參數(shù)資料
型號： 933880320112
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELEPHONE SPEECH CKT, PDSO20
封裝： PLASTIC, SOT-163, SO-20
文件頁數(shù)： 7/29頁
文件大小： 231K
代理商： 933880320112
June 1990
15
Philips Semiconductors
Product specication
Low voltage versatile telephone
transmission circuit with dialler interface
TEA1067
Fig.9 Supply arrangement.
handbook, full pagewidth
MBH123
Rexch
Rline
Iline
Vexch
DC
AC
REG
C3
R5
R9
STAB
SLPE
LN
VCC
VEE
0.5 mA
R1
ISLPE
ISLPE + 0.5 mA
ICC
C1
peripheral
circuits
Ip
TEA1067
Fig.10 Typical current Ip available from VCC for peripheral circuitry with VCC ≥ 2.2 V.
Curve (a) is valid when the receiving amplifier is not driven or when MUTE = HIGH,
curve (b) is valid when MUTE = LOW and the receiving amplifier is driven;
Vo(rms) = 150 mV, RL = 150 asymmetrical. The supply possibilities can be increased
simply by setting the voltage drop over the circuit VLN to a higher value by means of
resistor RVA connected between REG and SLPE.
(a) Ip = 1.8 mA
(b) Ip = 1.35 mA
Iline = 15 mA at VLN = 3.9 V
R1 = 620
and R9 = 20 .
handbook, halfpage
012
4
0
2
MGR085
3
1
VCC (V)
IP
(mA)
a
b
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