TEA1068T Philips Semiconductors, TEA1068T Datasheet - Page 12
TEA1068T
Manufacturer Part Number
TEA1068T
Description
Versatile telephone transmission circuit with dialler interface
Manufacturer
Philips Semiconductors
Datasheet
1.TEA1068T.pdf
(24 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TEA1068T
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
andbook, full pagewidth
Philips Semiconductors
1996 Apr 23
MUTE input
V
V
I
G
Power-Down input PD
V
V
I
Automatic Gain Control input AGC
I
I
MUTE
pd
line(H)
line(L)
SYMBOL
G
G
G
IH
IL
IH
IL
Versatile telephone transmission circuit
with dialler interface
v
v
v
v
HIGH level input voltage
LOW level input voltage
input current
voltage gain reduction between
MIC+ and MIC to LN
voltage gain from DTMF to QR+ or
QR
HIGH level input voltage
LOW level input voltage
input current in power-down
condition
gain control range from IR to
QR+/QR and from MIC+/MIC to
LN
highest line current for maximum
gain
lowest line current for minimum
gain
voltage gain variation
PARAMETER
V exch
R exch
TEA1068
R line
DC
AC
REG
Fig.9 Supply arrangement.
I SLPE
C3
MUTE = HIGH
MUTE = HIGH; R4 = 100 k ;
single-ended; R
I
between AGC and V
R6 = 110 k between AGC
and V
R6 = 110 k between AGC
and V
between I
I
between AGC and V
line
line
STAB
I line
= 70 mA; R6 = 110 k
= 35 mA; R6 = 110 k
0.5 mA
I
R5
SLPE
EE
EE
12
CONDITIONS
line
LN
SLPE
R9
= 15 mA and
R1
V CC
L
= 300
0.5 mA
V EE
I CC
EE
EE
C1
MBH134
1.5
1.5
peripheral
21
5.5
1.0
MIN.
circuits
I p
8
70
5
23
61
TYP.
19
5.9
1.5
Product specification
TEA1068
V
0.3
15
V
0.3
10
MAX.
17
6.3
2.0
CC
CC
V
V
dB
dB
V
V
dB
mA
mA
dB
UNIT
A
A