Refer to the test circuit, VS = ± 23 V; RL = 8 Ω; Rs = 50 Ω; GV = 30 dB; f = 1 kHz;
Tamb = 25 °C, unless otherwise specified.
Table 4.Electrical characteristcs
SymbolParameterTest conditionMin. Typ.Max.Unit
V
Supply range±8±33V
S
Total quiescent current50130mA
I
q
V
I
Peak
THDTotal harmonic distortionR
Input offset voltage–20+20mV
OS
I
Non-inverting input bias current500nA
b
P
O
Output power
THD = 10%; R
THD = 1%; R
= 8 Ω30W
L
= 8 Ω25W
L
Output peak current(Internally limited)3.64A
= 8 Ω, Po = 1 W0.02%
L
Crosstalkf = 1 kHz70dB
C
T
SRSlew rate11V/ms
GolOpen-loop voltage gain80dB
Total input noiseF = 20 Hz – 22 kHz4µV
e
N
RiInput resistance20kΩ
6/18Doc ID 022601 Rev 1
TDA7265BElectrical specifications
Table 4.Electrical characteristcs (continued)
SymbolParameterTest conditionMin. Typ.Max.Unit
SVRSupply voltage rejection75dB
TjThermal shutdown145°C
Mute function { ref.: +Vs }
VTmute Mute / play threshold-7-6-5V
AmMute attenuation75dB
Standby function { ref.: +Vs }
VTst-by Standby / mute threshold-3.5-2.5-1.5V
Ast-byStandby attenuation110dB
I
Quiescent current at standby8mA
q
Doc ID 022601 Rev 17/18
Typical operating characteristicsTDA7265B
k
k
3 Typical operating characteristics
Figure 3.Quiescent current vs. supply
Iq (mA)
Iq (mA)
55
55
55
55
50
50
50
50
45
45
45
45
40
40
40
40
35
35
35
35
30
30
30
30
Figure 5.THD vs. output powerFigure 6.Output power vs. supply voltage
THD (%)
10
5
2
1
0.5
voltage
Iq+
Iq+
Iq+
Iq-
Iq-
Iq-
8 10 12 14 16 18 20 22 24 26 2830 32 34
8 10 12 14 16 18 20 22 24 26 2830 32 34
8 10 12 14 16 18 20 22 24 26 2830 32 34
8 10 12 14 16 18 20 22 24 26 2830 32 34
Vs (+/-V)
Vs (+/-V)
Vs (+/-V)
Vs= +/-23V
Rl= 8 Ohm
Figure 4.Frequency response
Ampl (dB)
Ampl (dB)
+5
+5
+4
+4
Vs=+/-23V
Vs=+/-23V
+3
+3
Rl= 8 Ohm
Rl = 8 Ohm
0dB = 1W
0dB = 1W
+2
+2
+1
+1
+0
+0
-1
-1
-2
-2
-3
-3
-4
-4
-5
-5
2050 100 200 500 1k 2k5k 10k 20k 50k
2050 100 200 500 1k 2k5k 10k 20k 50k
10200
10200
Freq(Hz)
Freq(Hz)
Pout(W)
50
45
40
35
30
Rl = 8 Ohm
f = 1Kz
THD=10%
25
0.2
0.1
0.05
f = 1KHz
0.02
0.01
100m40200m500m1251020
f = 15KHz
Pout (W)
20
15
10
THD=1%
5
0
1012142628202224262830
Vs (+/-V)
8/18Doc ID 022601 Rev 1
TDA7265BTypical operating characteristics
Figure 7.Quiescent current vs. pin 5 voltage Figure 8.Attenuation vs. pin 5 voltage
Attenuation (dB)
Iq (mA)
100
90
80
70
Vs=+/-20V
60
Rl=8Ohm
50
0V = +Vs
Vi = 0
40
30
20
10
0
-10-9-8-7-6-5-4-3-2-10
Vpin # 5 (V)
