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TDA8945S Datasheet, PDF (18/21 Pages) NXP Semiconductors – 15 W mono Bridge Tied Load BTL audio amplifier | |||
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Philips Semiconductors
TDA8945S
15 W mono BTL audio ampliï¬er
18. Revision history
Table 11: Revision history
Rev Date
CPCN Description
02 20000407 -
Product speciï¬cation; second version; supersedes initial version TDA8945S-01 of
14 April 1999 (9397 750 04878). Modiï¬cations:
⢠Table 1 on page 1: SVRR: Typ value 65 dB â added
⢠Ordering options removed
⢠Section 8 âFunctional descriptionâ:
â Section 8.1 âInput conï¬gurationâ on page 4 â added.
â Section 8.2 âPower ampliï¬erâ on page 4: ........, capable of delivering a peak output
current of 1.5 A â changed to 2 A.
â Section 8.2.1 âOutput power measurementâ on page 4 â added
â Section 8.2.2 âHeadroomâ on page 5 â added
⢠Section 8.3 âMode selectionâ:
â Standby mode: VMODE > (VCC â 0.5 V) â changed to (VCC â 0.5 V) < VMODE < VCC; The
power consumption of the TDA8945S will be reduced to <0.18 mW â added.
â Mute mode: the DC level of the input and output pins remain on half the supply
voltage â added;
â 2.5 V < VMODE < (VCC â 1.5 V) â changed to 3 V < VMODE < (VCC â 1.5 V)
â Section 8.3.1 âSwitch-on and switch-offâ on page 5 â added.
⢠Section 8.4 âSupply Voltage Ripple Rejection (SVRR)â on page 6 â added
⢠Section 8.5 âBuilt-in protection circuitsâ on page 6 â added
⢠Table 5 on page 6:
â Ptot value added 14 W
â VCC(sc) value added 18 V
⢠Table 6 on page 6: Rth(j-a) removed; Rth(j-c) value 10 K/W changed to â Rth(j-mb) value 9 K/W
⢠Table 7 on page 7: VMODE â mute mode â value Min 2.5 â changed to 3 V
⢠Table 8 on page 8:
â SVRR; Typ values 65 and 60 dB â added
â Rsource changed to â RS in table and associated table notes
â Table note [2]: .... 100 mV (RMS).... changed to â ... 700 mV (RMS)....
⢠Figure 3 to 12: ï¬gures added
⢠Section 13 âInternal circuitryâ on page 12: â added
⢠Figure 14: ï¬gure modiï¬ed
⢠Section 14.1 âPrinted-circuit board (PCB)â on page 13: â added
⢠Figure 14: ï¬gure added
⢠Section 14.2 âThermal behaviour and heatsink calculationâ on page 15: â added
⢠Section 15 âTest informationâ on page 15: Section 15.1 â updated
⢠Section 15.2 âTest conditionsâ on page 15: â added.
01 19990414 -
Preliminary speciï¬cation; initial version.
9397 750 06866
Product speciï¬cation
Rev. 02 â 7 April 2000
© Philips Electronics N.V. 2000. All rights reserved.
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