HA12155 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HA12155

Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System)

Hitachi -> Renesas Electronics 

HA12155NT/HA12157NT

Electrical Characteristics (Ta = 25°C VCC = 14 V Dolby level 300 mVrms) (cont)

Item

Symbol

Volume mute

GVVR (MUT)

Max-input level to volume Vin max (VR)

Min

—

11.0

Typ

—

12.6

Max Unit

–80.0 dB

— dBs

Volume S/N

S/N (VR)

78.0 84.0 — dB

Volume THD

THD (VR)

— 0.04 0.3 %

Equalizer gain

GV EQ (500)

13.0 15.0 17.0 dB

G

V EQ (1K)

13.0 15.0 17.0

GV EQ (5K)

14.5 16.5 18.5

GV EQ (10K)

18.5 20.5 22.5

GV EQ (20K)

29.5 32.0 34.5

Equalizer maximum input Vin max (EQ) –8.0 –7.0 — dBs

Equalizer S/N

Equalizer THD

S/N (EQ)

THD (EQ)

57.0 62.0 — dB

— 0.2 0.5 %

Equalizer offset

Level meter output

Level meter output

Vofs (EQ)

LM (0 dB)

LM (12 dB)

LM (–20 dB)1

LM (–20 dB)2

–400 0.0

2.60 2.85

3.60 3.90

0.80 1.10

2.55 3.0

+400 mV

3.10 V

4.20 V

1.40 V

3.15 V

Level meter offset

LMofs 1

— 150 300 mV

LMofs 2

— 200 350

Notes: 1. HA12155 V = 9.5 V, HA12157 V = 12 V

CC

CC

2. 0 dB = PB-OUT level

Test conditions

Vin = 3 Vrms, f = 1 kHz

f = 1 kHz, THD = 1%,

V = 12 V

CC

Vin = 100 mVrms, f = 1

kHz, A-WTG

Vin = 100 mVrms, f = 1

kHz

Vin = 77.5 mVrms,

f = 500 Hz

Vin = 77.5 mVrms,

f = 1 kHz

Vin = 77.5 mVrms,

f = 5 kHz

Vin = 77.5 mVrms,

f = 10 kHz

Vin = 77.5 mVrms,

f = 20 kHz

f = 1 kHz, THD = 1%,

V = 12 V

CC

Rg = 5.1 kΩ, A-WTG

Vin = 77.5 mVrms,

f = 1 kHz

no signal

Vin = 0 dB, f = 1 kHz

Vin = 12 dB, f = 1 kHz

Vin = –20 dB, f = 1 kHz

Vin = –20 dB, f = 1 kHz,

–20 dB range

no signal

no signal, –20 dB range

Notes

*1

*2

*2

Rev.4, Jun. 1997, page 5 of 57

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