tea1097h NXP Semiconductors, tea1097h Datasheet - Page 21

• 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 amplifiers; see note 1
TX
G
CMRR
THD
V
DTMF
G
G
Z
Z
Z
Z
G
G
G
G
G
G
no(LN)
Speech and loudspeaker amplifier IC with
auxiliary inputs/outputs and analog multiplexer
v(MIC-LN)
v(DTMF-LN)
v(DTMF-RECO)
i(HFTX)
i(HFRX)
i(TXAUX)
i(RAUX)
SYMBOL
v(f)
v(T)
v(mute)
v(f)
v(T)
v(mute)
HANDSET MICROPHONE AMPLIFIER
AMPLIFIER
(
input impedance between pins
HFTX and GND
input impedance between pins
HFRX and GND
input impedance between pins
TXAUX and GND
input impedance between pins
RAUX and GND
voltage gain from pin MIC+/MIC
to LN
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25 C
common mode rejection ratio
total harmonic distortion at pin
LN
noise output voltage at pin LN;
pins MIC+/MIC shorted
through 200
gain reduction if not activated
voltage gain from pin DTMF to
LN
gain variation with frequency
referenced to 1 kHz
gain variation with temperature
referenced to 25 C
gain reduction if not activated
voltage gain from pin DTMF to
RECO
PINS
DTMF, LN
PARAMETER
AND
(
PINS
RECO)
MIC+, MIC
V
f = 300 to 3400 Hz
T
V
I
V
psophometrically
weighted (p53 curve)
HFC = LOW;
MUTT = LOW;
MUTR = LOW;
AUXC = LOW
V
f = 300 to 3400 Hz
T
HFC = LOW;
MUTT = HIGH;
MUTR = HIGH;
AUXC = LOW
V
line
amb
amb
MIC
LN
LN
DTMF
DTMF
AND
= 4 mA;
= 1.4 V (RMS)
= 0.12 V (RMS)
21
= 5 mV (RMS)
= 25 to +75 C
= 25 to +75 C
CONDITIONS
LN)
= 50 mV (RMS)
= 50 mV (RMS)
43.3
60
24.35 25.35
60
MIN.
20
20
20
20
44.3
80
80
80
0.25
0.25
77.5
0.25
0.25
16.5
TYP.
Product specification
45.3
2
10
26.35
TEA1097
MAX.
k
k
k
k
dB
dB
dB
dB
%
%
dBmp
dB
dB
dB
dB
dB
dB
UNIT