Main
1. General description
2. Features
3. Applications
TDA8559T
Rev. 03 15 May 2006 Product data sheets
Low-voltage stereo headphone amplier
4. Quick reference data
5. Ordering information
Product data sheets Rev. 03 15 May 2006 3 of 36
6. Block diagram
Fig 1. Block diagram
7. Pinning information
7.1 Pinning
7.2 Pin description
Philips Semiconductors TDA8559T
8. Functional description
8.1 V/I converters
8.2 Output ampliers
8.3 Buffer
8.4 Dynamic quiescent controller
8.5 Stabilizer
8.6 Input logic
8.7 Reference
9. Internal circuitry
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Philips Semiconductors TDA8559T
10. Limiting values
11. Thermal characteristics 12. Characteristics
= 25
In accordance with the Absolute Maximum Rating System (IEC 60134).
V
13. Application information
= 25
13.1 General
V
= 3 V; T
13.2 Heatsink design
13.3 Test conditions
13.4 Input congurations
Fig 7. Soft mute
Fig 5. Input conguration Fig 6. Input conguration
Fig 3. Input conguration; with input capacitor Fig 4. Input conguration; without input capacitor
VP< 6 V. VP< 6 V.
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Product data sheets Rev. 03 15 May 2006 15 of 36
13.12 Application 7: Line driver application
Fig 8. Application 1; single-ended with loudspeaker capacitor
13.13 Application diagrams
IN1
IN2
Fig 9. Application 2; single-ended to buffer (without loudspeaker capacitor)
IN1
IN2
Fig 10. Application 3; improved single-ended to buffer (without loudspeaker capacitor)
Fig 11. Application 4; BTL mono amplier
VP = 1.9 V to 6 V.
Fig 12. Application 5; line driver application
Product data sheets Rev. 03 15 May 2006 20 of 36
VP = 6 V to 18 V.
Fig 13. Application 6; line driver application
VP = 6 V to 30 V.
Fig 14. Application 7; line driver application
13.14 Printed-circuit board layout
13.15 Response curves for low input mode
Top view component side.
Fig 15. Printed-circuit board layout
(1) High mode. (2) Low mode.
Fig 18. THD as a function of Po (stereo headphone) Fig 19. THD as a function of frequency (stereo
(1) VP = 12 V. (2) VP = 3 V and 6 V. (3) VP = 3 V, 6 V and 12 V.
(1) VP = 3 V. (2) VP = 12 V.
VP = 3 V, Vi = 20 mV. VP = 3 V, Vi = 20 mV.
(stereo headphone)
VP = 3 V, Rs = 0 , Vr = 0.2 V (RMS). (1) RL = 32 , THD = 10 %. (2) RL = 32 , THD = 0.5 %.
(1) RL = 25 . (2) RL = 32 .
f = 1 kHz. (1) VP = 3 V, RL = 25 . (2) VP = 5 V, RL = 25 .
Fig 26. Total worst case power dissipation as a function of supply voltage (SE) (stereo
Fig 27. THD as a function of Po (BTL mono)
Fig 28. THD as a function of frequency (BTL mono) Fig 29. SVRR as a function of frequency (BTL mono)
(1) VP = 3 V, RL = 25 , THD = 70 mW. (2) VP = 5 V, RL = 25 , THD = 150 mW.
VP = 3 V, Rs = 0 , Vr = 0.2 V (RMS).
13.16 Response curves for high input mode
(1) THD = 10 %, RL = 25 . (2) THD = 0.5 %, RL = 25 .
(1) RL = 25 . (2) RL = 32
(1) RL = 32 , THD = 10 %. (2) RL = 32 , THD = 0.5 %.
(1) RL = 25 . (2) RL = 32 .
Fig 34. THD as a function of Po (stereo headphone) Fig 35. THD as a function of frequency (stereo
VP = 10 V, Vi = 20 mV. VP = 10 V, Rs = 0 , Vr = 0.2 V (RMS).
SVRR (dB)
(1) VP = 12 V, RL = 1 k. (2) VP = 18 V, RL = 1 k.
VP = 12 V, Vo = 1 V.
driver)
14. Test information
14.1 Quality information
is applicable.
General Quality Specication for Integrated Circuits, SNW-FQ-611
The
15. Package outline
SO16: plastic small outline package; 16 leads; body width 3.9 mm SOT109-1
Fig 43. Package outline SOT109-1 (SO16)
16. Soldering
16.1 Introduction to soldering surface mount packages
16.2 Reow soldering
16.3 Wave soldering
16.4 Manual soldering
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17. Revision history
18. Legal information
18.1 Data sheet status
18.2 Denitions
18.3 Disclaimers
18.4 Trademarks
20. Contents