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Ordering number:ENN5248

Thick Film Hybrid IC

STK401-220
2ch AF Power Amplifier (Split Power Supply) (15W + 15W min, THD = 0.08%)
Overview
The STK401-220 is a 2-channel audio power amplifier IC that supports 6/3 output load impedances. It is fully pin compatible with the 3-channel output devices (STK400×00 series) and 2-channel output devices (STK401-×00 series). In addition, it supports 6/3 output load impedance.

Package Dimensions
unit:mm 4134
[STK401-220]
64.0 55.6 8.5

Features
· Pin compatible with the 3-channel output devices (STK400-×00 series) and 2-channel output devices (STK401-×00 series) · Output load impedance RL=6/3 supported · Pin configuration grouped into individual blocks of inputs, outputs and supply lines to minimize the adverse effects of pattern layout on operating characteristics. · Few external components
3.6

18.7

36.5

23.5

2.9
1

16

4.0

(8.75)

2.54 0.5 15×2.54=38.1

0.4 5.5

SANYO : SIP16

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-support 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
93099TH (KT)/D1295HA (ID) No.5248­1/7

STK401-220 Specifications
Maximum Ratings at Ta = 25°C
Parameter Maximum supply voltage Thermal resistance Junction temperature Operating substrate temperature Storage temperature Available time for load short-circuit Symbol VCC max j-c Tj Tc Tstg ts VCC=±20V, RL=6, f=50Hz, PO=15W Per power transistor Conditions Ratings ±29 2.1 150 125 ­30 to +125 1 Unit V

°C/W °C °C °C
s

Operating Characteristics at Ta = 25°C, RL=6 (noninductive load), Rg=600, VG=40dB
Parameter Symbol PO1 Output power PO2 Total harmonic distortion Frequency response Input impedance Output noise voltage Quiescent current Neutral voltage THD1 THD2 fL, fH ri VNO ICCO VN Conditions VCC=±20V, f=20Hz to 20kHz, THD=0.08% VCC=±16V, f=1kHz, THD=0.2%, RL=3 VCC=±20V, f=20Hz to 20kHz, PO=1.0W VCC=±20V, f=1kHz, PO=5.0W Ratings min 15 15 typ 20 20 0.08 0.007 20 to 50k 55 20 ­70 60 0 100 +70 max Unit W W % % Hz k 1.2 mVrms mA mV

+0 VCC=±20V, PO=1.0W, ­3 dB VCC=±20V, f=1kHz, PO=1.0W

VCC=±24V, Rg=10k VCC=±24V VCC=±24V

Note. All tests are measured using a constant-voltage supply unless otherwise specified. Available time for load short-circuit and output noise voltage are measured using the transformer supply specified below. The output noise voltage is the peak value of an average-reading meter with an rms value scale (VTVM). A regulated AC supply (50Hz) should be used to eliminate the effects of AC primary line flicker noise. Specified Transformer Supply (RP-22 or Equivalent)

No.5248­2/7

STK401-220
Equivalent Circuit

Sample Application Circuit

No.5248­3/7

STK401-220 Series Configuration
These devices form a series of pin-compatible devices with different number of output channels, output ratings and total harmonic distortion. Some of these devices are under development. Contact your Sanyo sales representative if you require more detailed information.
STK400-000, STK400-200 series (3-channel, same output rating) Type No. STK400-010 STK400-020 STK400-030 STK400-040 STK400-050 STK400-060 STK400-070 STK400-080 STK400-090 STK400-100 STK400-110 0.4 THD [%] Type No. STK400-210 STK400-220 STK400-230 STK400-240 STK400-250 STK400-260 STK400-270 STK400-280 STK400-290 STK400-300 STK400-310 0.08 THD [%] Rated output 10W× 3 15W× 3 20W× 3 25W× 3 30W× 3 35W× 3 40W× 3 45W× 3 50W× 3 60W× 3 70W× 3 STK401-000, STK401-200 series (2-channel) Type No. STK401-010 STK401-020 STK401-030 STK401-040 STK401-050 STK401-060 STK401-070 STK401-080 STK401-090 STK401-100 STK401-110 STK401-120 STK401-130 STK401-140 0.4 THD [%] Type No. STK401-210 STK401-220 STK401-230 STK401-240 STK401-250 STK401-260 STK401-270 STK401-280 STK401-290 STK401-300 STK401-310 STK401-320 STK401-330 STK401-340 0.08 THD [%] Rated output 10W× 2 15W× 2 20W× 2 25W× 2 30W× 2 35W× 2 40W× 2 45W× 2 50W× 2 60W× 2 70W× 2 80W× 2 100W× 2 120W× 2 Supply voltage [V]1 VCC max1 VCC max2 ±56.0 ±61.0 ±65.0 ±74.0 ±26.0 ±29.0 ±34.0 ±36.0 ±39.0 ±41.0 ±44.0 ±45.0 ±47.0 ±51.0 VCC1 ±17.5 ±20.0 ±23.0 ±25.0 ±26.0 ±28.0 ±30.0 ±31.0 ±32.0 ±35.0 ±38.0 ±42.0 ±45.0 ±51.0 VCC2 ±14.0 ±16.0 ±19.0 ±21.0 ±22.0 ±23.0 ±24.0 ±25.0 ±26.0 ±27.0 -

