TDA7334 STMicroelectronics, TDA7334 Datasheet

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TDA7334

Manufacturer Part Number
TDA7334
Description
Manufacturer
STMicroelectronics
Datasheet

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TDA7334D
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November 1999
DESCRIPTION
The TDA7334 is a monolithic BICmos IC de-
signed for use in stereo cassette player systems.
The dual preamplifier contains mute, autoreverse,
metal/normal facilities for amplification of low level
signal in applications requiring very low noise per-
formance.
Each channel consists of two cascaded opera-
tional amplifiers.
The first one, AMP1, has a fixed gain of 32dB,
TEST CIRCUIT
DUAL CHANNEL PROCESSOR FOR PLAY-
BACK APPLICATIONS.
LOW
GROUND COMPATIBLE
MUTE,
FUNCTIONS
INTERNAL SWITCHES FOR EQUALIZATION
LOW SUPPLY CURRENT
MIXED BIPOLAR/CMOS TECHNOLOGY
INPUT R
INPUT L
300pF
300pF
C11
1 F
1 F
C6
C3
C1
1.2K
R3
®
NOISE
AUTOREVERSE
R11 1.2K
600
600
6.8K
R10
R4
R1
300pF
300pF
C5
C2
C4 10nF
6.8K
C8 10nF
R13
HEAD
300K
R5
EQRO
300K
600
600
EQLO
R12
R15 6.2K
R14 6.2K
EQRI
R9
INR2
INR1
R2
EQLI
INL1
INL2
METAL/NORMAL
PREAMPLIFIER
12
13
14
15
2
3
4
5
LOW NOISE STEREO PREAMPLIFIER
32dB
32dB
AMP1
AMP1
low noise forward/reverse switchable input, and
allows magnetic heads connection directly to
ground. The second one, AMP2, is a standard op-
erational amplifier whose equalizing external
components fix the frequency response.
AMP2
AMP2
ORDERING NUMBER: TDA7334 (DIP16)
D94AU079
DIP16
RN
RN
11
16
9
1
8
7
6
V
GND
OUTR
F/RSW
MUTE
OUTL
EQSW
S
TDA7334D (SO16)
GND
C13 0.22 F
C14 0.22 F
TDA7334
100nF
C9
R7 10K
SO16
R8 10K
100nF
C12
20K
20K
+V
+V
+V
S
S
S
1/11

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TDA7334 Summary of contents

Page 1

... INTERNAL SWITCHES FOR EQUALIZATION LOW SUPPLY CURRENT MIXED BIPOLAR/CMOS TECHNOLOGY DESCRIPTION The TDA7334 is a monolithic BICmos IC de- signed for use in stereo cassette player systems. The dual preamplifier contains mute, autoreverse, metal/normal facilities for amplification of low level signal in applications requiring very low noise per- formance ...

Page 2

... TDA7334 ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage S P Total Power Dissipation tot T Operating Temperature Range op T Storage Temperature Range stg PIN CONNECTION (Top view) THERMAL DATA R Thermal resistance junction-pins th j-pins 2/11 Parameter Value Unit - -40 to 150 C DIP 16 SO16 100 200 C/W ...

Page 3

... P.C. Board and component layout of the Application Circuit (1:1 scale 32dB 14 15 AMP1 AMP2 2 AMP1 AMP2 3 32dB 3.6 3.6 8 C12 100nF GND 1 C13 0. OUTR R7 30K 8 F/RSW C10 0. 30K 7 MUTE C9 0.68 F C14 0. OUTL RN R8 30K 16 EQSW C4 0.68 F D94AU080 N.C. 3.6 3.6 3.6 0 TDA7334 + GND V S GND 3/11 ...

Page 4

... TDA7334 ELECTRICAL CHARACTERISTICS (V wise specified (see figure 2) Symbol Parameter V Supply Voltage S I Supply Current S SVR Ripple Rejection MUTE Mute (Pin 7) th MUTE Mute Attenuation A R Input Resistance I V Output Voltage DC out DC I Input Bias Current I G Open Loop Gain VO G Closed Loop Gain ...

Page 5

... Figure 1: Quiescent Current vs. Supply Figure 3: Forward/Reverse Threshold Figure 5: Mute Threshold Figure 2: D.C. Output vs. Supply Voltage Figure 4: Metal/Normal Threshold Figure 6: Mute Attenuation vs. Frequency TDA7334 5/11 ...

Page 6

... TDA7334 Figure 7: Mute Attenuation vs. Output Level Figure 9: THD + N vs. Frequency Figure 11: Load Characteristic 6/11 Figure 8: THD vs. Frequency Figure 10: THD vs. Supply Voltage Figure 12: Signal Handling vs. Supply Voltage ...

Page 7

... Figure 13: Total Input Noise vs. Input Resistance Figure 15: Cross Talk vs. Frequency Figure 17: SVR vs. Frequency Figure 14: Cross Channel vs. Frequency Figure 16: SVR vs. Frequency Figure 18: Power Bandwidth TDA7334 7/11 ...

Page 8

... TDA7334 Figure 19: Voltage Gain vs. Input Voltage 8/11 Figure 20: NAB Network ...

Page 9

... DIM. MIN. TYP. MAX. MIN. a1 0.51 0.020 B 0.77 1.65 0.030 b 0 8.5 e 2.54 e3 17.78 F 7.1 I 5.1 L 3.3 Z 1.27 inch MECHANICAL DATA TYP. MAX. 0.065 0.020 0.010 0.787 0.335 0.100 0.700 0.280 0.201 0.130 0.050 TDA7334 OUTLINE AND DIP16 9/11 ...

Page 10

... TDA7334 mm DIM. MIN. TYP. MAX. A 1.75 a1 0.1 0.25 a2 1.6 b 0.35 0.46 b1 0.19 0.25 C 0.5 c1 45˚ (typ.) D (1) 9 5.8 6.2 e 1.27 e3 8.89 F (1) 3 4.6 5.3 L 0.4 1.27 M 0.62 S 8˚(max.) (1) D and F do not include mold flash or protrusions. Mold flash or potrusions shall not exceed 0.15mm (.006inch). ...

Page 11

... STMicroelectronics – Printed in Italy – All Rights Reserved Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. The ST logo is a registered trademark of STMicroelectronics STMicroelectronics GROUP OF COMPANIES http://www.st.com TDA7334 11/11 ...

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