tea1065t NXP Semiconductors, tea1065t Datasheet - Page 15

• Manufacturer Part Number: tea1065t
• Description: Versatile Telephone Transmission Circuit With Dialler Interface
• Manufacturer: NXP Semiconductors

Philips Semiconductors
CHARACTERISTICS
I
March 1994
LN
Supply LN and V
V
V
I
Microphone inputs MIC and MIC (pins 8 and 7)
G
Dual-tone multi-frequency input DTMF (pin 19)
G
Gain adjustment GAS1 and GAS2 (pin 2 and 3)
SYMBOL
CC
V
G
G
G
G
G
LN
LN
Z
Z
Versatile telephone transmission circuit with
dialler interface
v
v
= 10 to 150 mA; V
I
I
LN
v
v
v
v
v
f
T
f
T
/ T
voltage drop over circuit
variation with temperature
voltage drop over circuit
supply current
input impedance
voltage gain
variation with frequency
referred to 800 Hz
variation with temperature
referred to 25 C
input impedance
voltage gain
variation with frequency
referred to 800 Hz
variation with temperature
referred to 25 C
gain variation with R7
connected between pins 2 and 3;
transmitting amplifier
CC
EE
(pins 1 and 21)
PARAMETER
= 0 V; f = 800 Hz; T
amb
= 25 C; R9 = 20 ; unless otherwise specified
I
I
I
I
I
I
R
R
PD = LOW; V
PD = HIGH; V
I
I
f = 300 to 3400 Hz
I
T
without R6
I
I
f = 300 to 3400 Hz
I
T
line
line
line
line
line
line
line
line
line
line
line
line
amb
amb
VA
VA
= 5 mA
= 15 mA
= 100 mA
= 140 mA
= 15 mA
= 15 mA
= 15 mA; R7 = 68 k
= 15 mA;
= 50 mA;
= 15 mA; R7 = 68 k
= 15 mA
= 50 mA;
= R
= R
= 25 to 75 C;
= 25 to 75 C
CONDITIONS
1-22
22-24
15
= 68 k
= 39 k
CC
CC
= 2.8 V
= 2.8 V
3.95
4.25
5.4
3.6
4.7
18.5
37
16.8
24.5
3
0.5
0.5
8
MIN.
4.25
4.45
6.1
3.9
5.0
1.14
73
20.4
38
20.7
25.5
1
0.2
0.5
0.2
0.5
TYP.
Product specification
4.55
4.65
6.7
7.5
4.15
5.3
1.5
105
24.3
39
24.6
26.5
1
0.5
0.5
8
MAX.
TEA1065
V
V
V
V
mV/K
V
V
mA
k
dB
dB
dB
k
dB
dB
dB
dB
A
UNIT