SA58632 Datasheet, PDF (8/26 Pages) NXP Semiconductors – 2 x 2.2 W BTL audio amplifier

Philips Semiconductors
SA58632
2 × 2.2 W BTL audio amplifier
13. Application information
13.1 BTL application
T_amb = 25 °C, V_CC = 9 V, f = 1 kHz, R_L = 8 Ω, G_v = 20 dB, audio band-pass 22 Hz to
22 kHz. The BTL diagram is shown in Figure 3.
1 µF _R1
10 kΩ
R2
50 kΩ
VIL
C3
47 µF
INL− ₁₅
INL+ ₁₄
1 µF _R3
10 kΩ
VIR
OUTR−
R4
50 kΩ
INR− ₁₂
INR+ ₁₃
SVR ₃
MODE ₂
BTL/SE ₄
17 10
SA58632
20 7
100 nF
OUTL−
16
RL
1 ^OUTL+
OUTR−
11
RL
6 ^OUTR+
GND
V_CC
100 µF
002aac080
Gain left = 2 × -^RR----²¹-
Gain right = 2 × -^RR----⁴³-
Pins 8, 9, 18 and 19 connected to ground.
Fig 3. Application diagram of SA58632 BTL differential output configuration
SA58632_1
Product data sheet
Rev. 01 — 27 June 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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