u4090b-p ATMEL Corporation, u4090b-p Datasheet - Page 16

• 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
16
Parameters
Gain at low operating current
AC impedance
Distortion at low operating current
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 Test Conditions: IMP = 2 mA, IM = 0.3 mA, V
Adjustment range of DTMF gain
DTMF amplification
Gain deviation
Input resistance
Distortion of DTMF signal
ear
= 68 nF + 100 , Z
U4090B-P
M
= 68 nF, pin 31 open, V
rms
, I
M
= 0.3 mA, I
Test Conditions
I
I
I
V
RDC = 68 k
V
V
I
I
V
RDC = 68 k
No AC signal
Pin 24
V
I
R
R
Load resistance
R
V
I
I
I
I
I
V
V
Pin 23 open
I
I
I
20 dB over drive
I
I
V
Mute active: MUTX = V
I
R
R
I
V
L
MP
M
L
MP
L
L
L
L
L
L
L
L
L
L
L
L
L
GEN
IMPSEL
IMPSEL
GEN
SAI
SAI
L
SAI
DTMF
L
GSA
GSA
L
GT
GT
= 15 to 100 mA
= 10 mA
= 10 mA
= 15 mA
= 15 mA
= 20 mA
> 15 mA
= 15 mA, T
= 15 mA
= 15 to 100 mA
= 15 mA, f = 300 to 3400 Hz
= 15 mA mute active
= 15 mA
= 15 mA, T
= 300 µA
= 0 dBm
= 0 dBm
= 50 , d < 5%
= 1 mA
= 1 mA
15 mA
MP
= 27 k
= 15 k
= 3 mV
= 20 mV
= 4 mV
= 560 mV
= 560 mV
= 560 k
= 20 k
= 8 mV
= 2 mA, RDC = 130 k , T
IMPSEL
= GND
= V
MP
amb
amb
= GND, V
= –10 to +60 C
= –10 to +60°C
MP
MUTX
MUTX
= GND, V
= VMP
amb
= 25°C, RGSA = 560 k ,
MUTR
Symbol
= GND, unless otherwise specified.
RG
V
I
Z
Z
G
P
P
n
G
dR
Lmin
G
G
G
G
G
G
d
R
SAO
tr
imp
imp
tf
SA
SA
SA
SA
D
R
D
D
D
SA
SA
SA
SA
i
Min.
35.5
40.7
570
840
0.8
–2
14
40
60
26
3
Typ.
36.5
41.7
600
900
180
1.3
–1
–3
20
80
70
7
5
Max.
37.5
±0.5
42.7
±0.5
640
960
200
–60
300
130
15
22
±1
±1
50
4741C–CORD–11/05
0
5
2
2
µV
dBm
Unit
mW
mA
M
dB
dB
dB
dB
ms
ms
dB
dB
k
dB
dB
k
%
%
psoph