u4089b-m ATMEL Corporation, u4089b-m Datasheet - Page 13

• Manufacturer Part Number: u4089b-m
• Description: Multi-standard Feature Phone Circuit With Voice Switch
• Manufacturer: ATMEL Corporation

Electrical Characteristics (continued)
U4089B-M Control
Rev. A3, 06-Mar-01
Attenuation of speaker
amplifier
AFS disable
Supply voltages, V
V
V
V
MUTX input
Input current
Input voltage
0
Z
1
Logic-level
0 = < (0.3 V)
Z = > (1 V) < (V
1 = > (V
MP
M
B
MUTX
MIC 1/2 transmit enabled
receive enable
AFS = on
AGA = on
TXACL = on
DTMF transmit enabled
receive enable
AFS = on
AGA = on
TXACL = on
DTMF transmit enabled
DTMF to receive enable
AFS = off
AGA = off
TXACL = off
MP
Parameters
– 0.3 V)
MP
mic
– 1 V) or (open input)
= 25 mV, T
amb
I
I
R
I
I
I
RDC = 68 kW
I
I
I
RDC = 130 kW
I
I
V
V
Input high
Input low
Test Conditions / Pin
L
INLDP
INLDR
L
L
MP
L
M
B
L
ATAFS
MUTX
MUTX
w 15 mA
w 15 mA
w 14 mA,
= 0 mA
= 14 mA,
= + 20 mA,
= 300 mA
Speech
For answering
machine
DTMF dialling
= – 10 to + 60 C
= 2 mA
= 0 m
= 10 m
= 30 kW
MODE
= V
= GND
MP
AFS =
AGA =
TXACL =
ES =
Symbol
V
V
V
I
I
0
0 to Z Line impedance = 600 W
1 to Z Line impedance = 900 W
1
DG
MUTX
MUTX
V
ATAFS
MUTX
MUTX
V
V
MP
M
B
SA
IMPSEL
Line impedance = 600 W
TXA = on
ES = off
TXA = off
ES = on
TXA = off
ES = on
Line impedance = 900 W
TXA = on
ES = off
V
0.3 V
Min.
1.5
3.1
1.4
MP
Acoustical feedback-supression control
Automatic gain adjustment
Transmit anti-clipping control
External supply
–
Typ.
–20
3.3
50
20
7
U4089B-M
Max.
–30
3.5
3.3
7.6
0.3
30
Speech
Transmit mute
Transmit mute
Speech
Unit
mA
mA
dB
V
V
V
V
V
V
MODE
13 (23)
Fig.
23
23
23
23
23
21
21
21