參數(shù)資料
型號(hào)： 935084920112
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)： 14/38頁
文件大?。?/td> 303K
代理商： 935084920112
March 1994
21
Philips Semiconductors
Product specication
Low voltage versatile telephone transmission circuit
with dialler interface and transmit level dynamic limiting
TEA1064A
Dynamic behaviour of limiter
C16 = 470 nF
attack time, Vmic jumps from
2 mV to 40 mV
tatt
1.5
5.0
ms
release time, Vmic jumps from
40 mV to 2 mV
trel
50
150
ms
Noise output voltage (RMS value)
lline =15mA;
R7 =68k
;
200
between
MIC
and MIC+;
psophometrically
weighted (P53 curve)
Vno(rms)
72
dBmp
Receiving amplier input IR (pin 13)
Input impedance
Zi
17
21
25
k
Receiving amplier outputs QR
QR+
(pins 4, 5)
Output impedance
single-ended
Zo
4
Voltage gain
Fig.23;
Iline = 15 mA;
R4 = 100 k
single-ended; RT = 300
Gv
30
31
32
dB
differential; RT = 600
Gv
36
37
38
dB
Variation with frequency,
referred to 0.8 kHz
f = 300 and 3400 Hz
Gvf
0.5
0.2
0
dB
Variation with temperature,
referred to 25
°C
without R6;
Iline = 50 mA;
Tamb = 25 to +75 °C
GvT
± 0.2
dB
Output voltage (RMS value)
THD = 2%;
sinewave drive;
R4 = 100 k
;
Iline =15mA
single-ended; RT = 150
Ip = 0 mA
Vo(rms)
0.22
V
Ip = 2 mA
Vo(rms)
0.35
V
differential; RT = 450
Ip = 0 mA
Vo(rms)
0.39
V
Ip = 2 mA
Vo(rms)
0.64
V
differential; CT =47nF;
(100
series resistor); f = 3400 Hz
Ip = 0 mA
Vo(rms)
0.57
V
Ip = 2 mA
Vo(rms)
0.9
V
PARAMETER
CONDITIONS
SYMBOL
MIN.
TYP.
MAX.
UNIT
相關(guān)PDF資料
PDF描述
935084920118 TELEPHONE SPEECH CKT, PDSO20
935084930112 TELEPHONE SPEECH CKT, PDIP20
0672.400 Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT06; Number of Contacts:55; Connector Shell Size:22; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Body Style:Straight
0672.500 Circular Connector; No. of Contacts:61; Series:; Body Material:Aluminum; Connecting Termination:Solder; Connector Shell Size:24; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:24-61
935085450112 F/FAST SERIES, DUAL POSITIVE EDGE TRIGGERED D FLIP-FLOP, COMPLEMENTARY OUTPUT, PDSO14
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