u4090b-p ATMEL Corporation, u4090b-p Datasheet - Page 17

• Manufacturer Part Number: u4090b-p
• Description: U4090b-p Monolithic Integrated Feature Phone Circuit Emi Improved
• Manufacturer: ATMEL Corporation

6. Electrical Characteristics (Continued)
f = 1 kHz, 0 dBm = 775 mV
Z
4741C–CORD–11/05
Parameters
Gain deviation with current
AFS Acoustic Feedback Suppression
Adjustment range of attenuation
Attenuation of transmit gain
Attenuation of speaker amplifier
AFS disable
Supply Voltages, V
V
V
V
V
Ringing Power Converter, IMP = 1 mA, IM = 0
Maximum output power
Threshold of ring frequency detector
Input impedance
Input impedance in speech mode
Logic level of frequency detector
Ring detector enable
Zener diode voltage
MUTR Input
MUTR input current
MUTR input voltage
ear
MP
MPS
M
B
= 68 nF + 100 , Z
MIC
M
= 25 mV, T
= 68 nF, pin 31 open, V
rms
, I
M
= 0.3 mA, I
amb
= –10 to +60°C
Test Conditions
I
I
I
I
R
I
I
I
R
I
I
I
RDC = 68 k
I
I
RDC = infinite
I
I
I
RDC = 130 k
I
I
V
RFDO: low to high
V
V
f = 300 Hz to 3400 Hz I
V
V
V
V
V
I
V
I
V
Mute low; I
Mute high; I
L
L
L
INLDT
INLDR
L
INLDP
INLDR
L
L
MP
L
MP
L
M
B
L
RING
L
RING
HYST
RING
RING
RING
B
RING
RING
MUTR
MUTR
ATAFS
ATAFS
= 15 to 100 mA
= 14 mA
= 100 mA
= 0 mA
> 14 mA
= 20 mA
= 700 µA
= 4V
= 2 mA
= 0 mA
15 mA
15 mA
15 mA
15 mA
14 mA
MP
= 25 mA
= 0 µA
= 10 µA
= 0 µA
= 10 µA
= 20.6V
= 30V
= 20V + 1.5V
= 0V
= 25V
= 25V, RFDO high
= V
= GND
= V
= 30 k
= 30 k
= 2 mA, RDC = 130 k , T
IMPSEL
RING
MP
L
L
> 14 mA
> 14 mA
ON – V
= GND, V
rms
RING
L
MUTX
> 15 mA
OFF
= GND, V
amb
= 25°C, RGSA = 560 k ,
MUTR
V
Symbol
V
R
V
V
V
V
V
V
R
= GND, unless otherwise specified.
RINGmax
I
V
RINGON
RINGSP
V
MUTE
P
ATAFS
MPON
RFDO
MUTE
MUTE
V
HYST
G
V
RING
MPS
G
G
MP
SA
M
B
SA
D
T
VMP –
Min.
0.3V
30.8
150
1.5
3.1
1.3
1.8
0
4
Typ.
17.5
11.0
V
–20
+10
3.3
2.0
45
50
20
7
5
0
MP
U4090B-P
Max.
±0.5
33.3
–30
3.5
6.7
3.3
7.6
2.2
0.3
50
6
Unit
mW
dB
dB
dB
dB
k
k
µA
V
V
V
V
V
V
V
V
V
V
V
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