參數(shù)資料
型號： 953220640112
廠商： NXP SEMICONDUCTORS
元件分類： 無繩電話/電話
英文描述： TELECOM, CORDLESS, BASEBAND CIRCUIT, PDSO16
封裝： PLASTIC, SOT-369, SSOP-16
文件頁數(shù)： 12/27頁
文件大?。?/td> 226K
代理商： 953220640112
1997 Jul 14
2
Philips Semiconductors
Product specication
Versatile cordless transmisssion circuit
TEA1118; TEA1118A
FEATURES
Low DC line voltage; operates down to 1.6 V (excluding
polarity guard)
Voltage regulator with adjustable DC voltage
Provides a supply for external circuits
Symmetrical high impedance transmit inputs (62.5 k)
with large signals handling capabilities [up to
1 V (RMS value) with less than 2% THD]
Receive amplifier for dynamic, magnetic or
piezoelectric earpieces
AGC line loss compensation for transmit and earpiece
amplifiers
DTMF input with confidence tone (TEA1118A only)
MUTE input for pulse or DTMF dialling (TEA1118A only)
Transmit mute function, also enabling the DTMF input
(TEA1118A only).
APPLICATIONS
Cordless telephone base stations
Fax machines
Answering machines.
GENERAL DESCRIPTION
The TEA1118 and TEA1118A are bipolar integrated
circuits that perform all speech and line interface functions
required in cordless telephone base stations. The ICs
operate at a line voltage down to 1.6 V DC (with reduced
performance) to facilitate the use of telephone sets
connected in parallel.
The TEA1118A offers in addition to the TEA1118
electronic switching between speech and dialling.
Moreover the transmit amplifier can be disabled during
speech condition by means of a transmit mute function.
All statements and values refer to all versions unless
otherwise specified.
QUICK REFERENCE DATA
Iline = 15 mA; VEE =0V; RSLPE =20 ; AGC pin connected to VEE; Zline = 600 ; f = 1 kHz; Tamb =25 °C;
unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Iline
line current operating range
normal operation
11
140
mA
with reduced performance
1
11
mA
VLN
DC line voltage
3.35
3.65
3.95
V
ICC
internal current consumption
VCC = 2.9 V
1.15
1.4
mA
VCC
supply voltage for peripherals
IP =0mA
2.9
V
Gvtrx
typical voltage gain range
transmit amplifier (TEA1118A only)
VTX = 200 mV (RMS)
11.3
dB
transmit amplifier (TEA1118 only)
VTX = 200 mV (RMS)
5.3
11.3
dB
receive amplifier
VIR = 4 mV (RMS)
19
31
dB
G
vtrx
gain control range for transmit and
receive ampliers with respect to
Iline =15mA
Iline =75mA
5.8
dB
相關(guān)PDF資料
PDF描述
953220640118 TELECOM, CORDLESS, BASEBAND CIRCUIT, PDSO16
953220650512 TELECOM, CORDLESS, BASEBAND CIRCUIT, PDSO14
953220650518 TELECOM, CORDLESS, BASEBAND CIRCUIT, PDSO14
953237440112 TELECOM, CORDLESS, BASEBAND CIRCUIT, PDSO16
953237440118 TELECOM, CORDLESS, BASEBAND CIRCUIT, PDSO16
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