Datasheet > 12136AF

12136AF

更新时间： 2022-11-27 02:23:15

品牌	Logo	应用领域
日立 - HITACHI		/
页数	文件大小	规格书
27页	102K
描述
Dolby B-Type Noise Reduction System

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数据手册

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12136AF 数据手册

HA12134A, HA12135A, HA12136A

Electrical Characteristics (Ta = 25°C, V_CC= 12 V, Unless otherwise specified.)

Item

Symbol Min

Typ

12.0

Max

16.0

—

Unit

Test conditions

Operating voltage HA12134A Vope

HA12135A

6.5

Enable functional operations

8.0

HA12136A

9.5

Quiescent current

Voltage gain of

input amp

I_Q

HA12134A G_VIA

HA12135A

—

No signal, REC NR-ON

Pin 1→Pin 6

21.0

24.5

26.5

23.0

26.5

28.5

4.4

25.0

28.5

30.5

5.9

(Pin 16→Pin 11)

HA12136A

Vout = 0 dB, f = 1 kHz

NR encode boost

V 8 (9) (NR ON)

ENC-1.4 2.9

k (1)

f = 1.4 kHz

V 8 (9) (NR OFF) = –20 dB

V 8 (9) (NR OFF)

ENC-1.4 6.0

k (2)

7.5

9.0

4.7

9.7

1.9

11.8

0.3

—

f = 1.4 kHz

V 8 (9) (NR OFF) = –30 dB

ENC-5 k 1.7

(1)

3.2

f = 5 kHz

V 8 (9) (NR OFF) = –20 dB

ENC-5 k 6.7

(2)

8.2

f = 5 kHz

V 8 (9) (NR OFF) = –30 dB

ENC-10 k –1.1

(1)

0.4

f = 10 kHz

V 8 (9) (NR OFF) = 0 dB

ENC-10 k 9.8

(2)

10.4

0.05

13.0

f = 10 kHz

V 8 (9) (NR OFF) = –40 dB

T.H.D (REC)

T.H.D

(REC)

—

f = 1 kHz

V 8 (9) (NR ON) = 0 dB

Signal handling

HA12134A Vomax

HA12135A (REC)

HA12136A

12.0

f = 1 kHz,

V_CC= 6.5 V

V_CC= 8.0 V

V_CC= 9.5 V

T.H.D = 1%

Signal/noise ratio

(REC)

S/N

(REC)

62.0

68.0

—

Rg = 5.1 kΩ

weighted

CCIR/ARM

Crosstalk (ENC)

(Pin 8 – Pin 9)

CT R→L 52.0

L→R

60.0

—

f = 1 kHz

NR OFF

Control voltage for

REC/PB

REC

2.5

V_CC

REC/PB

22 k

Measure

0.0

2.5

—

0.5

V_CC

Control voltage for

NR ON/OFF

ON/OFF

Measure

22k

OFF

0.0

—

0.5

1.0

Channel balance

∆G_VIA

–1.0

0.0

1 2 345 6 7...27

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