Stk402-070.pdf 3e6u17

Ordering number : ENN7047

Thick-Film Hybrid IC

STK402-070 Two-Channel Class AB Audio Power Amplifier IC 40W + 40W

Overview

Package Dimensions

The STK402-000 series products are audio power amplifier hybrid ICs that consist of optimally-designed discrete component power amplifier circuits that have been miniaturized using SANYO's unique insulated metal substrate technology (IMST). SANYO has adopted a new low thermal resistance substrate in these products to reduce the package size by about 60% as compared to the earlier SANYO STK407-000 series.

unit: mm 4189-SIP15 [STK402-070]

Features • Series of pin compatible power amplifiers ranging from 20 W × 2 channels to 120 W × 2 channel (10%/1 kHz) devices. The same printed circuit board can be used depending on the output power grade. • The pin arrangement is compatible with that of the 3channel STK402-200 series. This means that 3-channel printed circuit boards can also be used for 2-channel products. • Miniature packages — 15 W/ch to 40 W/ch (THD = 0.4%, f = 20 Hz to 20 kHz); 46.6 mm × 25.5 mm × 8.5 mm * — 50 W/ch to 80 W/ch (THD = 0.4%, f = 20 Hz to 20 kHz); 59.2 mm × 31.0 mm × 8.5 mm * *: Not including the pins. • Output load impedance: RL = 6 Ω • Allowable load shorted time: 0.3 seconds • s the use of standby, muting, and load shorting protection circuits.

SANYO: SIP15

Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life- systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein.

SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 92801RM (OT) No. 7047-1/6

STK402-070 Series Organization These products are organized as a series based on their output capacity. Type No.

Item

STK402-020

STK402-030

STK402-040

STK402-050

STK402-070

20 W + 20 W

30 W + 30 W 40 W + 40 W

45 W +45 W

60 W + 60 W 80 W + 80 W 100 W + 100 W 120 W + 120 W

Output 2 (0.4%/20 Hz to 20 kHz) 15 W + 15 W

20 W + 20 W 25 W + 25 W

30 W + 30 W

40 W + 40 W 50 W + 50 W

Output 1 (10%/1 kHz)

STK402-090

STK402-100

STK402-120

60 W + 60 W 80 W + 80 W

Maximum supply voltage (No signal)

±30 V

±34 V

±38 V

±40 V

±50 V

±54 V

±57 V

±65 V

Maximum supply voltage (6 Ω)

±28 V

±32 V

±36 V

±38 V

±44 V

±47 V

±50 V

±57 V

Recommended supply voltage (6 Ω)

±19 V

±22 V

±25 V

±26.5 V

±30 V

±32 V

±35 V

±39 V

46.6 mm × 25.5 mm × 8.5 mm

Package

59.2 mm × 31.0 mm × 8.5 mm

Specifications Maximum Ratings at Ta = 25°C Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage (No signal)

VCC max(0)

±50

Maximum supply voltage

VCC max(1) RL = 6 Ω

±44

V

3.2

°C/W

θj-c

Thermal resistance Junction temperature

Tj max

Operating IC substrate temperature

Tc max

Storage temperature

Per power transistor

ts

150

°C

125

°C

–30 to +125

°C

Both the Tj max and the Tc max conditions must be met.

Tstg

Allowable load shorted time

V

VCC = ±30.0 V, RL = 6 Ω, f = 50 Hz, PO = 40 W

0.3

s

Operating Characteristics at Ta = 25°C, RL = 6 Ω (noninductive load), Rg = 600 Ω, VG = 30 dB Parameter Output power (continuous output)

Symbol

Conditions*1 VCC (V)

f (Hz)

PO (1)

±30.0

20 to 20 k

0.4

PO (2)

±30.0

1k

10

PO (W)

Ratings

THD (%)

min 38

typ

max 40

Unit

W

60

THD (1)

±30.0

20 to 20 k

1.0

VG = 30 dB

THD (2)

±30.0

1k

5.0

VG = 30 dB

fL, fH

±30.0

1.0

+0 –3 dB

ri

±30.0

Output noise voltage *2

VNO

±36.0

1.2

mVrms

Quiescent current

ICCO

±36.0

10

40

80

mA

VN

±36.0

–70

0

+70

mV

Total harmonic distortion Frequency characteristics Input impedance

Neutral voltage

1k

0.4 0.01

1.0

%

20 to 50 k

Hz

55

kΩ

Rg = 2.2 kΩ

Notes: 1. Unless otherwise noted, use a constant-voltage supply for the power supply used during inspection. 2. The output noise voltage values shown are peak values read with a VTVM. However, an AC stabilized (50 Hz) power supply should be used to minimize the influence of AC primary side flicker noise on the reading. Use the transformer power supply circuit stipulated in the figure below for output noise voltage measurement. 3. Use the transformer power supply circuit stipulated in the figure below for allowable load shorted time measurement. DBA40C

10000µF +VCC 500Ω

500Ω --VCC 10000µF

Stipulated Transformer Power Supply (MG-200 equivalent)

