參數(shù)資料
型號： 933821300112
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELEPHONE SPEECH CKT, PDIP18
封裝： 0.300 INCH, PLASTIC, SOT-102, DIP-18
文件頁數(shù)： 3/29頁
文件大?。?/td> 231K
代理商： 933821300112
June 1990
11
Philips Semiconductors
Product specication
Low voltage versatile telephone
transmission circuit with dialler interface
TEA1067
CHARACTERISTICS
Iline = 11 to 140 mA; VEE = 0 V; f = 800 Hz; Tamb =25 °C; unless otherwise specied
PARAMETER
CONDITION
SYMBOL
MIN.
TYP.
MAX.
UNIT
Supply; LN and VCC
Voltage drop over circuit,
between LN and VEE
microphone inputs open
Iline = 1 mA
VLN
1.6
V
Iline = 4 mA
VLN
1.75
2.0
2.25
V
Iline = 7 mA
VLN
2.25
2.8
3.35
V
Iline = 11 mA
VLN
3.55
3.8
4.05
V
Iline = 15 mA
VLN
3.65
3.9
4.15
V
Iline = 100 mA
VLN
4.9
5.6
6.5
V
Iline = 140 mA
VLN
7.5
V
Variation with temperature
Iline = 15 mA
VLN/T
3
1
mV/K
Voltage drop over circuit,
between LN and VEE with
external resistor RVA
Iline = 15 mA;
RVA (LN to REG)
= 68 k
3.1
3.4
3.7
V
Iline = 15 mA;
RVA (REG to SLPE)
= 39 k
4.2
4.5
4.8
V
Supply current
PD = LOW;
VCC = 2.8 V
ICC
1.0
1.35
mA
Supply current
PD = HIGH;
VCC = 2.8 V
ICC
55
82
A
Supply voltage available for
peripheral circuitry
Iline = 15 mA;
MUTE = HIGH
Ip = 1.4 mA
VCC
2.2
2.4
V
Ip = 0 mA
VCC
2.95
3.2
V
Microphone inputs
MIC
+ and MIC
Input impedance (differential)
between MIC
and MIC+ Z
i
51
64
77
k
Input impedance (single-ended)
MIC
or MIC+ to VEE
Zi
25.5
32
38.5
k
Common mode rejection ratio
kCMR
82
dB
Voltage gain
MIC
+/MIC to LN
Iline = 15 mA;
R7 = 68 k
Gv
51
52
53
dB
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