tea1118t NXP Semiconductors, tea1118t Datasheet - Page 15

• Manufacturer Part Number: tea1118t
• Description: Versatile Cordless Transmisssion Circuit
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1997 Jul 14
Automatic gain control (pin AGC)
I
I
DTMF amplifier (pin DTMF; TEA1118A only)
G
G
Mute function (pin MUTE; TEA1118A only)
V
V
I
SYMBOL
start
stop
MUTE
Z
G
G
G
G
IL
IH
Versatile cordless transmisssion circuit
vdtmf
vct
i
vtrx
vdtmf(f)
vdtmf(T)
trxm
gain control range for transmit and
receive amplifiers with respect to
I
highest line current for maximum
gain
lowest line current for minimum gain
input impedance
voltage gain from DTMF to LN
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25 C
voltage gain from DTMF to QR
(confidence tone)
LOW level input voltage
HIGH level input voltage
input current
gain reduction for transmit and
receive amplifiers
line
= 15 mA
PARAMETER
I
V
MUTE or TMUTE = HIGH
f = 300 to 3400 Hz
T
V
R
input level = HIGH
MUTE = HIGH
line
amb
DTMF
DTMF
L
= 150
= 75 mA;
= 25 to + 75 C
= 100 mV (RMS);
= 100 mV (RMS);
CONDITIONS
15
16.2
V
V
EE
EE
MIN.
TEA1118; TEA1118A
+ 1.5
0.4
5.8
26
61
20
17.4
1.25
80
TYP.
0.2
0.4
18
Product specification
18.6
V
V
3
EE
CC
MAX.
+ 0.3 V
+ 0.4 V
dB
mA
mA
k
dB
dB
dB
dB
dB
UNIT
A