Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

TEA1113 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. TEA1113
Description  Low voltage versatile telephone transmission circuit with dialler interface
Download  20 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
Logo 

TEA1113 Datasheet(HTML) 2 Page - NXP Semiconductors

 
Zoom Inzoom in Zoom Outzoom out
 2 / 20 page
background image
1997 Mar 27
2
Philips Semiconductors
Product specification
Low voltage versatile telephone
transmission circuit with dialler interface
TEA1113
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 inputs (64 kΩ) for
dynamic, magnetic or piezo-electric microphones
• Asymmetrical high impedance input (32 kΩ) for electret
microphones
• DTMF input with confidence tone
• MUTE input for pulse or DTMF dialling
• Receiving amplifier for dynamic, magnetic or
piezo-electric earpieces
• Dynamic limitation in the transmit direction to prevent
distortion of the transmit line and sidetone signals
• AGC line loss compensation for microphone and
earpiece amplifiers
• LED on-hook/off-hook status indication
• Microphone mute function available with switch.
APPLICATION
• Line powered telephone sets, cordless telephones, fax
machines and answering machines.
GENERAL DESCRIPTION
The TEA1113 is a bipolar integrated circuit that performs
all speech and line interface functions required in fully
electronic telephone sets. It performs electronic switching
between speech and dialling. The IC operates at a line
voltage down to 1.6 V DC (with reduced performance) to
facilitate the use of telephone sets connected in parallel.
A current (proportional to the line current and internally
limited to 19.5 mA) is available to drive an LED which
indicates the on-hook/off-hook status.
The transmit signal on the line is dynamically limited to
prevent distortion at high transmit levels for both the
sending line and sidetone signals. The microphone
amplifier can be disabled during speech condition by
means of a microphone mute function.
All statements and values refer to all versions unless
otherwise specified.
QUICK REFERENCE DATA
Iline = 15 mA; VEE =0V; RSLPE =20 Ω; CDLS = 470 nF; AGC pin connected to VEE; Zline = 600 Ω; f = 1 kHz;
Tamb =25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Iline
line current operating range
normal operation
11
140
mA
with reduced performance
1
11
mA
ILED(max)
maximum supply current available
Iline =18 mA
0.6
mA
Iline >76mA
19.5
mA
VLN
DC line voltage
3.7
4.0
4.3
V
VLN(max)(p-p)
maximum output voltage swing
(peak-to-peak value)
3.8
4.65
V
ICC
internal current consumption
VCC = 3.2 V
1.3
1.6
mA
VCC
supply voltage for peripherals
Ip = 0 mA
2.8
3.2
V
Gvtrx
typical voltage gain range
microphone amplifier
VMIC = 2 mV (RMS)
38.8
51.8
dB
receiving amplifier
VIR = 4 mV (RMS)
19.3
31.3
dB
∆G
vtrx
gain control range for microphone and
receiving amplifiers with respect to
Iline =15mA
Iline =85mA
5.8
dB
∆Gvtxm
microphone amplifier gain reduction
80
dB


Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20 


Datasheet Download




Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Alldatasheet API   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn