TDA1905 STMicroelectronics, TDA1905 Datasheet

IC AMP AUDIO 5.5W MONO AB 16DIP

TDA1905

Manufacturer Part Number
TDA1905
Description
IC AMP AUDIO 5.5W MONO AB 16DIP
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet

Specifications of TDA1905

Output Type
1-Channel (Mono)
Max Output Power X Channels @ Load
5.5W x 1 @ 8 Ohm
Voltage - Supply
4 V ~ 30 V
Features
Depop, Mute, Thermal Protection
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Amplifier Class
AB
No. Of Channels
1
Output Power
5W
Supply Voltage Range
4V To 30V
Thd + N
0.1% @ 1.5W, 4ohm, VS=9V
Load Impedance
4ohm
Operating Temperature Range
-40°C To +150°C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2160-5

Available stocks

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Quantity
Price
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ABSOLUTE MAXIMUM RATINGS
APPLICATION CIRCUIT
DESCRIPTION
The TDA1905 is a monolithic integrated circuit in
POWERDIP package, intended for use as low fre-
quency power amplifier in a wide range of applica-
tions in radio and TV sets:
– muting facility
– protection against chip over temperature
– very low noise
– high supply voltage rejection
– low "switch-on" noise
– voltage range 4V to 30V
The TDA 1905 is assembled in a new plastic pack-
age, the POWERDIP , that offers the same assembly
ease, space and cost saving of a normal dual in-line
package but with a power dissipation of up to 6W and
a thermal resistance of 15 C/W (junction to pins).
September 2003
Symbol
T
stg
V
P
V
V
V
I
I
o
o
11
tot
s
, T
i
i
j
®
Supply voltage
Output peak current (non repetitive)
Output peak current (repetitive)
Input voltage
Differential input voltage
Muting thresold voltage
Power dissipation at T
Storage and junction temperature
T
amb
case
= 80 C
= 60 C
Parameter
5W AUDIO AMPLIFIER WITH MUTING
ORDERING NUMBER : TDA 1905
Powerdip
(8 + 8)
-40 to 150
0 to + V
Value
TDA1905
2.5
30
V
3
1
6
7
s
s
Unit
W
W
V
A
A
V
V
V
C
1/14

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TDA1905 Summary of contents

Page 1

... DESCRIPTION The TDA1905 is a monolithic integrated circuit in POWERDIP package, intended for use as low fre- quency power amplifier in a wide range of applica- tions in radio and TV sets: – muting facility – protection against chip over temperature – very low noise – high supply voltage rejection – ...

Page 2

... TDA1905 PIN CONNECTION BOOTSTRAP THRESHOLD INVERT. IN NON INVERT. IN SCHEMATIC DIAGRAM THERMAL DATA Symbol R Thermal resistance junction-pins th-j-case R Thermal resistance junction-ambient th-j-amb 2/14 OUTPUT MUTING 5 6 SVR 7 8 D95AU320 Parameter 16 GND 15 GND 14 GND 13 GND 12 GND 11 GND 10 GND 9 GND Value max 15 max 70 Unit ...

Page 3

... TEST CIRCUITS: WITHOUT MUTING WITH MUTING FUNCTION TDA1905 3/14 ...

Page 4

... TDA1905 ELECTRICAL CHARACTERISTICS (Refer to the test circuit, T unless otherwisw specified) Symbol Parameter V Supply voltage s V Quiescent output voltage o I Quiescent drain current d V Output stage saturation CE sat voltage P Output power o d Harmonic distortion V Input sensitivity i V Input saturation i voltage (rms) R Input resistance (pin 8) ...

Page 5

... R = 10K 14V R = 10K 5. 10K 18V 100 10K ripple V = 0.5V ripple rms P = 2.5W tot Muting off Muting 10K g 1 TDA1905 Min. Typ. Max. Unit 40 to 40,000 39.5 40 40.5 dB 1.2 1.3 V 1.5 4.0 2.0 2.0 V 2.2 6 115 C 1.9 4 1 200 150 K 50 ...

Page 6

... TDA1905 Figure 1. Quiescent output voltage vs. supply voltage Fi gure 4. Distor tion vs. output power ( gure 7. Distor tion vs. frequency ( 6/14 Figure 2. Quiescent drain current vs. supply voltage Fi gure 5. Distor tion vs. output power ( gure 8. Distor tion vs. frequency ( Figure 3. Output power vs. supply voltage Fig ure 6. Distortion vs. ...

Page 7

... Figure 11. Output power vs. input voltage Figure 14. Supply voltage re- ection vs. source resistance Figure 17. Power dissipa- tion and efficiency vs. output power TDA1905 Figure 12. Value of capaci- tor Cx vs. bandwidth (BW) and gain (Gv) Figure 15. Max power dissi- pation vs. supply voltage (sine wave operation) Figure 18. Power dissipa- tion and efficiency vs ...

Page 8

... TDA1905 APPLICATION INFORMATION Figure 19. Application circuit without muting Figure 21. Application circuit with muting 8/14 Figure 20. PC board and components lay-out of the circuit of fig scale) Figure 22. Delayed muting circuit ...

Page 9

... Figure 23. Low-cost application circuit without bootstrap. Figure 25. Two position DC tone control using change of pin 5 resistance (muting function) Figure 27. Bass Bomb tone control using change of pin 5 resistance (muting function) TDA1905 Figure 24. Output power vs. supply voltage (circuit of fig. 23) Figure 26. Frequency re- sponse of the circuit of fig. 25 Figure 28 ...

Page 10

... TDA1905 MUTING FUNCTION The output signal can be inhibited applying a DC voltage V Figure 29 The input resistance at pin 5 depends on the threshold voltage 200 Referring to the following input stage, the possible attenuation of the input signal and therefore of the output Considering the attenuation in the g muting-on condition is typically A muting-off condition, the attenuation is very low, typically 1 ...

Page 11

... Increase of the switch- Higher low frequency on noise. cutoff. Danger of oscillations. Increase of SVR Degradation of SVR increase of the switch-on time Increase of the distortion at low frequency. Danger of oscillation. Higher low frequency cutoff. TDA1905 Allowed range Min. Max 330 10K 100K 0.1 F 2.2 F 100 100 F 11/14 ...

Page 12

... TDA1905 THERMAL SHUT-DOWN The presence of a thermal limiting circuit offers the following advantages overload on the output (even permanent above limit ambient temperature can be easily tolerated since the Tj cannot be higher than 150 C. 2) The heatsink can have a smaller factor of safety compared with that of a conventional circuit. There is no possibility of device damage due to high junction temperature ...

Page 13

... TYP. MAX. MIN. a1 0.51 0.020 B 0.85 1.40 0.033 b 0.50 b1 0.38 0.50 0.015 D 20.0 E 8.80 e 2.54 e3 17.78 F 7.10 I 5.10 L 3.30 Z 1.27 inch MECHANICAL DATA TYP. MAX. 0.055 0.020 0.020 0.787 0.346 0.100 0.700 0.280 0.201 0.130 0.050 TDA1905 OUTLINE AND Powerdip 16 13/14 ...

Page 14

... TDA1905 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...

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