參數(shù)資料
型號(hào)： 935084930112
廠商： NXP SEMICONDUCTORS
元件分類： 無(wú)繩電話/電話
英文描述： TELEPHONE SPEECH CKT, PDIP20
封裝： 0.300 INCH, PLASTIC, SOT-146, DIP-20
文件頁(yè)數(shù)： 15/38頁(yè)
文件大小： 303K
代理商： 935084930112
March 1994
22
Philips Semiconductors
Product specication
Low voltage versatile telephone transmission circuit
with dialler interface and transmit level dynamic limiting
TEA1064A
Output voltage (RMS value)
Ip = 0 mA;
THD = 10%;
sinewave drive;
R4 = 100 k
;
single-ended;
RT = 150 ;
Iline = 4 mA
Vo(rms)
25
mV
Iline = 7 mA
Vo(rms)
160
mV
Noise output voltage (RMS value)
Iline = 15 mA;
R4 = 100 k;
psophometrically
weighted
(P53 curve);
pin IR open
single-ended;
RT = 300 ;Vno(rms)
45
V
differential;
RT = 600
Vno(rms)
90
V
Noise output voltage (RMS value)
in circuit of Fig.23;
S1 in position 2;
200
between
MIC
+ and MIC;
single-ended;
RT = 300
R7 = 68 k
Vno(rms)
100
V
R7 = 24.9 k
Vno(rms)
65
V
Gain adjustment input GAR (pin 6)
Receiving amplier,
gain adjustment range
G
v
11
+8dB
MUTE INPUT (pin 14)
Input voltage HIGH
VIH
1.5
+
VSLPE
VCC1
+ 0.4
V
Input voltage LOW
VIL
0
0.3
+
VSLPE
V
Input current
Imute
11
20
A
Change of microphone amplier
gain at mute-ON
MUTE = HIGH
Gv
100
dB
PARAMETER
CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
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