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UTCTEA1062N Datasheet(PDF) 4 Page - Unisonic Technologies

Part No. UTCTEA1062N
Description  LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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UTCTEA1062N Datasheet(HTML) 4 Page - Unisonic Technologies

 
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UTCTEA1062N / TEA1062AN
LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD. 4
QW-R108-011,A
ELECTRICAL CHARACTERISTICS (continued)
PARAMETER
TEST CONDITIONS
SYMBOL
MIN
TYP
MAX
UNIT
Microphone inputs MIC+ and MIC- (pins 6 and 7)
Input impedance (differential)
between MIC- and MIC+
Zi
64
k
Input impedance (sigle-ended)
MIC- or MIC+ to VEE
Zi
32
k
Common Mode Rejection Ratio
kCMR
82
dB
Voltage Gain
MIC+ or MIC- to LN
Iline=15mA
R7=68k
Gv
50.5
52.0
53.5
dB
Gain Variation with Frequency
at f=300Hz and f=3400Hz
w.r.t.800Hz
∆Gvf
+-0.2
dB
Gain Variation with Temperature
at -25
°C and +75°C
w.r.t.25
°C
without R6;
Iline=50mA
∆GvT
+-0.2
dB
Dual-tone multi-frequency input DTMF (pin 11)
Input impedance
Zi
20.7
k
Voltage Gain from DTMF to LN
Iline=15mA
R7=68k
Gv
24
25.5
27
dB
Gain Variation with Frequency
at f=300Hz and f=3400Hz
w.r.t.800Hz
∆Gvf
+-0.2
dB
Gain Variation with Temperature
at -25
°C and +75°C
w.r.t.25
°C
Iline=50mA
∆GvT
+-0.2
dB
Gain Adjustment GAS1 and GAS2 (pins 2 and 3)
Gain Variation of the Transmitting
Amplifier by Varying R7 between
GAS1 and GAS2
∆Gv
-8
0
dB
Sending Amplifier Output LN (pin 1)
Output Voltage
Iline=15mA
THD=10%
VLN(rms)
1.7
2.3
V
Iline=4mA
THD=10%
VLN(rms)
0.8
V
Noise output voltage
Iline=15mA;
R7=68k
Ω;
200
Ω between
MIC- and MIC+;
psophometrically
weighted
VNO(rms)
-69
dBmp
Receiving Amplifier Input IR (pin 10)
Input impedance
Zi
21
k
Receiving Amplifier Output QR (pin 4)
Output Impedance
Zo
4
Voltage gain from IR to QR
Iline=15mA;
RL(from pin 9 to
pin 4 )=300
Gv
29.5
31
32.5
dB


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