TEA1113 Philips Semiconductors, TEA1113 Datasheet - Page 14

• Manufacturer Part Number: TEA1113
• Description: Low voltage versatile telephone transmission circuit with dialler interface
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1997 Mar 27
DTMF amplifier (pin DTMF)
G
G
Mute function (pin MUTE)
V
V
I
MUTE
SYMBOL
Z
G
G
G
IL
IH
Low voltage versatile telephone
transmission circuit with dialler interface
vdtmf
vct
i
vdtmf(f)
vdtmf(T)
vtrxm
input impedance
voltage gain from DTMF to LN
gain variation with frequency
referred to 1 kHz
gain variation with temperature
referred to 25 C
voltage gain from DTMF to QR
(confidence tone)
LOW level input voltage
HIGH level input voltage
input current
gain reduction for microphone
and receiving amplifiers
PARAMETER
V
MUTE = LOW
f = 300 to 3400 Hz
T
R
V
MUTE = HIGH
MUTE = LOW
amb
DTMF
DTMF
L
= 150 ;
= 25 to +75 C
= 25 mV (RMS);
= 25 mV (RMS)
CONDITIONS
14
24.2
V
V
EE
EE
MIN.
+ 1.5
0.4
20
25.4
1.25
80
TYP.
0.2
0.5
18
Product specification
26.6
V
V
3
EE
CC
MAX.
TEA1113
+ 0.3
+ 0.4 V
k
dB
dB
dB
dB
V
dB
UNIT
A