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TDA8946J Datasheet(PDF) 19 Page - NXP Semiconductors |
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TDA8946J Datasheet(HTML) 19 Page - NXP Semiconductors |
19 / 23 page Philips Semiconductors TDA8946J 2 x 15 W stereo BTL audio amplifier Product specification Rev. 02 — 14 March 2000 19 of 23 9397 750 06863 © Philips Electronics N.V. 2000. All rights reserved. 18. Revision history Table 11: Revision history Rev Date CPCN Description 02 20000314 - Product specification; second version; supersedes initial version TDA8946J-01 of 14 April 1999 (9397 750 04882). Modifications: • Table 1 on page 1: SVRR; Typ value 65 dB → added • Ordering options removed • Figure 1 on page 2: Block diagram; pin numbers changed OUT2−→ 14 and OUT2+ → 17 • Figure 2 on page 3: Pin configuration; pin numbers changed OUT2−→ 14 and OUT2+ → 17 • Table 3 on page 3: Pin description; pin numbers changed OUT2−→ 14 and OUT2+ → 17 • Section 8 “Functional description”: – Section 8.1 “Input configuration” on page 4 → added. – Section 8.2 “Power amplifier” on page 5: ........, capable of delivering a peak output current of 1.5 A → changed to 2 A. – Section 8.2.1 “Output power measurement” on page 5 → added – Section 8.2.2 “Headroom” on page 5 → added • Section 8.3 “Mode selection”: – Standby mode: VMODE >(VCC − 0.5 V) → changed to (VCC − 0.5 V) < VMODE <VCC; The power consumption of the TDA8946J will be reduced to <0.18 mW → added. – Mute mode: the DC level of the input and output pins remain on half the supply voltage → added; – 2.5 V < VMODE <(VCC − 1.5 V) → changed to 3 V < VMODE <(VCC − 1.5 V) – Section 8.3.1 “Switch-on and switch-off” on page 6 → added • Section 8.4 “Supply Voltage Ripple Rejection (SVRR)” on page 6 → added • Section 8.5 “Built-in protection circuits” on page 6 → added • Table 5 on page 7: – Ptot value added 28 W – VCC(sc) value added 15 V • Table 6 on page 7: – Rth(j-a) value added 40 K/W – Rth(j-c) value 10 k/W → changed to Rth(j-mb) value 4.5 K/W; condition ‘in free air’ → changed to ‘both channels driven’ • Table 7 on page 7: VCC: Max value 18 V changed to → 25 V; VMODE - mute mode - value Min 2.5 → changed to 3 V • Table 8 on page 8: – SVRR; Typ values 65 and 60 dB → added – α cs; Typ value 75 dB → added – Rsource changed to → RS in table and associated table notes; Value added RS =0 Ω; – Table note [2]: .... 100 mV (RMS).... changed to → ... 700 mV (RMS).... • Figure 3 to 13: figures added • Section 13 “Internal circuitry” on page 13: → added • Figure 14: figure modified |
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