HA12229F Datasheet PDF - Hitachi Semiconductor
| Part Number | HA12229F | |
| Description | Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) | |
| Manufacturers | Hitachi Semiconductor | |
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There is a preview and HA12229F download ( pdf file ) link at the bottom of this page. Total 30 Pages | ||
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HA12228F/HA12229F
Audio Signal Processor for Car Deck
(Decode only Dolby B-type NR* with PB Amp.)
ADE-207-325A
2nd Edition
Dec. 2000
Description
HA12228F/HA12229F are silicon monolithic bipolar IC providing Dolby noise reduction system*, music
sensor, PB equalizer system in one chip.
Notes: 1. Dolby is a trademark of Dolby Laboratories Licensing Corporation.
A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.
2. HA12229F is not built-in Dolby B-NR.
Functions
• PB equalizer
• Music sensor
• Dolby B-NR (Only HA12228F)
• Line mute SW
× 2 channel
× 1 channel
× 2 channel
× 2 channel
Features
• Different type of PB equalizer characteristics selection (120 µs/70 µs) is available with fully electronic
control switching built-in.
• Easy interface with the PB head. (The PB-EQ resistance self-containing)
• Changeable to Forward, Reverse-mode for PB head with fully electronic control switching built-in.
• Available to change music sensing level by external resistor.
• Available to change response of music sensor by external capacitor.
• Music sensing level, built-in switch to change a band (MSGV).
• NR ON/OFF fully electronic control switching built-in. (Only HA12228F)
• Line mute control switching built-in.
• Available to connect direct with MPU.
• These ICs are strong for a cellular phone noise.
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HA12228F/HA12229F
Pin Description, Equivalent Circuit (VCC = 9 V single supply, Ta = 25°C, No Signal,
The value in the table shows typical value.) (cont.)
Pin No. Terminal Name Note
20 MUTE ON/OFF —
Equivalent Circuit
Description
Mode control input
21 *1
19
17
18
16
NR ON/OFF
120/70
F/R
S/R(MS G )
V
MSOUT
—
22 k
100 k
GND
VCC
I
MS output (to MPU) *2
10 MS Gv(S)
V = VCC/2
11 MS Gv(R)
31 NFI(R)
V = VCC/2
200 100 k
GND
V
90 k
MS gain terminal *2
VCC Equalizer output for
time constant
V
40 NFI(L)
Notes: 1. Non connection regarding HA12229F.
2. MS: Music Sensor
to Vref
Rev.2, Dec. 2000, page 5 of 51
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HA12229F electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ HA12229F.PDF Datasheet ] | |
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