STK400-400, STK400-600 series (3-channel, different output ratings) Type No. STK400-450 STK400-460 STK400-470 STK400-480 STK400-490 STK400-500 STK400-510 STK400-520 STK400-530 0.4 THD [%] Type No. STK400-650 STK400-660 STK400-670 STK400-680 STK400-690 STK400-700 STK400-710 STK400-720 STK400-730 0.08 THD [%] Cch Lch, Rch Cch Lch, Rch Cch Lch, Rch Cch Lch, Rch Cch Lch, Rch Cch Lch, Rch Cch Lch, Rch Cch Lch, Rch Cch Lch, Rch Rated output 30W 15W 35W 15W 40W 20W 45W 20W 50W 25W 60W 30W 70W 35W 80W 40W 100W 50W

Supply voltage [V]1 VCC max1 VCC max2 ±56.0 ±61.0 ±65.0 ±39.0 ±29.0 ±41.0 ±29.0 ±44.0 ±34.0 ±45.0 ±34.0 ±47.0 ±36.0 ±51.0 ±39.0 ±41.0 ±44.0 ±47.0 VCC1 ±26.0 ±20.0 ±28.0 ±20.0 ±30.0 ±23.0 ±31.0 ±23.0 ±32.0 ±25.0 ±35.0 ±26.0 ±38.0 ±28.0 ±42.0 ±30.0 ±45.0 ±32.0 VCC2 ±22.0 ±16.0 ±23.0 ±16.0 ±24.0 ±19.0 ±25.0 ±19.0 ±26.0 ±21.0 ±27.0 ±22.0 ±23.0 ±24.0 ±26.0

1. VCC max1 (RL=6), VCC max2 (RL=3 to 6), VCC1 (RL=6), VCC2 (RL=3)

No.5248­4/7

STK401-220
Heatsink Design Considerations The heatsink thermal resistance, c-a, required to dissipate the STK401-220 device total power dissipation, Pd, is determined as follows : Condition 1: IC substrate temperature not to exceed 125°C. Pd×c-a+Ta<125°C ............................................ (1) Where Ta is the guaranteed maximum ambient temperature. Condition 2: Power transistor junction temperature, Tj, not to exceed 150°C. Pd×c-a+Pd/N×j-c+Ta<150°C ......................... (2) where N is the number of power transistors and j-c is the power transistor thermal resistance per transistor. Note that the power dissipated per transistor is the total, Pd, divided evenly among the N power transistors. Expressions (1) and (2) can be rewritten making c-a the subject. c-a< (125­Ta)/Pd ............................................ (1)' c-a< (150­Ta)/Pd­j-c/N ................................ (2)' The heatsink required must have a thermal resistance that simultaneously satisfies both expressions. The heatsink thermal resistance can be determined from (1)' and (2)' once the following parameters have been defined. · Supply voltage : VCC · Load resistance : RL · Guaranteed maximum ambient temperature : Ta

The total device power dissipation when STK401-220 VCC=±20V and RL=6, for a continuous sine wave signal, is a maximum of 27.5W, as shown in the Pd­PO graphs. When estimating the power dissipation for an actual audio signal input, the rule of thumb is to select Pd corresponding to (1/10) × PO max (within safe limits) for a continuous sine wave input. For example, Pd=15.7W [for (1/10) × PO max=1.5W] The STK401-220 has 4 power transistors, and the thermal resistance per transistor, j-c, is 2.1°C/W. If the guaranteed maximum ambient temperature, Ta, is 50°C, then the required heatsink thermal resistance, c-a, is : From expression (1)' : c-a < (125­50)/15.7 < 4.77 From expression (2)' : c-a < (150­50)/15.7­2.1/4 < 5.84 Therefore, to satisfy both expressions, the required heatsink must have a thermal resistance less than 4.77°C/W. Similarly, when STK401-220 VCC=±16V and RL=3, Pd=17.6W [for (1/10) × PO max=1.5W] From expression (1)' : c-a < (125­50)/17.6 < 4.26 From expression (2)' : c-a < (150­50)/17.6­2.1/4 < 5.15 Therefore, to satisfy both expressions, the required heatsink must have a thermal resistance less than 4.26°C/W. This heatsink design example is based on a constant-voltage supply, and should be verified within your specific set environment.

No.5248­5/7

STK401-220

No.5248­6/7

STK401-220

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 verify 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 designing 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 expor ted without obtaining the expor t 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 designing 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, 1999. Specifications and information herein are subject to change without notice.
PS No.5248­7/7