tea1097h NXP Semiconductors, tea1097h Datasheet - Page 24

• Manufacturer Part Number: tea1097h
• Description: Speech And Loudspeaker Amplifier Ic With Auxiliary Inputs/outputs And Analog Multiplexer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Apr 08
TX
G
V
V
RX
G
V
V
Automatic Gain Control (pin AGC)
I
I
start
stop
G
G
G
G
G
G
G
AUXO(rms)
no(AUXO)(rms)
AUXO(rms)
no(AUXO)(rms)
Speech and loudspeaker amplifier IC with
auxiliary inputs/outputs and analog multiplexer
v(HFTX-AUXO)
v(IR-AUXO)
SYMBOL
v(f)
v(T)
v(mute)
v(f)
v(T)
v(mute)
v(trx)
AUXILIARY AMPLIFIER USING
AMPLIFIER USING
voltage gain from pin HFTX to
AUXO
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25 C
maximum output voltage on pin
AUXO (RMS value)
noise output voltage at pin
AUXO; pin HFTX shorted to
GND through 200
with 10 F (RMS value)
gain reduction if not activated
voltage gain from pin IR
(referenced to LN) to AUXO
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25 C
maximum output voltage on
AUXO (RMS value)
noise output voltage at pin
AUXO; pin IR is an open-circuit
(RMS value)
gain reduction if not activated
gain control range for transmit
and receive amplifiers affected
by the AGC; with respect to
I
highest line current for
maximum gain
lowest line current for maximum
gain
line
IR (
= 15 mA
PINS
PARAMETER
IR
HFTX (
AND
AUXO)
PINS
in series
HFTX
AND
V
f = 300 to 3400 Hz
T
THD = 2%
psophometrically
weighted (p53 curve)
HFC = LOW;
MUTT = LOW;
MUTR = HIGH;
AUXC = LOW
V
f = 300 to 3400 Hz
T
THD = 2%
psophometrically
weighted (p53 curve)
HFC = HIGH;
MUTT = LOW;
MUTR = HIGH;
AUXC = HIGH
I
G
and G
I
G
line
line
AUXO)
amb
amb
HFTX
IR
v(MIC-LN)
v(TXAUX-LN)
= 3 mV (RMS)
= 70 mA; on
= 70 mA;
24
= 25 to +75 C
= 25 to +75 C
CONDITIONS
v(IR-AUXO)
= 100 mV (RMS)
, G
v(IR-RECO)
14.2
0.8
60
31.6
0.8
60
5.45
5.8
MIN.
15.2
0.9
80
32.8
0.9
80
6.45
6.8
23
57
0.1
0.1
91.5
0.1
0.3
85
TYP.
Product specification
16.2
34
7.45
7.8
TEA1097
MAX.
dB
dB
dB
V
dBVp
dB
dB
dB
dB
V
dBVp
dB
dB
dB
mA
mA
UNIT