No. 7047-2/6

STK402-070 Internal Equivalent Circuit 8 4 TR7

TR9

R1

R13 TR4

TR11 R6

C1

TR5

R3 1

TR1

R8

C2

TR12

R11

TR2

TR14 R4

2

TR8

R12

TR10

R5

R10 TR6

TR3 D1

R2

TR15

TR13

R7

TR16

R9

R14

9

13 SUB

5

12

7

6

10

11

14

15

Sample Application Circuit

Ch.1

6

1kΩ

7

8

9

Ch.2 +VE 10

SUB Ch.2 Pre SUB Ch.2 Ch.2 -VE -VCC GND NF IN 11 12 13 14 15

0.22Ω

5

Ch.1 -VE +VCC -VCC

0.22Ω

4

Ch.1 +VE

0.22Ω

2

Pre +VCC BIAS

10kΩ

1

Ch.1 NF

0.22Ω

Ch.1 IN

Ch.2

2.2µF 220pF

220pF 2.2µF

100Ω

470pF

56kΩ 3µH

4.7Ω

4.7Ω

Ch.2 OUT

4.7Ω

3µH

0.1µF

100Ω

33µF

56kΩ

1.8kΩ

56kΩ

100µF

3pF

10µF

3pF

10µF

100µF

1.8kΩ

56kΩ 33µF

4.7Ω 0.1µF

Ch.1 OUT

1kΩ Ch.2 IN

470pF

Ch.1 IN

+VCC

-VCC

No. 7047-3/6

STK402-070 Thermal Design Example The thermal resistance, θc-a of the required heat sink for the power dissipation, Pd, within the hybrid IC is determined as follows. Condition 1: The IC substrate temperature, Tc, must not exceed 125°C. Pd × θc – a + Ta < 125°C . . . . . . . . . (1) Ta: Guaranteed ambient temperature for the end product. Condition 2: The junction temperature, Tj, of each power transistor must not exceed 150°C. Pd × θc – a + Pd/N × θj – c + Ta < 150°C . . . . . . . . . (2) N: Number of power transistors θc-a: Thermal resistance per power transistor However, the power dissipation, Pd, for the power transistors shall be allocated equally among the N transistors. The following inequalities results from solving equations (1) and (2) for θc-a. θc – a < (125 – Ta) /Pd . . . . . . . . . . . . . . . . . . (1)’ θc – a < (150 – Ta) /Pd – θj – c/N . . . . . . . . . (2)’ Values that satisfy these two inequalities at the same time represent the required heat sink thermal resistance. When the following specifications have been stipulated, the required heat sink thermal resistance can be determined from formulas (1)’ and (2)’. • Supply voltage — VCC • Load resistance value — RL • Guaranteed ambient temperature — Ta [Example] When the IC supply voltage, VCC, is ±30 V and RL is 6 Ω, the IC internal power dissipation, Pd, will be a maximum of 63 W for a continuous sine wave signal at 1 kHz, according to the Pd – PO characteristics. For the music signals normally handled by audio amplifiers, a value of 1/8 PO max is generally used for Pd as an estimate of the power dissipation based on this type of continuous signal. (Note that the factor used may differ depending on the safety standards used.) That is: Pd = 42 W (When 1/8 PO max = 5 W) The number of power transistors in the audio amplifier block of these hybrid ICs, N, is 4, and the thermal resistance per transistor is 3.2°C/W. Therefore, the required heat sink thermal resistance for a guaranteed ambient temperature of 50°C will be as follows. From formula (1)’

θc – a < (125 – 50) /42 < 1.78

From formula (2)’

θc – a < (150 – 50) /42 – 3.2/4 < 1.58

Therefore, 1.58°C/W is the required heat sink thermal resistance. Note that this thermal design example assumes the use of a constant-voltage power supply, and is therefore not a verified design for any particular 's end product.

No. 7047-4/6

STK402-070 Pd — PO

70 60 50

VCC=±30V RL=6Ω f=1kHz VG=30dB Rg=600Ω 2ch drive (same output rating)

Total harmonic distortion, THD — %

Total device power dissipation, Pd — W

80

40 30 20 10 0 0.1

2

3

5 7 1.0

2

3

5 7 10

2

3

Output power per channel, PO / ch — W

1.2

0.8 0.6 0.4 0.2

2

3

5 7 1.0

2

3

5 7 10

2

3

Output power per channel, PO / ch — W

Output power, PO — W

2

3

5 7 1.0

2

3

z

20H

5 7 10

2

Output power, PO — W PO — f

3

5 7 100 ITF02133

Tc=25°C VG=30dB Rg=600Ω

RL=6Ω, VCC=±30V, THD=10%

60 50

RL=6Ω, VCC=±30V, THD=0.4%

40 30 20

5 7 100 ITF02134

0 10

2 3

5 7 100

2 3

5 7 1k

2 3

Frequency, f — Hz

5 7 10k

2 3

5 7100k ITF02135

PO — VCC

100

70

z

1kH

10

0 0.1

80

20kH

0.01 7 5 3 2

70

1.0

90

0.1 7 5 3 2

80

RL=6Ω f=1kHz Rg=600Ω 1ch drive

Output power, PO — W

Total current consumption, ICCO / ch — A

1.4

1.0 7 5 3 2

THD — PO Tc=25°C VCC=±30V VG=30dB RL=6Ω Rg=600Ω

0.001 0.1

5 7 100 ITF02132

ICCO — PO

1.6

10 7 5 3 2

Tc=25°C f=1kHz VG=30dB RL=6Ω Rg=600Ω 2ch drive

0%

60

=1

50

D TH

40

TH

%

0.4

D=

30 20 10 0 16

18

20

22

24

26

28

30

Supply voltage, VCC — V

32

34

36

ITF02136

No. 7047-5/6

STK402-070

Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer’s products or equipment. To symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer’s products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When deg equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When deg equipment, refer to the “Delivery Specification” for the SANYO product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of September, 2001. Specifications and information herein are subject to change without notice. PS No. 7047-6/6