BA3423S datasheet, PDF - EEWORLD Datasheet

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BA3423S: DescriptionDouble cassette tape recorder system preamplifier; CategoryAnalog mixed-signal IC Consumption circuit; File Size396KB，18 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/; Environmental Compliance

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BA3423S Overview

Double cassette tape recorder system preamplifier

BA3423S Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Parts packaging code	DIP
package instruction	SDIP-32
Contacts	32
Reach Compliance Code	compli
ECCN code	EAR99
Commercial integrated circuit types	AUDIO PREAMPLIFIER
Gain	57 dB
harmonic distortion	0.7%
JESD-30 code	R-PDIP-T32
JESD-609 code	e3/e2
length	28 mm
Number of channels	1
Number of functions	1
Number of terminals	32
Maximum operating temperature	75 °C
Minimum operating temperature	-25 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SDIP
Encapsulate equivalent code	SDIP24,.3
Package shape	RECTANGULAR
Package form	IN-LINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
power supply	9 V
Certification status	Not Qualified
Maximum seat height	5 mm
Maximum slew rate	39 mA
Maximum supply voltage (Vsup)	7 V
Minimum supply voltage (Vsup)	4.5 V
surface mount	NO
technology	BIPOLAR
Temperature level	COMMERCIAL EXTENDED
Terminal surface	TIN/TIN COPPER
Terminal form	THROUGH-HOLE
Terminal pitch	1.778 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	10
width	10.16 mm
Base Number Matches	1

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Audio ICs

Double cassette tape recorder system

preamplifier

BA3423S

The BA3423S is a record / playback system preamplifier for radio cassette decks. With four control pins it allows switch-

ing between I / O for the A (play only) and B (record and play) mechanisms, input for tape, radio, and microphone, on

and off switching for line out and recording output, and equalizer switching for normal and high-speed dubbing.

It requires about half the number of external components of its predecessors which means simplified assembly and over-

all cost savings.

FApplications

Dual-cassette radio cassette players.

FFeatures

1) Built-in switch for playback equalizer amplifier for the

A and B mechanisms.

2) Built-in normal / high-speed equalizer switch for the

playback equalizer amplifier.

3) The B mechanism input is also used as the recording

output, so a switch is not required.

4) Built-in tape / radio input switch, and microphone mix-

ing.

5) The microphone amplifier is used as the mixing am-

plifier, and the line can be muted to allow the built-in

microphone to be used for recording.

FAbsolute

maximum ratings (Ta = 25_C)

6) Built-in ALC circuit.

7) Built-in recording equalizer circuit, and internal

switching of the normal / high-speed equalizer is

possible.

8) All stages are directly connected, so coupling ca-

pacitors are not required.

9) Muting is applied as required during switching to re-

duce switching noise (transition muting).

10) Pin assignments has been designed to facilitate

placement of attached components and PCB de-

sign.

FRecommended

operating conditions (Ta = 25_C)

251

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