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INTEGRATED CIRCUITS
DATA SHEET
TDA1522 Stereo cassette head preamplifier and equalizer
Product specification File under Integrated Circuits, IC01 1996 Feb 26
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
FEATURES * Two independent amplifiers with open-loop gain of 90 dB (typical) * Internal DC feedback via 140 k resistor from output to feedback point * AC characteristics that can be determined externally by an RC network * Electronic on/off switching with transient suppression for switch on * Head input at DC ground that eliminates the input coupling capacitor * Minimum external component requirement * Stability down to a gain of 30 dB * Low input noise * Low distortion * DC input current <2 A * Wide supply voltage range. QUICK REFERENCE DATA SYMBOL VP IP Tamb THD cs PARAMETER supply voltage (pin 8) supply current (pin 8) operating ambient temperature total harmonic distortion channel separation RS = 10 k; LS = 0 CONDITIONS - -30 - 45 MIN. 7.5 - 5 - 0.05 - TYP. - GENERAL DESCRIPTION
TDA1522
The TDA1522 is a playback amplifier for car radio/cassette players.
MAX. 23 +85 - -
UNIT V mA C % dB
ORDERING INFORMATION TYPE NUMBER TDA1522 PACKAGE NAME SIL9MP DESCRIPTION plastic single in-line medium power package; 9 leads VERSION SOT142-1
1996 Feb 26
2
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
BLOCK DIAGRAM
TDA1522
R102
handbook, full pagewidth
R101 5.6 k
C101 22 nF
C102 220 F
8.2
TDA1522
feedback 1 140 k 3 4 R fb1 AMP 1 1 5 2 SUPPLY & MUTE 8 6 7 AMP 2 R fb2 feedback 2 140 k R202 R201 5.6 k C201 22 nF 9 C c2 output 2 Vo2 C c1
output 1 R L1
Vo1
Vi1
R S1 = 300 L S1 = 80 mH MUTE R S2 = 300 L S2 = 80 mH
10 F
4.7 k
Vi2
10 F
R L2 4.7 k
C202 220 F
8.2
VP
MLD337
Fig.1 Block diagram with external components; also used as test circuit.
1996 Feb 26
3
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
PINNING SYMBOL Vo1 MUTE FB1 Vi1 GND Vi2 FB2 VP Vo2 PIN 1 2 3 4 5 6 7 8 9 DESCRIPTION output voltage 1 mute input feedback 1 input voltage 1 ground input voltage 2 feedback 2 power supply output voltage 2
handbook, halfpage
TDA1522
V o1 1 MUTE 2 FB1 3 V i1 4
GND 5 V i2 FB2 VP V o2 6 7 8 9
TDA1522
MGC396
Fig.2 Pin configuration.
1996 Feb 26
4
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134); note 1. SYMBOL VP Ifb Ptot Tamb Tstg Note 1. All pins except 3 and 7 (feedback) can be connected to VP (pin 8) or ground (pin 5). CHARACTERISTICS VP = 8.5 V; Tamb = 25 C; see test circuit Fig.1; unless otherwise specified. SYMBOL Supply (pin 8) VP IP Vni(rms) Vni Ini I4, I6 Zi Vo IO VO Vno(rms) Vno supply voltage supply current 7.5 - - - - - f = 1 kHz; note 1 200 - 1.0 -5 - RS = 300 ; LS = 80 mH - - 5 PARAMETER CONDITIONS MIN. TYP. supply voltage (pin 8) feedback current (pins 3 and 7) total power dissipation operating ambient temperature storage temperature PARAMETER - - -30 -55 MIN. 7.5
TDA1522
MAX. 23 10 800 +85 +150 V
UNIT mA mW C C
MAX.
