BT1062A Kodenshi Korea Corp., BT1062A Datasheet - Page 6
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BT1062A
Manufacturer Part Number
BT1062A
Description
Telephone Speech Network With Dialer Int`erface
Manufacturer
Kodenshi Korea Corp.
Datasheet
1.BT1062A.pdf
(9 pages)
Output Voltage (RMS value)
Gain adjustment input GAR (Pin 5)
Receiving Amplifier Gain Variation by
adjustment of R4 between GAR and QR
Mute input (Pin 12)
HIGH Level Input Voltage
LOW Level Input Voltage
Input Current
Reduction of Gain
MIC+ or MIC- to LN
TEA1062
TEA1062A
Voltage Gain from DTMF to QR
TEA1062
TEA1062A
Automatic Gain Control Input AGC (Pin 15)
Controlling the Gain from IR to QR and the
Gain from MIC+, MIC- to LN
Gain Control Range
Highest Line Current for Maximum Gain
Lowest Line Current for Minimum Gain
The supply possibilities can be increased by setting the voltage drop over the circuit V
SLPE.
V
(1) I
(2) I
CC
driven; V
> 2.2V; I
p
p
= 2.1mA. Curve (1) is valid when the receiving or when MUTE = HIGH(KKA1062), MUTE = LOW(KKA1062A).
= 1.7mA. Curve (2) is valid when MUTE = LOW(KKA1062), MUTE = HIGH(KKA1062A) and the receiving amplifier is
o(rms)
line
= 15mA at V
= 150mV, R
L
LN
Fig.4 Typical current I
= 150 : .
= 4V; R1 = 620 : ; R9 = 20 :
p
V
I
available from V
I
' G
V
' G
' G
I
V
MUTE
G
lineH
o(rms)
lineL
IH
IIL
v
v
v
v
I
(from pin 9 to pin 4)
I
I
MUTE = HIGH
MUTE = LOW
R4 = 100k : ; R
MUTE = HIGH
MUTE = LOW
R6 = 110k :
(between AGC and V
I
I
I
line
line
line
line
line
line
= 15mA; R
= 15mA
= 15mA
= 70mA
= 15mA
= 70mA
CC
I
for peripheral circuitry.
I
line
line
(from pin 9 to pin 4)
= 15mA; R
= 15 mA; I
R4 = 100 K : ;
L
R
R
L
= 300 : ;
L
L
= 300 :
= 150 :
= 450 :
LN
EE
L
to a higher value be resistor R
p
)
= 300 : ;
= 0 mA
0.22
-11
0.3
1.5
20
-
VA
KKA1062/1062A
connected between REG and
0.33
0.48
-17
-17
5.8
15
70
70
23
61
8
V
0.3
15
65
0
CC
mV
mA
mA
dB
uA
dB
dB
dB
V
V
V
V