TEA1098 Philips Semiconductors, TEA1098 Datasheet - Page 26

• Manufacturer Part Number: TEA1098
• Description: Speech and handsfree IC
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1999 Oct 14
V
V
V
I
D
t
t
THD
V
M
V
I
TX
Preamplifiers
G
G
Logarithmic compressor and sensitivity adjustment
LSAO(max)
att
rel
DLC(th)
G
G
V
HFRX(rms)(max)
no(LSAO)(rms)
LSAO(rms)
BB(th)
DLC(th)
YNAMIC LIMITER
Speech and handsfree IC
v(TSEN)
v(RSEN)
UTE RECEIVE
SYMBOL
det(TSEN)
v(mute)
vrx(mute)
AND
RX
ENVELOPE AND NOISE DETECTORS
(
PIN
maximum input voltage at pin
HFRX (RMS value)
noise output voltage at pin
LSAO; pin HFRX is open-circuit
(RMS value)
gain reduction if not activated
output voltage (RMS value)
maximum output current at pin
LSAO (peak value)
attack time
release time
total harmonic distortion
V
threshold voltage required on
pin DLC to obtain mute receive
condition
threshold current sourced by pin
DLC in mute receive condition
voltage gain reduction in mute
receive condition
voltage gain from pin
TXIN to TSEN
voltage gain from pin
HFRX to RSEN
sensitivity detection on pin
TSEN; voltage change on pin
TENV when doubling the current
from TSEN
(
PINS
BB
DLC)
limiter threshold
LSAO
PARAMETER
AND
DLC)
(
PINS
TSEN, TENV, TNOI, RSEN, RENV
I
R
THD in the input stage
psophometrically weighted
(p53 curve)
see Table 2
I
when V
20 to 20 mV + 10 dB
when V
V
when V
20 mV + 10 dB to 20 mV
V
t > t
V
V
I
line
BB
TSEN
BB(th)
HFRX
DLC
DLC
GALS
I
I
I
line
line
line
= 0 mA; I
= 70 mA;
att
= 0.2 V
= 0.2 V
= 0.8 to 160 A
= 18 mA
= 30 mA
> 50 mA
26
CONDITIONS
= 20 mV + 10 dB;
= 33 k ; for 2%
HFRX
BB
HFRX
jumps below
DD
jumps from
jumps from
= 1 mA
60
150
60
MIN.
0.4
AND
580
80
0.9
1.3
1.6
300
1
100
1
2.7
100
80
40
0
18
79
RNOI)
TYP.
Product specification
5
2
+0.2
TEA1098
MAX.
mV
dBVp
dB
V
V
V
mA
ms
ms
ms
%
V
V
dB
dB
dB
mV
UNIT
A