UNIT
23 - - - - -2 - - - - - -
V mA V nV ----------Hz pA ----------Hz A k
Inputs (pins 4 or 6) unweighted noise input voltage (RMS value) noise input voltage noise input current DC input current at pins 4 and 6 input impedance f = 20 Hz to 20 kHz; measured in Fig.3 RS = 0; f = 1 kHz; measured in Fig.3; see also Fig.5 f = 1 kHz; measured in Fig.3; see also Fig.6 1.6 5 1.2 - -
Outputs (pins 1 or 9); see Fig.7 output voltage output source current DC output voltage weighted noise output voltage; DIN A (RMS value) weighted noise output voltage CCITT (peak value) CCIR (peak value) Vno Zo unweighted noise output voltage; DIN 45405 (peak value) output impedance RS = 300 ; LS = 80 mH RS = 300 ; LS = 80 mH RS = 300 ; LS = 80 mH f = 1 kHz; note 1 - - - - 1200 1600 1800 - - - - 1 V V V k Vi = 0.3 mV; f = 315 Hz THD = 1%; f = 1 kHz V2-5 7.5 V; mute off 0.72 - -10 3.7 700 V V mA V V
1996 Feb 26
5
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
SYMBOL PARAMETER CONDITIONS MIN. - 2.7 - TYP.
TDA1522
MAX.
UNIT
Mute on/off (pin 2); see Fig.4 Vmute(on) Imute(on) Vmute(off) General Rfb Gv cs PSRR THD Notes 1. Applies to each amplifier. 2. Frequency range 300 Hz to 20 kHz. 3. Referred to the input. 4. Measured selective. internal feedback resistor open-loop voltage gain channel separation power supply ripple rejection total harmonic distortion note 1 f = 315 Hz; note 1 RS = 10 k; LS = 0; note 2 VP(rms) = 0.1 V; f = 100 Hz; note 3 f = 1 kHz; Vo = 0.3 V; note 4 100 - 45 90 - 140 90 - 95 0.05 180 - - - - k dB dB dB % mute on voltage mute on current mute off voltage mute switch closed mute switch closed or V2-5 = 0 V mute switch open 0 - 7.5 1 - VP V A V
R102
handbook, full pagewidth
R101 9.1 k
C101 10 F
C102 1000 F
8.2
TDA1522
feedback 1 140 k 3 R fb1 AMP 1 1 5 R S1 4.7 k R S2 4.7 k 2 SUPPLY & MUTE 8 6 7 AMP 2 R fb2 feedback 2 140 k R202 R201 9.1 k C201 10 F 9 C c2 output 2 Vo2 C c1
output 1 R L1
Vi1
4
Vo1
10 F
4.7 k
Vi2
10 F
R L2 4.7 k
C202 1000 F
8.2
VP
MLD338
Fig.3 Test circuit for noise measurement.
1996 Feb 26
6
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
TDA1522
handbook, halfpage
0
MLD339
Vo (dB)
20
40
60
80
100 0 2 4 V2 5 (V) 6
Fig.4
Muting depth as a function of control voltage at pin 2.
10 2 handbook, full pagewidth
MLD340
Vni (nV/ Hz)
(1) (2)
10
(3)
1 10 (1) RS = 10 k. (2) RS = 5 k. (3) RS = 0.
10 2
10 3
10 4
f (Hz)
10 5
Fig.5 Noise input voltage as a function of frequency.
1996 Feb 26
7
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
TDA1522
MLD341
10 handbook, full pagewidth
Ini (pA/ Hz)
1
10 1 10
10 2
10 3
10 4
f (Hz)
10 5
Fig.6 Noise input current as a function of frequency.
MLD342
handbook, full pagewidth
20
gf
g 315 Hz (dB) 10
0
10
20
30 10
10 2
10 3
10 4
f (Hz)
10 5
Fig.7 Frequency response curve for the circuit in Fig.1.
1996 Feb 26
8
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
PRINTED-CIRCUIT BOARD
TDA1522
handbook, full pagewidth
58 RM1 Vo2 VP SM RL2 CC2 R201 D201 R202 C201 Vi2 RS2 C202 C102 RS1 Vi1 C101
CVP1
IC1
45
MUTE
Vo1 RM
RL1
CC1
CM
R102 D101 R101
MGC995
Fig.8 Printed-circuit board component side, showing component layout of Fig.1 and/or Fig.10.
