HA12136A datasheet(4/27 Pages) HITACHI

Part #	HA12136A

Description	Dolby B-Type Noise Reduction System

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Manufacturer	HITACHI [Hitachi Semiconductor]

Direct Link	http://www.renesas.com/eng

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HA12134A, HA12135A, HA12136A

4

Electrical Characteristics (Ta = 25

°C, V

CC = 12 V, Unless otherwise specified.)

Item

Symbol

Min

Typ

Max

Unit

Test conditions

Operating voltage

HA12134A Vope

6.5

12.0

16.0

V

Enable functional operations

HA12135A

8.0

12.0

16.0

HA12136A

9.5

12.0

16.0

Quiescent current

I

Q

—

7

—

mA

No signal, REC NR-ON

Voltage gain of

HA12134A G

VIA

21.0

23.0

25.0

dB

Pin 1

→Pin 6

input amp

HA12135A

24.5

26.5

28.5

(Pin 16

→Pin 11)

HA12136A

26.5

28.5

30.5

Vout = 0 dB, f = 1 kHz

NR encode boost

V 8 (9) (NR ON)

ENC-1.4

k (1)

2.9

4.4

5.9

dB

f = 1.4 kHz

V 8 (9) (NR OFF) = –20 dB

V 8 (9) (NR OFF)

ENC-1.4

k (2)

6.0

7.5

9.0

dB

f = 1.4 kHz

V 8 (9) (NR OFF) = –30 dB

ENC-5 k

(1)

1.7

3.2

4.7

dB

f = 5 kHz

V 8 (9) (NR OFF) = –20 dB

ENC-5 k

(2)

6.7

8.2

9.7

dB

f = 5 kHz

V 8 (9) (NR OFF) = –30 dB

ENC-10 k

(1)

–1.1

0.4

1.9

dB

f = 10 kHz

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

ENC-10 k

(2)

9.8

10.4

11.8

dB

f = 10 kHz

V 8 (9) (NR OFF) = –40 dB

T.H.D (REC)

T.H.D

(REC)

—

0.05

0.3

%

f = 1 kHz

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

Signal handling

HA12134A Vomax

12.0

13.0

—

dB

f = 1 kHz,

V

CC = 6.5 V

HA12135A (REC)

T.H.D = 1%

V

CC = 8.0 V

HA12136A

V

CC = 9.5 V

Signal/noise ratio

(REC)

S/N

(REC)

62.0

68.0

—

dB

Rg = 5.1 k

Ω

weighted

CCIR/ARM

Crosstalk (ENC)

(Pin 8 – Pin 9)

CT R

→L

L

→R

52.0

60.0

—

dB

f = 1 kHz

NR OFF

Control voltage for

REC/PB

REC

2.5

—

V

CC

V

REC/PB

22 k

Measure

12

PB

0.0

—

0.5

Control voltage for

NR ON/OFF

ON

2.5

—

V

CC

V

22k

Measure

NR

ON/OFF

5

OFF

0.0

—

0.5

Channel balance

∆G

VIA

–1.0

0.0

1.0

dB

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