TEA1113 Philips Semiconductors, TEA1113 Datasheet - Page 13

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

Philips Semiconductors
1997 Mar 27
Dynamic limiter and microphone mute (pin DLS/MMUTE)
D
V
THD
t
t
M
V
I
t
Receiving amplifier (pins IR, QR and GAR)
G
V
V
Automatic gain control (pin AGC)
I
I
att
rel
IL
rel
start
stop
SYMBOL
Z
G
G
G
G
o(rms)
G
LN(max)(p-p)
IL
norx(rms)
Low voltage versatile telephone
transmission circuit with dialler interface
YNAMIC LIMITER BEHAVIOUR
vrx
ICROPHONE MUTE INPUT
i
vtxm
vrx(f)
vrx(T)
vrxr
vtrx
maximum output voltage swing
on the line (peak-to-peak value)
total harmonic distortion
attack time, V
2 mV up to 20 mV
release time, V
20 mV down to 2 mV
gain reduction
LOW level input voltage
LOW level input current
release time after a LOW level
on pin DLS/MMUTE
input impedance
voltage gain from IR to QR
gain variation with frequency
referred to 1 kHz
gain variation with temperature
referred to 25 C
gain voltage reduction range
maximum output voltage
(RMS value)
noise output voltage at pin QR
(RMS value)
gain control range for
microphone and receiving
amplifiers with respect to
I
highest line current for maximum
gain
lowest line current for minimum
gain
line
= 15 mA
PARAMETER
MIC
MIC
jumps from
jumps from
I
I
V
V
C
C
DLS/MMUTE = LOW
C
V
f = 300 to 3400 Hz
T
external resistor connected
between GAR and QR
I
R
I
R
R
IR open-circuit;
psophometrically weighted
(P53 curve)
I
line
line
p
p
line
amb
MIC
MIC
IR
DLS
DLS
DLS
L
L
L
= 0 mA sine wave drive;
= 0 mA sine wave drive;
= 150 ; THD = 2%
= 450 ; THD = 2%
= 150 ;
= 15 mA; V
= 4 mA
= 4 mV (RMS)
= 85 mA
= 4 mV (RMS) + 10 dB
= 4 mV (RMS) + 15 dB
= 25 to +75 C
= 470 nF
= 470 nF
= 470 nF
CONDITIONS
13
ref
= 3.7 V
3.8
50
V
40
30.3
240
350
EE
MIN.
0.4
4.65
1.6
1.5
150
80
60
30
20
31.3
290
410
5.8
25
59
TYP.
0.2
0.3
86
Product specification
2
10
5
V
32.3
12
EE
MAX.
TEA1113
+ 0.3
V
%
%
ms
ms
dB
V
ms
k
dB
dB
dB
dB
mV
mV
dBVp
dB
mA
mA
UNIT
A