Figure 9.Crosstalk vs. frequencyFigure 10. Power dissipation vs. output power
Crosstalk (dB)
Crosstalk (dB)
-30
-30
-35
-35
Vs=+/-26V
Vs=+/- 26V
-40
-40
Rl= 8 Ohm
Rl = 8 Ohm
-45
-45
Rs=50 Ohm
Rs=50 Ohm
-50
-50
-55
-55
-60
-60
-65
-65
-70
-70
LefttoRight
-75
-75
-80
-80
2020k501002005001k2k5k10k
2020k501002005001k2k5k10k
Left to Right
Frequency (Hz)
Frequency (Hz)
Rightto
Right to
Left
Left
Attenuation (dB)
+10
+10
+0
+0
-10
-10
-20
-20
Vs=+/-20V
Vs=+/-20V
-30
-30
Rl=8 Ohm
Rl= 8 Ohm
-40
-40
f =1KHz
f =1KHz
-50
-50
OdB= 1V
OdB = 1V
-60
-60
0V = +Vs
0V = +Vs
-70
-70
-80
-80
-90
-90
-100
-100
-10-0-9-8-7-6-5-4-3-2-1
-10-0-9-8-7-6-5-4-3-2-1
Vpin #5 (V)
Vpin #5 (V)
Pdiss (W)
40
Rl =8 Ohm
35
f = 1KHz
Vs=+/-24V (A)
30
Vs=+/-20V (B)
25
20
15
A
B
10
5
0
0.1110100
2xPout (W)
Doc ID 022601 Rev 19/18
Mute standby functionTDA7265B
4 Mute standby function
Pin 5 (MUTE/St-By) controls the amplifier status using two different thresholds with
reference to +V
●when V
the final stage generators are off
●when V
switched on and the amplifier is in mute mode
●when V
Figure 11. Mute/standby thresholds on pin 5
:
S
is greater than or equal to +VS - 2.5 V, the amplifier is in standby mode and
pin5
is between +VS - 2.5V and +VS 6 V, the final stage current generators are
pin5
is less than +VS - 6 V, the amplifier is in play mode.
pin5
+V
S
(V)
26
t
-V
S
-26
V
IN
(mV)
Vpin5
(V)
V
S
VS-2.5
V
S-
V
-10
S
I
q
(mA)
0
VOUT
(V)
6
OFF
STDBY
MUTE
PLAYSTDBYPLAYOFF
D04AU1570
MUTE
MUTE
MUTE
STDBY
10/18Doc ID 022601 Rev 1
TDA7265BApplications
5 Applications
5.1 Stereo configuration circuit and PCB layout
Figure 12. Test and application circuit (stereo configuration)
+V
S
R2
SW1
ST-BY
R1
DZ
SW2
MUTE
R4
C3
Q1
R3
C1
C2
D94AU087B
MUTE/
ST-BY
IN (L)
GND
IN (R)
Figure 13. Soldering side (bottom)
5
7
9
11
+V
S
3
4+
-
8
10
-
+
1
C7
2
6
-V
S
C6
C4
OUT (L)
R5
IN- (L)
R6
IN- (R)
R8
OUT (R)
R10
C9
R9
C5
R7
C8
RL (L)
RL (R)
Doc ID 022601 Rev 111/18
ApplicationsTDA7265B
Figure 14. Component side (top)
Figure 15. Components
12/18Doc ID 022601 Rev 1
TDA7265BApplications
5.2 Application suggestions for stereo configuration
The recommended values of the external components are those shown in the application
circuit ofFigure 12. If different values are used, the following table can be helpful.
Table 5.Recommended values of the external components in the TDA7265B demonstration
board schematic
Component
Recomm.
