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PDF TEA1062N Data sheet ( Hoja de datos )
| Número de pieza | TEA1062N | |
| Descripción | LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
TEA1062N/TEA1062AN
LINEAR INTEGRATED CIRCUIT
LOW VOLTAGE TELEPHONE
TRANSMISSION CIRCUIT WITH
DIALLER INTERFACE
SOP-16
DESCRIPTION
The UTC TEA1062N/TEA1062AN is a bipolar integrated circuit
performing all speech and line interface function, required in the
fully electronic telephone sets. It performs electronic switching
between dialing speech. The circuit is able to operate down to D.C.
line voltage of 1.6V (with reduced performance) to facilitate the use
of more telephone sets in parallel.
FEATURES
* Low d.c. line voltage; operates down to 1.6V
(excluding polarity guard).
* Voltage regulator with adjustment static resistance.
* Provides supply with limited current for external circuitry.
* Symmetrical high-impedance inputs (64kΩ)
for dynamic, magnetic or piezoelectric microphones.
* Asymmetrical high-impedance inputs (32kΩ)
for electrets microphones.
* DTMF signal input with confidence tone.
* Mute input for pulse or DTMF dialing.
* Receivering amplifier for several types of earphones.
* Large amplification setting range on microphone and earpiece
amplifiers.
* Line loss compensation facility, line current depedant
(microphone and earpiece amplifiers).
* Gain control adaptable to exchange supply.
* Possibility to adjust the d.c. line voltage
ORDERING INFORMATION
Order Number
Lead Free
Halogen Free
TEA1062NL-D16-T
TEA1062NG-D16-T
- TEA1062NG-S16-R
TEA1062ANL-D16-T
TEA1062ANG-D16-T
- TEA1062ANG-S16-R
Package
DIP-16
SOP-16
DIP-16
SOP-16
DIP-16
Packing
Tube
Tape Reel
Tube
Tape Reel
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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TEA1062N/TEA1062AN
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Positive Continuous Line Voltage
Repetitive Line Voltage During
Switch-On Or Line Interruption
VLN
VLN(RL)
12
13.2
V
V
Repetitive Peak Line Voltage for a 1 ms Pulse/5s(R10=13,
R9=20(see Fig.15))
VLN(RPL)
28
V
Line Current (Note1) (R9=20)
ILINE 140 mA
Voltage on All Other Pins
VI(+)
VI(-)
VCC+0.7
-0.7
V
V
Total Power Dissipation (Note2) (R9=20)
Junction Temperature
PD 640 mW
TJ +125 C
Operating Ambient Temperature Range
Storage Temperature Range
TOPR
TSTG
-25 ~ +75
-40 ~ +125
C
C
Note: 1. Mostly dependent on the maximum required Ta and the voltage between LN and SLPE (see Figs 6 ).
2. Calculated for the maximum ambient temperature specified Ta=75C and a maximum junction temperature
of 125C.
3. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATING
UNIT
Thermal Resistance From Junction to Ambient in Free Air
θJA
75 °C/W
ELECTRICAL CHARACTERISTICS (ILINE=11~140mA; VEE=0V; f=800Hz; Ta=25C; unless otherwise
specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
SUPPLY; LN AND VCC(PINS 1 AND 13)
ILINE =1mA
1.6 V
Voltage Drop Over Circuit,
Between LN and VEE
VLN MIC inputs open
ILINE =4mA
ILINE =15mA
ILINE =100mA
1.9
3.55 4.0 4.25
4.9 5.7 6.5
V
V
V
ILINE =140mA
7.5 V
Variation with Temperature
VLN/T ILINE =15mA
-0.3 mV/K
Voltage Drop Over Circuit,
ILINE =15mA, RVA(LN to REG) =68k
3.5
V
Between LN and VEE with
External Resistor RVA
ILINE =15mA,
RVA(REG to SLPE) =39k
4.5 V
Supply Current
ICC VCC=2.8V
0.9 1.35 mA
Supply Voltage
TEA1062N
Available for
Peripheral Circuitry TEA1062AN
VCC
ILINE=15mA
Ip=1.2mA; MUTE=HIGH
lp=0mA; MUTE=HIGH
ILINE=15mA
Ip=1.2mA; MUTE=LOW
lp=0mA; MUTE=LOW
2.2
2.2
2.7
3.4
2.7
3.4
V
V
V
V
MICROPHONE INPUTS MIC+ AND MIC- (PINS 6 AND 7)
Input impedance (differential)
Between MIC- and MIC+
Input impedance (sigle-ended)
∣Zi∣
MIC- or MIC+ to VEE
Common Mode Rejection Ratio
CMRR
64 k
32 k
82 dB
Voltage Gain MIC+ or MIC- to LN
Gain Variation with Frequency
at f=300Hz and f=3400Hz
Gain Variation with Temperature
at -25C and +75C
Gv
Gvf
ILINE=15mA, R7=68k
w.r.t.800Hz
GvT w.r.t.25C, without R6; ILINE =50mA
50.5 52.0 53.5
±0.2
±0.2
dB
dB
dB
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 14
QW-R108-011.D
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TEA1062N/TEA1062AN
LINEAR INTEGRATED CIRCUIT
Fig.8 Supply arrangement
Fig.9 Typical current Ip available from Vcc peripheral circuitry with Vcc≧2.2V.
curve (a) is valid when the receiving amplifier is not driven or when MUTE =LOW (UTC TEA1062N is HIGH) .curve(b)
is valid when MUTE=HIGH(UTC TEA1062N is LOW) and the receiving amplifier is driven;
Vo(rms)=150mV,RL=150.The supply possibilities can be increased simply by setting the voltage drop over the
circuit VLN to a high value by means of resistor RVA connected between REG and SLPE.
7 MIC+
(1)
6 MIC-
13
VCC
7 MIC+
6 MIC-
VEE
9
(a) (b)
Fig. 10 Alternative microphone arrangement
7 MIC+
6 MIC-
(c)
(a) Magnetic or dynamic microphone. The resistor marked(1) may be connected to decrease the terminating
impedance.
(b) Electret microphone.
(c) Piezoelectric microphone.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
11 of 14
QW-R108-011.D
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet TEA1062N.PDF ] | |
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