U4082B-MFLG Atmel, U4082B-MFLG Datasheet - Page 23
U4082B-MFLG
Manufacturer Part Number
U4082B-MFLG
Description
IC VOICE-SWITCH SPKR CIRC 28SOIC
Manufacturer
Atmel
Datasheet
1.U4082B-MFLG.pdf
(30 pages)
Specifications of U4082B-MFLG
Function
Voice-Switched Speakerphone
Number Of Circuits
1
Voltage - Supply
3.5 V ~ 6.5 V
Current - Supply
5.5mA
Power (watts)
520W
Operating Temperature
-20°C ~ 60°C
Mounting Type
Surface Mount
Package / Case
28-SOIC (7.5mm Width)
Includes
Background Noise Monitor, Chip Disable, Dial Tone Detection, MUTE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Interface
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
U4082B-MFLG
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
U4082B-MFLG3G
Manufacturer:
ATMEL
Quantity:
560
Figure 8-3.
4743D–CORD–03/06
Acoustic
coupling
Basic Clock Diagram for Design Purposes
MIC amp.
RLI2
TLI2
I
3
I
1
MICO
SAO
Figure 8-2.
• G
• G
• G
• G
• G
• G
R
R
0.18 V/V, or –15 dB)
–1.6 dB)
U4083B (typically 22V/V or 26.8 dB)
microphone output voltage
1
3
Speaker amp.
ST
HR
FO
R
SA
AC
+
-
+
-
is the gain of the receive attenuator measured from RI to RECO
is the side tone gain, measured from HTO–/HTO+ to the filter input (measured at
is the gain of the speaker amplifier, measured from RECO to the differential output of the
is the acoustic coupling, measured from the speaker differential voltage to the
is the gain from Tip/Ring to the filter input for receive signals (measured at 0.833V/V or
is the gain of the filter stage, measured from the input of the filter to RI, typically 0 dB
Typical Output Swing versus V
Comparator
C1
RECO
TI
R attenuator
T attenuator
3
2
1
5
4
0
6
Attenuator
control
3
TO
RO
Comparator
4
TO
RI
S
C2
V
S
(V)
5
TO, RO
FO
MICO
Hybrid amp.
HTO -,
HTO +
6
+
-
+
-
HTO-/HTO+
R
R
2
4
FO
G
TLI1
RLI1
ST
I
4
Filter
I
2
Hybrid
FI
U4082B
G
G
HIT
HR
Ring
Tip
23