1996 Feb 26
9
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
APPLICATION INFORMATION
TDA1522
R102
handbook, full pagewidth
R101 5.6 k
C101 22 nF
C102 220 F
8.2
TDA1522
feedback 1 140 k 3 4 R fb1 AMP 1 1 5 2 SUPPLY & MUTE 8 6 7 AMP 2 R fb2 feedback 2 140 k R202 R201 5.6 k C201 22 nF 9 C c2 output 2 Vo2 C c1
output 1 R L1
Vo1
Vi1
R S1 = 300 L S1 = 80 mH R S2 = 300 L S2 = 80 mH Rm
10 F
4.7 k
Vi2
MUTE SWITCH
150 k 1 F
10 F
R L2 4.7 k
C202 220 F
8.2
VP
MLD343
Fig.9 Simple mute application.
1996 Feb 26
10
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
TDA1522
handbook, full pagewidth
1N4148 R102 C102 220 F 8.2 R101 5.6 k C101 22 nF
TDA1522
feedback 1 140 k 3 4 R fb1 AMP 1 1 5 2 SUPPLY & MUTE 8 6 7 AMP 2 R fb2 feedback 2 140 k R201 5.6 k 1N4148 C201 22 nF 9 C c2 output 2 Vo2 C c1
output 1 R L1
Vo1
Vi1
R S1 = 300 L S1 = 80 mH R S2 = 300 L S2 = 80 mH
10 F
4.7 k
Vi2
MUTE SWITCH
68 k 68 2.2 k F R202 8.2 C202 220 F
10 F
R L2 4.7 k
VP
MLD344
Fig.10 Application for plop-free muting.
1996 Feb 26
11
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
PACKAGE OUTLINE SIL9MP: plastic single in-line medium power package; 9 leads handbook, full pagewidth
TDA1522
SOT142-1
D
D1 A3
A2
seating plane
E pin 1 index A
L 1 Z b2 e b b1 wM 9 Q
c
0
5 scale
10 mm
DIMENSIONS (mm are the original dimensions) UNIT mm A 12 11 A2 max. 3.7 A3 1.8 1.4 b 1.40 1.14 b1 0.67 0.50 b2 1.40 1.14 c 0.48 0.38 D (1) 21.8 21.4 D1 21.4 20.7 E (1) 6.48 6.20 e 2.54 L 3.9 3.4 Q 1.75 1.55 w 0.25 Z (1) max. 1.0
Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT142-1 REFERENCES IEC JEDEC EIAJ EUROPEAN PROJECTION
ISSUE DATE 92-11-17 95-02-09
1996 Feb 26
12
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used. This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our "IC Package Databook" (order code 9398 652 90011). Soldering by dipping or by wave The maximum permissible temperature of the solder is 260 C; solder at this temperature must not be in contact with the joint for more than 5 seconds. The total contact time of successive solder waves must not exceed 5 seconds. DEFINITIONS Data sheet status Objective specification Preliminary specification Product specification Limiting values
TDA1522
The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the specified maximum storage temperature (Tstg max). If the printed-circuit board has been pre-heated, forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit. Repairing soldered joints Apply a low voltage soldering iron (less than 24 V) to the lead(s) of the package, below the seating plane or not more than 2 mm above it. If the temperature of the soldering iron bit is less than 300 C it may remain in contact for up to 10 seconds. If the bit temperature is between 300 and 400 C, contact may be up to 5 seconds.
This data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications.
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
1996 Feb 26
13
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
NOTES
TDA1522
1996 Feb 26
14
Philips Semiconductors
Product specification
Stereo cassette head preamplifier and equalizer
NOTES
TDA1522
1996 Feb 26
15
Philips Semiconductors - a worldwide company
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All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights.
Printed in The Netherlands
517021/1100/01/pp16 Document order number: Date of release: 1996 Feb 26 9397 750 00693

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