TEA1093T Philips Semiconductors, TEA1093T Datasheet - Page 20

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

Philips Semiconductors
Notes
1. Corresponds to 5 mW output power.
2. Corresponds to 20 mW output power.
3. Corresponds to 40 mW output power.
4. Corresponds to 100 mW output power.
5. Corresponds to 1 dB tracking.
6. Corresponds to 4.3 dB noise/speech recognition level.
1996 Feb 09
D
V
Decision logic (IDT and SWT)
S
S
I
I
I
Voice switch (STAB and SWR)
SWRA
| G
G
source(SWT)
sink(SWT)
idle(SWT)
V
V
SWRA
RINDT(rms)
IGNAL RECOGNITION
WITCH
IAL TONE DETECTOR
Hands-free IC
tr
SYMBOL
Srx(th)
Stx(th)
v
|
-
OVER
threshold level at pin RIN1 and
RIN2 (RMS value)
threshold voltage between pin
RENV and RNOI to switch-over
from receive to idle mode
threshold voltage between pin
TENV and TNOI to switch-over
from transmit to idle mode
current sourced from pin SWT
when switching to receive mode
current sunk by pin SWT when
switching to transmit mode
current sourced from pin SWT
in idle mode
switching range
switching range adjustment with
R
voltage gain variation from
transmit mode to idle mode on
both channels
gain tracking (G
during switching, referenced to
idle mode
SWR
referenced to 365 k
PARAMETER
vtx
+ G
vrx
)
V
note 6
RIN
CONDITIONS
V
20
RINDT
; note 6
7.5
7.5
40
MIN.
127
13
13
10
10
0
40
20
TYP.
0.5
12.5
12.5
12
Product specification
MAX.
TEA1093
mV
mV
mV
dB
dB
dB
dB
UNIT
A
A
A