u4089b-m ATMEL Corporation, u4089b-m Datasheet - Page 12

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

Electrical Characteristics (continued)
U4089B-M
Speaker amplifier
Minimum line current for
operation
Input resistance
Gain from SAI to SAO
Output power
Output noise (input SAI open)
psophometrically weighted
Gain deviation
Mute suppression
Gain change with current
Resistor for turning off speaker
amplifier
Gain change with frequency
Attack time of anti-clipping
Release time of anti-clipping
DTMF amplifier
Adjustment range of DTMF gain I
DTMF amplification
Gain deviaton
Input resistance
Distortion of DTMF signal
Gain deviation with current
AFS acousting feedback suppression
Range of attenuation
Attenuation of transmit gain
12 (23)
Parameters
Test conditions: IMP = 2 mA, IM = 0.3 mA, V
No ac signal
Pin 24
V
I
RGSA = 560 kW
RGSA = 20 kW
Load resistance
R
V
I
I
I
I
T
I
V
V
Pin 23 open
I
I
I
f = 300 to 3400 Hz
20 dB over drive
Mute active
I
VDTMF = 8 mV
Mute active:
MUTX = VMP
I
T
RGT = 27 kW,
RGT = 15 kW
I
V
I
I
I
I
R
I
Test Conditions / Pin
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
INLDT
INLDR
amb
amb
SAI
L
SAI
L
SAI
L
ATAFS
= 15 to 100 mA
= 15 mA,
= 15 mA
= 20 mA
> 15 mA
= 15 mA
= 15 mA,
= 15 to 100 mA
= 15 mA
= 15 mA
= 15 mA,
= 15 mA
w 15 mA
= 15 to 100 mA
w 15 mA
w 15 mA,
= 50 W, d < 5%
= 0 dBm,
= 0 dBm
= 3 mV,
= 20 mV
= –10 to +60 C
= 4 mV
= –10 to +60 C
= 0 mA
= 10 mA
= 30 kW
Symbol
VSAO
DG
DG
RG
DG
DGD
I
DG
G
P
P
n
Lmin
G
G
G
d
R
tr
t
SA
SA
SA
SA
D
f
D
D
D
SA
SA
SA
SA
i
T
MUTX
Min.
35.5
40.7
0.8
14
40
60
26
3
0
= VMP
Typ.
36.5
41.7
180
– 3
1.3
20
80
70
45
7
5
"0.5
"0.5
"0.5
Max.
37.5
42.7
200
"1
–60
"1
300
130
15
22
50
50
2
2
Rev. A3, 06-Mar-01
mV
dBm
Unit
mW
mW
MW
mA
kW
kW
dB
dB
dB
dB
dB
ms
ms
dB
dB
dB
dB
dB
dB
%
psoph
Fig.
22
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23