U4083B TEMIC Semiconductors, U4083B Datasheet

no-image

U4083B

Manufacturer Part Number
U4083B
Description
Manufacturer
TEMIC Semiconductors
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
U4083B
Manufacturer:
TFK
Quantity:
5 510
Part Number:
U4083B
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
U4083B-AFPG3
Manufacturer:
TEMIC
Quantity:
20 000
Part Number:
U4083B-AFPG3
Manufacturer:
TEMIC
Quantity:
8 297
Part Number:
U4083B-MFPG3
Manufacturer:
OSRAM
Quantity:
10 034
Part Number:
U4083B-MFPG3
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
U4083B-MFPG3
Manufacturer:
TEMIC
Quantity:
14 879
Part Number:
U4083B-MFPG3Y
Manufacturer:
ST
0
Part Number:
U4083B-MFPG3Y
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
U4083B-MFPG3Y 19
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
TELEFUNKEN Semiconductors
Rev. A2, 07-Apr-97
Low-Power Audio Amplifier for Telephone Applications
Description
The integrated circuit, U4083B, is a low power audio
amplifier for a telephone loudspeaker. It has differential
speaker outputs to maximize the output swing at low
supply voltages. There is no need for coupler capacitors.
Features
D
D
D
D
D
Block Diagram / Application Circuit
Order Information
Wide operating voltage range: 2 to 16 V
Battery powered application due to low quiescent
supply current: 2.7 mA typical
Chip disable input to power down the integrated
circuit
Low power down quiescent current
Drives a wide range of speaker loads
Input
Extended Type Number
U4083B-AFPG3
U4083B-AFP
0.1 F
C i
93 7781 e
1 F
m
m
3 k
75 k
R i
W
W
C 1
C 2
5 F
m
FC1
FC2
R f
Preliminary Information
V i
2
4
3
50 k
50 k
125 k
Package
SO8
SO8
W
W
W
Figure 1.
The U4083B has an open loop gain of 80 dB whereas the
closed loop gain is adjusted with two external resistors. A
chip disable pin permits powering down and/or muting
the input signal.
D
D
D
Benefits
D
D
+
Output Power, P
Amp.1
Low harmonic distortion (0.5% typical)
Wide range gain adjustable: 0 dB to 46 dB
Low number of external components
Low current consumption
4 k
W
Taped and reeled
+
4 k
W
o
Amp.2
= 250 mW @ R
circuit
Bias
7
Remarks
GND
U4083B
L
= 32
VO1
V
5
1
VO2
8
CD
6
S
W
(speaker)
1 (11)

Related parts for U4083B

U4083B Summary of contents

Page 1

... Extended Type Number U4083B-AFP U4083B-AFPG3 TELEFUNKEN Semiconductors Rev. A2, 07-Apr-97 Preliminary Information The U4083B has an open loop gain whereas the closed loop gain is adjusted with two external resistors. A chip disable pin permits powering down and/or muting the input signal. D Output Power, P ...

Page 2

... They are independent and Voltages at Pins 2 and 3 are supplied from V fore do not change when the U4083B is disabled. Outputs– V (Pin 5) and V (Pin 8) –turn to a high im pedance condition by removing the signal from the speaker. When signals are applied from an external source to the ...

Page 3

... stg T amb SO8 P tot Symbol SO8 R thJA Symbol amb U4083B " 200 mA (figures 8 to Value Unit –1.0 to +18 V –1.0 to (VS +1.0) V –1.0 to (VS +1.0) V " 250 mA +140 C –55 to +150 C –20 to +70 C 440 mW Value Unit 180 K/W Value ...

Page 4

... U4083B Electrical Characteristics T = +25 C, reference point Pin 7, unless otherwise specified amb Parameters Test Conditions / Pins Amplifiers (AC Characteristics) Open gain loop (Amp < 100 Hz) Closed gain loop (Amp 6 1.0 kHz Gain bandwidth product Output power ...

Page 5

... 7797 e 99. 92. 86.00 40 79. 72.67 20 66.00 10 1000 0.1 93 7798 e U4083B Units pA Input 0.1 F Amp 1 Outputs V O2 Amp 2 100 1 10 Figure 3 ...

Page 6

... U4083B 0 0 7799 kHz ) Figure 0 0 kHz ) 93 7800 e Figure ...

Page 7

... Figure 11 kHz Limit L 200 300 Figure 12. U4083B 94 7842 400 94 7843 ...

Page 8

... U4083B 100 600 Derate at higher temperature amb 500 400 300 W 16 200 W 100 7805 e S Figure 14. 8 (11) Preliminary Information kHz ...

Page 9

... Figure 16 s/Div 93 7808 e Figure 17. TELEFUNKEN Semiconductors Rev. A2, 07-Apr-97 Preliminary Information U4083B 1.3 1.2 1.1 1 0.9 0 120 160 93 7809 Figure 18. 2.0 1.6 1 0 120 160 7810 e L Figure 19. 200 = 200 ...

Page 10

... U4083B Package Information Package SO8 Dimensions in mm 5.00 4.85 0.4 1. (11) Preliminary Information 5.2 4.8 3.7 1.4 0.25 3.8 0.10 6.15 3.81 5.85 5 technical drawings according to DIN specifications 5 0.2 13034 TELEFUNKEN Semiconductors Rev. A2, 07-Apr-97 ...

Page 11

... TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone 7131 67 2831, Fax number 7131 67 2423 TELEFUNKEN Semiconductors Rev. A2, 07-Apr-97 Preliminary Information unauthorized use. U4083B 11 (11) ...

Related keywords