tea1098uh NXP Semiconductors, tea1098uh Datasheet - Page 25

• Manufacturer Part Number: tea1098uh
• Description: Speech And Handsfree Ic
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2001 Aug 24
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 = 2% in the input
stage
psophometrically weighted
(p53 curve)
see Table 2
I
V
20 mV to 20 mV + 10 dB
V
V
20 mV + 10 dB to 20 mV
V
t > t
V
V
I
line
BB
TSEN
HFRX
BB
HFRX
HFRX
DLC
DLC
GALS
I
I
I
line
line
line
= 0 mA; I
= 70 mA;
att
jumps below V
= 0.2 V
= 0.2 V
= 0.8 to 160 A
= 18 mA
= 30 mA
> 50 mA
25
CONDITIONS
jumps from
jumps from
= 20 mV + 10 dB;
= 33 k ; for
DD
= 1 mA
BB(th)
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