TEA1067/C2 Philips Semiconductors (Acquired by NXP), TEA1067/C2 Datasheet - Page 14

• Manufacturer Part Number: TEA1067/C2
• Description: TEA1067; Low Voltage Versatile Telephone Transmission Circuit With Dialler Interface;; Package: SOT102-1 (DIP18), SOT163 (SO20)
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
June 1990
Gain adjustment GAR
Gain variation of receiving
Mute input
Input voltage HIGH
Input voltage LOW
Input current
Gain reduction
Voltage gain from DTMF
Power-down input PD
Input voltage HIGH
Input voltage LOW
Input current
Automatic gain control
input AGC
Gain control range
Highest line current for
Minimum line current for
Reduction of gain between
Low voltage versatile telephone
transmission circuit with dialler interface
amplifier achievable by
varying R4 between
GAR and QR
MIC or MIC to LN
to QR or QR
Controlling the gain
from IR to QR /QR and
the gain from MIC /MIC
to LN; R6 between AGC
and V
maximum gain
minimum gain
I
I
line
line
= 15 mA and
= 35 mA
EE
PARAMETER
MUTE = HIGH
MUTE = HIGH;
R4 = 100 k ;
single-ended;
R
R6 = 110 k
I
line
L
= 300
= 70 mA
CONDITION
14
V
V
I
G
V
V
I
I
I
MUTE
PD
line
line
G
G
G
G
IH
IL
IH
IL
v
SYMBOL
v
v
v
v
1.5
1.5
11
21
5.5
1.0
MIN.
8
70
5
23
61
19
5.9
1.5
TYP.
Product specification
V
0.3
15
V
0.3
10
8
17
6.3
2.0
CC
CC
MAX.
TEA1067
dB
V
V
dB
dB
V
V
dB
mA
mA
dB
A
A
UNIT