u4089b-m ATMEL Corporation, u4089b-m Datasheet - Page 11

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

Electrical Characteristics (continued)
Rev. A3, 06-Mar-01
Gain at low operating current
Distortion at low operating
current
Line-loss compensation
Mute suppression
a) MIC muted
Receiving amplifier, I
Adjustment range of receiving
gain
Receiving amplification
Amplification of DTMF signal
from DTMF IN to RECO
Frequency response
Gain change with current
Gain deviation
Ear protection
MUTE suppression
DTMF operation
Output voltage d v 2%
Maximum output current
d v 2%
Receiving noise
psophometrically weighted
Output resistance
Line-loss compensation
Gain at low operating current
AC impedance
Distortion at low operating
current
(microphone preamplifier)
Parameters
L
= 14 mA, RGR = 62 k, unless otherwise specified, V
I
I
RDC = 68 kW
V
I
I
I
I
RDC = 68 kW
V
I
RAGA = 20 kW
I
Mutx = open
I
single-ended
RGR = 62 kW
RGR = 22 kW
I
V
I
f = 300 to 3400 Hz
I
T
I
VGEN = 11 V
I
V
I
Z
Z
Z
I
Output against GND
RAGA = 20 kW,
I
I
I
I
V
RDC = 68 kW
I
I
V
RDC = 68 kW
Test Conditions / Pin
L
MP
M
L
M
MP
L
L
L
L
L
L
L
L
L
L
L
L
MP
M
L
MP
amb
ear
ear
ear
mic
mic
MUTX
MUTX
GEN
GEN
= 10 mA
= 10 mA
w 14 mA
w 14 mA,
w 14 mA
= 14 to 100 mA
w 14 mA
w 14 mA
= 14 mA
w 14 mA
= 100 mA
= 10 mA
= 10 mA
= 100 mA,
> 14 mA,
= 300 mA
= 300 mA
= 300 mA
= 1 mA
= 1 mA
= 1 mA
= 1 mA
= 68 nF
= 100 W
= 68 nF + 100 W
= 1 mV
= 10 mV
= –10 to +60 C
= 560 mV
= 560 mV
= V
= V
MP
MP
rms
Symbol
DG
DG
DG
G
G
DG
DG
DG
Z
G
G
G
EP
Ro
G
dR
d
ni
imp
RM
TM
T
R
R
R
t
RF
TI
RI
R
R
R
– 7.75
Min.
–6.4
–7.0
840
0.5
40
60
–8
60
–8
1
4
GEN
Typ.
–5.8
–6.0
–80
900
– 7
1.5
80
–7
4
= 300 mV
U4089B-M
– 6.25
"0.5
"0.5
"0.5
Max.
42.5
–5.2
–5.0
–77
960
1.1
+2
10
–6
5
7
5
(peak)
dBmp
Vrms
V
Unit
mA
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
W
W
rms
11 (23)
Fig.
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23