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UTCTEA1062AN View Datasheet(PDF) - Unisonic Technologies

Part NameDescriptionManufacturer
UTCTEA1062AN LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE UTC
Unisonic Technologies UTC
UTCTEA1062AN Datasheet PDF : 13 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
UTC TEA1062N / TEA1062AN
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS (continued)
PARAMETER
TEST CONDITIONS
Microphone inputs MIC+ and MIC- (pins 6 and 7)
Input impedance (differential)
between MIC- and MIC+
Input impedance (sigle-ended)
MIC- or MIC+ to VEE
Common Mode Rejection Ratio
Voltage Gain
MIC+ or MIC- to LN
Iline=15mA
R7=68k
Gain Variation with Frequency
at f=300Hz and f=3400Hz
w.r.t.800Hz
Gain Variation with Temperature
at -25°C and +75°C
w.r.t.25°C
without R6;
Iline=50mA
Dual-tone multi-frequency input DTMF (pin 11)
Input impedance
Voltage Gain from DTMF to LN
Iline=15mA
R7=68k
Gain Variation with Frequency
at f=300Hz and f=3400Hz
w.r.t.800Hz
Gain Variation with Temperature
at -25°C and +75°C
w.r.t.25°C
Iline=50mA
Gain Adjustment GAS1 and GAS2 (pins 2 and 3)
Gain Variation of the Transmitting
Amplifier by Varying R7 between
GAS1 and GAS2
Sending Amplifier Output LN (pin 1)
Output Voltage
Iline=15mA
THD=10%
Iline=4mA
THD=10%
Noise output voltage
Iline=15mA;
R7=68k;
200between
MIC- and MIC+;
psophometrically
weighted
Receiving Amplifier Input IR (pin 10)
Input impedance
Receiving Amplifier Output QR (pin 4)
Output Impedance
Voltage gain from IR to QR
Iline=15mA;
RL(from pin 9 to
pin 4 )=300
SYMBOL MIN TYP MAX UNIT
Zi
Zi
kCMR
64
k
32
k
82
dB
Gv
Gvf
50.5 52.0 53.5 dB
+-0.2
dB
GvT
Zi
Gv
Gvf
+-0.2
dB
20.7
k
24 25.5 27 dB
+-0.2
dB
GvT
+-0.2
dB
Gv
-8
0
dB
VLN(rms) 1.7 2.3
V
VLN(rms)
0.8
V
VNO(rms)
-69
dBmp
Zi
21
k
Zo
4
Gv
29.5 31 32.5 dB
UTC
UNISONIC TECHNOLOGIES CO., LTD. 4
QW-R108-011,A
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