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參數(shù)資料
| 型號： | TEA1118T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Versatile cordless transmisssion circuit |
| 中文描述： | TELECOM, CORDLESS, BASEBAND CIRCUIT, PDSO14 |
| 封裝： | SO-14 |
| 文件頁數(shù)： | 14/24頁 |
| 文件大?。?/td> | 188K |
| 代理商： | TEA1118T |
1997 Jul 14
14
Philips Semiconductors
Product specification
Versatile cordless transmisssion circuit
TEA1118; TEA1118A
Transmit amplifier (pins TX
+
, TX
and GAT)
Z
i
input impedance
differential between pins
TX+ and TX
single-ended between pins
TX+/TX
and V
EE
G
vtx
voltage gain from TX+/TX
to LN
G
vtx(f)
gain variation with frequency
referred to 1 kHz
G
vtx(T)
gain variation with temperature
referred to 25
°
C
CMRR
common mode rejection ratio
G
vtxr
gain voltage reduction range
(TEA1118 only)
V
LN(max)
maximum sending signal
(RMS value)
62.5
k
36.5
k
V
TX
= 200 mV (RMS)
f = 300 to 3400 Hz
10.1
11.3
±
0.2
12.5
dB
dB
T
amb
=
25 to +75
°
C
±
0.3
dB
60
6
dB
dB
external resistor connected
between GAT and REG
I
line
= 15 mA; THD = 2%
I
line
= 4 mA; THD = 10%
I
line
= 15 mA; THD = 2%
I
line
= 75 mA; THD = 2%
psophometrically weighted
(P53 curve)
1.4
1.7
0.8
0.45
0.9
84
V
V
V
V
dBmp
V
TX(max)
maximum transmit input voltage
(RMS value)
V
notx
noise output voltage at pin LN; pins
TX+/TX
shorted through 200
Transmit mute (pin TMUTE; TEA1118A only)
G
vtxm
gain reduction
V
IL
LOW level input voltage
V
IH
HIGH level input voltage
I
TMUTE
input current
TMUTE = HIGH
V
EE
0.4
V
EE
+ 1.5
80
V
EE
+ 0.3
V
CC
+ 0.4 V
3
dB
V
input level = HIGH
1.25
μ
A
Receive amplifier (pins IR, QR and GAR)
Z
i
input impedance
G
vrx
voltage gain from IR to QR
G
vrx(f)
gain variation with frequency
referenced to 1 kHz
G
vrx(T)
gain variation with temperature
referenced to 25
°
C
G
vrxr
gain voltage reduction range
29.8
20
31
±
0.2
32.2
k
dB
dB
V
IR
= 4 mV (RMS)
f = 300 to 3400 Hz
T
amb
=
25 to +75
°
C
±
0.3
dB
external resistor connected
between GAR and QR
I
P
= 0 mA sine wave drive;
R
L
= 150
; THD = 2%
I
P
= 0 mA sine wave drive;
R
L
= 450
; THD = 2%
IR open-circuit;
R
L
= 150
;
psophometrically weighted
(P53 curve)
12
dB
V
o(rms)
maximum receive signal
(RMS value)
0.25
V
0.35
V
V
norx(rms)
noise output voltage at pin QR
(RMS value)
TEA1118
TEA1118A
89
86
dBVp
dBVp
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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