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HA12142NT

Hitachi Semiconductor
Part Number HA12142NT
Manufacturer Hitachi Semiconductor
Description Dolby B- and C-Type Noise Reduction
Published Mar 22, 2005
Detailed Description HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP Dolby B- and C-Type Noise Reduction System ADE-207-036B (Z) 3rd E...
Datasheet PDF File HA12142NT PDF File

HA12142NT
HA12142NT

Overview
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP Dolby B- and C-Type Noise Reduction System ADE-207-036B (Z) 3rd Edition Jun.
1999 Description HA12141/142NT, HA12170NT, HA12161/162FP are silicon monolithic bipolar IC series providing dual channel Dolby B- and C-type noise reduction* in one chip.
Functions • Dual Dolby B/C-type NR processor • NR OFF/B/C control switch • MPX by-pass / Encode / Decode (MPX OFF / REC / PB) control switch • MPX Filter Drive Circuit Features • Low external parts count • R-C spectrum skewing network using passive component • External capacitors are E-3 series (small values) • Several time constant capacitors built into the IC • Separate REC/PB input and output.
Unprocessed signal output available in the encode and decode modes.
• Common PCB pattern is available with HA12134A series (Dolby B NR), because these ICs offer similar pin layout.
• 3 type PB-out level (300 mV, 580 mV, 775 mV) • 2 type package (DP-30S, FP-28D) • Wide range of operating supply voltage (7.
5 V to 16 V) * Dolby is a trademark of Dolby Laboratories Licensing Corporation.
A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP Ordering Information Type No.
HA12141NT HA12142NT HA12170NT HA12161FP HA12162FP Package DP-30S DP-30S DP-30S FP-28D FP-28D Dolby Level PB-OUT Level 300 m Vrms 300 m Vrms 300 m Vrms 580 m Vrms 300 m Vrms 775 m Vrms 300 m Vrms 300 m Vrms 300 m Vrms 580 m Vrms PB-IN Level 30.
0 mVrms REC-OUT Level 300 m Vrms 300 m Vrms 300 m Vrms — — Remark — — — PB-mode only ↓ IA-OUT Level (PB) 300 mVrms Notes: 1.
The common specifications are shown below.
REC-IN Level 42.
9 mVrms IA-OUT Level (REC) 429 mVrms 2.
The values listed above show approximate values to be offered Dolby Level at TP.
Absolute Maximum Ratings (Ta = 25°C, unless otherwise specified) Item Supply voltage Power dissipation Operating temperature Storage temperature Symbol VCCmax PD Topr Tstg Rating...


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