HA12142NT データシートの表示（PDF） - Hitachi -> Renesas Electronics

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HA12142NT

Dolby B- and C-Type Noise Reduction System

Hitachi -> Renesas Electronics 

HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP

Electrical Characteristics (Ta = 25°C, VCC = Vopr-typ, unless otherwise specified)

(Dolby Level = 300 mVrms at TP (REC-mode: TP2, TP4 PB-mode: TP1, TP3)) (cont)

Item

Symbol Min

Typ

Signal to noise ratio

S/N (REC) 60.0

64.0

Total harmonic distortion THD (OFF) —

0.03

THD (C) —

0.09

NR OFF frequency

FR-OFF –3.0

0.0

response

Crosstalk between

CT (R→P) —

80.0

REC-PB

CT (P→R) —

80.0

Crosstalk between

CT (L→R) —

85.0

channel

CT (R→L) —

85.0

Control voltage for MPX Vcont

VCC–1

—

OFF/REC/PB

(MPX)

Vcont

2.5

—

(REC)

Control voltage for NR

C/B OFF

Vcont (PB) 0.0

—

Vcont (C)

V CC

+3

—

2

Vcont (B)

V CC

– 0.5

—

2

Vcont

0.0

—

(OFF)

PB-OUT HA12141NT Vout

250

300

level

HA12142NT

490

580

HA12170NT

646

775

REC-OUT offset

Voffset –70

0.0

Channel balance

∆Gv

–1.0

0.0

Max

—

0.15

0.3

+3.0

Test conditions

Unit R/P NR f (Hz)

dB R C —

Rg = 5.1kΩ

CCIR/ARM

% R OFF 1 k Vin = 0dB

% R C 1 k Vin = 0dB

dB P OFF 100 k Vin = 0dB

—

dB P OFF 1 k

—

dB R OFF 1 k

—

dB R OFF 1 k

—

dB

VCC

V

VCC + 0.5 V

2

0.4

V

VCC

V

V CC

2 + 0.5

V

V CC

–3

V

2

350

mVrms R

670

mVrms

904

mVrms

70

mV R

1.0

DB R

OFF 1 k

OFF —

→C

OFF 1 k

Vin = 0dB

Vin = 0dB

Vin = 0dB

VCC = 16V

No signal

Vin = 0dB

Rev.3, Jun. 1999, page 4 of 63

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