TEA1098ATV PHILIPS [NXP Semiconductors], TEA1098ATV Datasheet - Page 26

• Manufacturer Part Number: TEA1098ATV
• Description: Speech and handsfree IC
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
2000 Mar 21
V
V
RX
V
V
Automatic Gain Control (pin AGC)
I
I
Logic inputs (pins HFC, MUTE, and BPC)
V
V
I
start
stop
i(l)
G
G
G
I
RECO(rms)(max)
no(RECO)(rms)
EARO(rms)(max)
no(EARO)(rms)
IL
IH
Speech and handsfree IC
start
v(mute)
v(RECO-EARO)
v(trx)
SYMBOL
EARPIECE AMPLIFIER
maximum output
voltage on RECO
(RMS value)
noise output voltage at
pin RECO; pin IR is an
open-circuit
(RMS value)
gain reduction if not
active
gain voltage range
between pins RECO
and EARO
maximum output
voltage on EARO
(RMS value)
noise output voltage at
pin EARO; pin IR is an
open-circuit
(RMS value)
gain control range for
transmit and receive
signals affected by the
AGC; with respect to
I
highest line current for
maximum gain
lowest line current for
maximum gain
I
with R
LOW-level input voltage
HIGH-level input
voltage
input current at low
voltage
line
start
for pin HFC
for pin MUTE
for pin BPC
= 15 mA
adjustment range
PARAMETER
(
PINS
AGC
GARX
AND
EARO)
THD = 2%;
G
psophometrically weighted
(p53 curve)
MUTE = 0; see Table 2
sine wave drive; R
THD < 2%
G
psophometrically weighted
(p53 curve)
I
G
I
R
V
line
line
BB
AGC
v(RECO-EARO)
v(EARO)
v(IR-RECO)
= 70 mA; G
= 70 mA for G
= 3.0 V
= 0
CONDITIONS
= 12 dB; EVCI = 0;
; R
26
AGC
= 12 dB
v(MIC LN)
= 0;
L
v(HFTX LN)
= 150 ;
;
;
0.75
60
0
0.75
5.45
5.8
1.4
0.4
MIN.
0.9
80
0.9
6.45
6.8
23
57
0
84
84
5
2.5
TYP.
Preliminary specification
+20
7.45
40
V
7.8
0.3
TEA1098A
BB
MAX.
+ 0.3
V
dBVp
dB
dB
V
dBVp
dB
dB
mA
mA
mA
V
V
UNIT
A
A
A