value
Purpose
R110 kΩMute circuitIncrease of Dz biasing current
R215 kΩMute circuitV
R318 kΩMute circuitV
R415 kΩMute circuitV
R5, R818 kΩ
R6, R9560 ΩDecrease of gain
Closed-loop gain setting
Increase of gain
(1)
R7, R104.7 ΩFrequency stabilityDanger of oscillationsDanger of oscillations
C1, C21 µFInput DC decouplingHigher low-frequency cutoff
C31 µFSt-By/Mute time constantLarger on/off timeSmaller on/off time
C4, C61000 µF Supply voltage bypassDanger of oscillations
C5, C70.1 µFSupply voltage bypassDanger of oscillations
C8, C90.1 µFFrequency stability
Dz5.1 VMute circuit
Q1BC107Mute circuit
1. Closed-loop gain has to be ≥ 29 dB
Larger than
recommended value
# 5 shifted downwardV
pin
# 5 shifted upwardV
pin
# 5 shifted upwardV
pin
Smaller than
recommended value
# 5 shifted upward
pin
# 5 shifted downward
pin
# 5 shifted downward
pin
Table 6.Mute, standby truth table
SW1SW2
BAStandby
BBStandby
AA Mute
ABPlay
Doc ID 022601 Rev 113/18
ApplicationsTDA7265B
5.3 Single supply circuit configuration and PCB layout
Figure 16. Typical application circuit in single supply
+V
D1 5.1V
S
Q1
BS107
R2
15K
R3
15K
C3 1μF
C4 1μF
MUTE
IN (L)
IN (R)
5
7
9
11
10KC11μF
0
MUTE
R1
PLAY
5V
C2
100μF
Figure 17. Soldering side (bottom)
C5
OUT (L)
IN- (L)
IN- (R)
OUT (R)
1000μF
R4
30K
R5
1K
R6
30K
R7
1K
3
+
-
+
-
1
4
8
2
10
6
GND
C6
0.1μF
C9 470μF
R8
4.7Ω
C7
0.1μF
C10 470μF
R9
4.7Ω
C8
0.1μF
D96AU444A
OUT
(L)
OUT
(R)
14/18Doc ID 022601 Rev 1
TDA7265BApplications
Figure 18. Component side (top)
Figure 19. Components
Doc ID 022601 Rev 115/18
Package mechanical dataTDA7265B
6 Package mechanical data
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
®
packages, depending on their level of environmental compliance. ECOPACK®
®
is an ST trademark.
Figure 20. Multiwatt 11 (vertical) mechanical data & package dimensions
DIM.
A50.197
B2.650.1 04
C1.60.063
D10.039
E0.490.55 0.0190.022
F0.880.95 0.0350.037
G1.451.71.95 0.057 0.067 0.077
G116.751717.25 0.659 0.669 0.679
H119.60.772
H220.20.795
L21.922.222.5 0.862 0.874 0.8 86
L121.7 22.122.5 0.854 0.87 0.886
L217.418.1 0.6850.713
L317.25 17.5 17.75 0.679 0.689 0.699
L410.3 10.710.9 0.406 0.421 0.429
L72.652.90.1040.1 14
M4.254.55 4.85 0.167 0.179 0.191
M14.73 5.08 5.43 0.186 0.200 0.214
S1.92.6 0.0750.102
S11.92.6 0.0750.102
Dia1 3.653.85 0.1440.152
mminch
MIN. TYP. MAX. MIN. TYP. MAX.
OUTLINE AND
MECHANICAL DATA
Multiwatt11 (Vertical)
16/18Doc ID 022601 Rev 1
0016035 H
TDA7265BRevision history
7 Revision history
Table 7.Document revision history
DateRevisionChanges
19-Dec-20111Initial release.
Doc ID 022601 Rev 117/18
TDA7265B
Please Read Carefully:
Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the
right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any
time, without notice.
All ST products are sold pursuant to ST’s terms and conditions of sale.
Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no
liability whatsoever relating to the choice, selection or use of the ST products and services described herein.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this
document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products
or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such
third party products or services or any intellectual property contained therein.
UNLESS OTHERWISE SET FORTH IN ST’S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED
WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS
OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.
UNLESS EXPRESSLY APPROVED IN WRITING BY TWO AUTHORIZED ST REPRESENTATIVES, ST PRODUCTS ARE NOT
RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING
APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY,
DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE
GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER’S OWN RISK.
Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void
any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any
liability of ST.
ST and the ST logo are trademarks or registered trademarks of ST in various countries.
Information in this document supersedes and replaces all information previously supplied.
The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners.