Philips TDA8947J Technical data

TDA8947J

4

Rev. 02 — 2005 6 16

1.

TDA8947J TDA8947J 26 dB (SE) 32 dB (BTL) SE26 dB 2.1 BTL 32 dB

TDA8947J 17 Dil-Bent-Sil (DBS) TDA8947J TDA8944AJTDA8946AJ

TDA8947J

2.

■SE 1 W 25 W BTL 4 W 50 W 2.1

■/

■TDA8944AJ TDA8946AJ

3.

■PC

			TDA8947J
			4

1:

VCC					9	18	26	V
					[1] -	-	28	V
Iq		V	CC	= 18 V R = ∞	-	100	145	mA
				L
Istb					-	-	10	µA
Po(SE)	SE	THD = 10 %
		RL = 4 Ω
			VCC = 18 V		7	8.5	-	W
			VCC = 22 V		-	14	-	W
Po(BTL)	BTL	THD = 10 %
		RL = 8 Ω
			VCC = 18 V		16	18	-	W
			VCC = 22 V		-	29	-	W
THD		SE Po = 1 W			-	0.1	0.5	%
		BTL Po = 1 W			-	0.05	0.5	%
Gv(max)		SE			25	26	27	dB
		BTL			31	32	33	dB
SVRR		SE f = 1 kHz			-	60	-	dB
		BTL f = 1 kHz			-	65	-	dB

[1]IC

5.

2:
TDA8947J		DBS17P	DIL-bent-SIL 17	SOT243-1
			12 mm

TDA8947J_ZH_2	© Koninklijke Philips Electronics N.V. 2005

Rev. 02 — 2005 6 16

2 / 24

									TDA8947J
									4
6.
				VCC1		VCC2
				3		16
		IN1+	8					1	OUT1+
				60 kΩ
		IN2+	6					4	OUT2−
				60 kΩ
		IN3+	9					14	OUT3−
				60 kΩ
		IN4+	12					17	OUT4+
				60 kΩ
		CIV	13			SHORT-CIRCUIT
				VCC			AND
						TEMPERATURE
						PROTECTION
		SVR	11	0.5VCC
				Vref
		SGND	7
			10	STANDBY ALL
		MODE1		MUTE ALL
				ON 1 + 2		TDA8947J
		MODE2	5	MUTE 3 + 4
				ON 3	+ 4
						2	15		mdb014
						GND1	GND2
	1.

TDA8947J_ZH_2	© Koninklijke Philips Electronics N.V. 2005

Rev. 02 — 2005 6 16

3 / 24

			TDA8947J
			4

OUT1+	1
GND1
	2
VCC1
	3
OUT2−
	4
MODE2
	5
IN2+
	6
SGND
	7
IN1+
	8
IN3+		TDA8947J
	9
MODE1
	10
SVR
	11
IN4+
	12
CIV
	13
OUT3−
	14
GND2
	15
VCC2
	16
OUT4+
	17

001aac740

2.

3:

	OUT1+	1	1
	GND1	2	1 2
	VCC1	3	1 2
	OUT2−	4	2
	MODE2	5	2 3 4
	IN2+	6	2
	SGND	7
	IN1+	8	1
	IN3+	9	3
	MODE1	10	1
	SVR	11
	IN4+	12	4
	CIV	13
	OUT3−	14	3
	GND2	15	3 4
TDA8947J_ZH_2			© Koninklijke Philips Electronics N.V. 2005

Rev. 02 — 2005 6 16

4 / 24

					TDA8947J
					4
			3:	( )
			VCC2	16	3 4
			OUT4+	17	4
			TAB	-

8.

8.1

1

fi(cut – off) = ----------------------------

2π(Ri × Ci)

SE Ri = 60 kΩ Ci = 220 nF

1

fi(cut – off) = ---------------------------------------------------------------- = 12 Hz

2π(60 × 103 × 220 × 10–9)

BTL Ri = 30 kΩ Ci = 470 nF

1

fi(cut – off) = ---------------------------------------------------------------- = 11 Hz

2π(30 × 103 × 470 × 10–9)

(1)

(2)

(3)

2 3

8.2

BTL / SE NPN 4 A

TDA8947J BTL

TDA8947J_ZH_2	© Koninklijke Philips Electronics N.V. 2005

Rev. 02 — 2005 6 16

5 / 24

Po(ALL)BTL

			TDA8947J
			4

THD = 10 %8

(VCC = 26 V) Io = 4 A

VCC > 22 V 5

•SE RL = 3 Ω

•BTL RL = 6 Ω

CD 12 dB 15.85

(ALL)

•SE Po(SE) = 5 W VCC = 18 V RL = 4 Ω THD = 0.2 %

5 103

Po(ALL)SE = --------------- = 315 mW

15.85

• BTL Po(BTL) = 10 W VCC = 18 V RL = 8 Ω THD = 0.1 %

10 103

= ------------------ = 630 mW

15.85

9 SE BTL 0 dB 12 dB

(4)

(5)

4:
		SE	BTL
0 dB		Po = 5 W	Po = 10 W	PD = 17 W
12 dB		Po(ALL) = 315 mW	Po(ALL) = 630 mW	PD = 9 W

9 W

TDA8947J_ZH_2	© Koninklijke Philips Electronics N.V. 2005

Rev. 02 — 2005 6 16

6 / 24

			TDA8947J
			4

8.3

TDA8947J MODE1 DC

— VMODE1 < 0.8 V MODE1MODE2

— DC4.5 V < VMODE1 < (VCC − 3.5 V)

— VMODE1 > (VCC − 2.0 V) 34

1 2 MODE2 DC / 3 4 3

5:

			1 2	3 4
MODE1	MODE2
0 V 0.8 V	0 V VCC
4.5 V (VCC − 3.5 V)	0	V VCC
(VCC − 2.0 V) VCC	0	V (VCC − 3.5 V)
	(VCC − 2 V) VCC
			channels 1 + 2: on
all standby		all mute	channels 3 + 4: on or mute

0.8

4.5

VCC− 3.5

VCC− 2.0

VCC

VMODE1

	channels 3 + 4: mute		channels 3 + 4: on
		VCC− 3.5	VCC− 2.0	VCC
	mdb016			VMODE2
3.

TDA8947J_ZH_2	© Koninklijke Philips Electronics N.V. 2005

Rev. 02 — 2005 6 16

7 / 24

			TDA8947J
			4
8.4
			(SVRR) SVR 150 F
			20 Hz 22 kHz. 11 SVRR
			SVR
8.5
			TDA8947J
			185 °C 150 °C
			2 ms
			TDA8947J

9.

6:
(IEC 60134)
VCC			−0.3	+26	V
			[1] −0.3	+28	V
VI			−0.3	VCC + 0.3	V
IORM			-	4	A
Tstg			−55	+150	°C
Tamb			−40	+85	°C
Ptot			-	69	W
VCC(sc)			-	24	V

[1]IC

10.

7:
Rth(j-a)			40	K/W
Rth(j-c)			1.3	K/W

TDA8947J_ZH_2	© Koninklijke Philips Electronics N.V. 2005

Rev. 02 — 2005 6 16

8 / 24