
circuitry
IP =0mA
3.6
V
THE REGULATED SUPPLY POINT (PIN VDD)
ISUP
input current of the VDD
regulator (current from pin LN
not owing through pin SLPE)
Iline =1mA
0
mA
Iline =4mA
2.15
mA
Iline ≥ 11 mA
4.3
mA
VDD
regulated supply voltage in:
speech mode
IDD = 3 mA;
VLN > 3.6 + 0.25 V (typ.);
Iline ≥ 11 mA
3.0
3.3
3.6
V
speech mode at reduced
performance
Iline =4mA
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
Iline ≥ 11 mA
3mA
speech mode at reduced
performance
Iline =4mA
0.5
mA
trickle mode
Iline = 0 mA; VCC
discharging; VDD = 1.2 V
100
nA
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