TEA1093T Philips Semiconductors, TEA1093T Datasheet - Page 19

• Manufacturer Part Number: TEA1093T
• Description: Hands-free IC
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1996 Feb 09
M
V
I
Envelope and noise detectors (TSEN, TENV, RSEN and RENV)
P
G
G
L
S
I
I
N
I
I
DLC(th)
source(ENV)
sink(ENV)
source(NOI)
sink(NOI)
OGARITHMIC COMPRESSOR AND SENSITIVITY ADJUSTMENT
G
V
V
V
V
DLC(th)
REAMPLIFIERS
IGNAL ENVELOPE DETECTORS
OISE ENVELOPE DETECTORS
Hands-free IC
v(TSEN)
v(RSEN)
UTE RECEIVE
SYMBOL
det(TSEN)
det(RSEN)
ENV
NOI
vrxm
threshold voltage required on
pin DLC/MUTER to obtain
mute receive condition
threshold current sourced by pin
DLC/MUTER in mute receive
condition
voltage gain reduction in mute
receive condition
voltage gain from MIC to TSEN
voltage gain between RIN1 and
RIN2 to RSEN.
sensitivity detection on pin
TSEN; voltage change on pin
TENV when doubling the
current from TSEN
sensitivity detection on pin
RSEN; voltage change on pin
RENV when doubling the
current from RSEN
maximum current sourced from
pin TENV or RENV
maximum current sunk by pin
TENV or RENV
voltage difference between pin
RENV and TENV
maximum current sourced from
pin TNOI or RNOI
maximum current sunk by pin
TNOI or RNOI
voltage difference between pin
RNOI and TNOI
PARAMETER
V
V
I
I
when 10 A is
sourced from both
RSEN and TSEN;
envelope detectors
tracking; note 5
when 5 A is sourced
from both RSEN and
TSEN; noise detectors
tracking; note 5
TSEN
RSEN
DLC
DLC
CONDITIONS
= 0.2 V
= 0.8 to 160 A
= 0.8 to 160 A
0.2 V
19
V
38
0.75
0.75
2
GND
MIN.
0.4 V
80
80
40
0
18
18
120
1
1
120
TYP.
3
3
0.2
42
+2
1.25
1.25
Product specification
MAX.
TEA1093
V
dB
dB
dB
mV
mV
mV
mV
UNIT
A
A
A
A
A