HIT HA12231FP Datasheet

HA12231FP

Audio Signal Processor for Car Deck (PB 1 Chip)

ADE-207-327A (Z)

2nd Edition

Jan. 2001

Description

HA12231FP is silicon monolithic bipolar IC providing PB equalizer system and music sensor system in one chip.

Functions

• PB equalizer × 2 channel

• Music sensor × 1 channel

• Line amp. × 2 channel

• Line mute × 2 channel

Features

• No use external parts for PB equalizer. (Fixed characteristics built-in)

• Available to change music sensing level by external resistor.

• Available to change frequency response of music sensor by external capacitor.

• Different type of PB equalizer characteristics selection (120 µs/70 µs) is available.

• Line mute ON/OFF is avalable.

• This IC is strong for a cellular phone noise.

Ordering Information

Functions

Product Package PBOUT-Level PB-EQ Music Sensor Mute

HA12231FP FP-20DA 450 mVrms ❍❍❍

HA12231FP

Pin Description, Equivalent Circuit (VCC = 9 V, A system of single supply voltage,

Ta = 25°C, No Signal, The value in the table shows typical value.)

Pin No. Pin Name Note Equivalent Circuit Description

16 TAI(L) V = V

CC

5 TAI(R) 14 RIP V = VCC/2

13 MS DET V = V

CC

/2

V

100 k

VCC/2

V

CC

V

GND

Tape input

Ripple filter

Time constant pin for rectifier

GND

15 PBOUT(L) V = VCC/2

V

CC

V

GND

PB output

6 PBOUT(R) 1 VREF V = VCC/2

V

CC

V

GND

Reference output

17 EQOUT(L) V = VCC/2 Equalizer output (120 µ) 4 EQOUT(R)

Note: MS: Music Sensor

2

HA12231FP

Pin Description, Equivalent Circuit (VCC = 9 V, A system of single supply voltage,

Ta = 25°C, No Signal, The value in the table shows typical value.) (cont.)

Pin No. Pin Name Note Equivalent Circuit Description

11 V 19 FIN(L) 

18 RIN(L) 3 RIN(R) 2 FIN(R) 9 Mute 

10 FOR/REV 8 120/70 12 MS 

CC

 Power supply

Equalizer input

V

Mode control input

22 k

100 k

GND

MS V

I

CC

MS output (to MPU) *

200

7 MS G

20 GND  GND pin Note: MS: Music Sensor

V

V = VCC/2

100 k

D GND

MS gain pin *

V

90 k

3

HA12231FP

Block Diagram

GNDVREF

FIN(L)

RIN(L)

EQOUT(L)

TAI(L)

PBOUT(L)

RIP

+

MS DET

+

MS

CC

DV

V

CC

20 19 18 17 16 15 14

+

−

+

1

2 3 4 5

FIN(R)

RIN(R)

I.A.

EQOUT(R)

LPF

TAI(R)

+

MA

−

6 7 8 9

PBOUT(R)

V

MS G

13 12 11

MS

RECT

+

120/70

Mute

S/R

10

FOR/REV

4

HA12231FP

Absolute Maximum Ratings (Ta = 25°C)

Item Symbol Rating Unit Note

Supply voltage V Power dissipation Pd 400 mW Ta ≤ 85°C Operating temperature Topr −40 to +85 °C Storage temperature Tstg −55 to +125 °C

Max 15 V

CC

5

HA12231FP

Electrical Characteristics

Re-

mark

L

R

L

R

Unit

= 9 V, PBOUT Level = 450 mVrms (= 0 dB))

CC

Max

Typ

(Ta = 25°C, V

Min

PBOUT

level(dB)

∗1



15 6



16

516615

5

dB

mA 9



24.5

6.0

23.5

13.0



22.5

12.050.0

No signal

THD = 1%

00



516615

%

0.3

0.05



15→ 6→ 19 2

dB



60.0

12

11

6

17171717 444

15

19

19/18

2

2/3

dB

43.0

39.0

35.0

40.0

36.0

32.0

37.0

33.0

29.0

120µs

70µs

000

Test Condition Application Terminal

1k

1k1k

1k

10k

fin(Hz) Other

10k

∗1



17

4174

4

19/18

19/18 2/32/3

2/3

%

µVrms

mVrms



0.5

2.0

0.1

1.2

600



300

THD = 1%

Rg = 680Ω, Din-Audio Filter

0



(0)

1k

(1k)

12

15 6

16 5

dB

−10.0

−14.0

−18.0



5k

12

15 6

16 5

V

1.5

1.0



0

5k



8, 9,



12

15 6



12

16

5

V

dB

µA

2.01.0



0.0

80.0



−0.2

70.0

No signal

12

1k

10

CC

V



3.5

IC Condition InputSpecification Output

OUTPUT

INPUT

Item Symbol

PBOUT

PBOUTPBOUT

PBOUT

TAI

TAITAI

FIN

IA

V

Q

Vomax

I

G

Quiescent current

Input AMP. gain

CT RL

T.H.D. THD

Channel separation

Signal handling

EQOUT

FIN

FIN/RIN

EQ 1k

EQ 10k(1)

EQ 10k(2)

V

G

PB-EQ gain

PBOUT

EQOUT

FIN/RIN

OM

THD-EQ

VN

PB-EQ maximum output V

PB-EQ THD

Noise voltage level converted

PBOUT

MSOUT

TAI

TAITAI

ON

OL

V

in input

MS sensing level

MS output low level V

MSOUT



PBOUT

MSOUT



IH

IL

IOHMute

V

= 7.2 V

CC

MS output leak current

MUTE attenuation

Control voltage

Note: 1. V

6

Test Circuit

PBL

DC VM

SW13

MS

PBR

AC VM2

Distortion

HA12231FP

Noise

meter

scope

Oscillo

analyzer

SW12

NOISE METER

WITH CCIR/ARM FILTER

Lch

Rch

AND DIN/AUDIO FILTER

EQ

SW8

PB

R11

10k

+

C11

0.47µ

DC SOURCE1

C7

+

R8

R9

330k

C8

0.33µ

+

1µ

C9

10k

R10

SW6

C12

0.1µ

R12

R13

5.1k

5.1k R14

680

22µ

C13

R15

680

++

22µ

C14

100µ

3.9k

C10

V

CC

MS

MS DET

13 12 11

MS

RECT

RIP

MA

−

+

PBOUT(L)

+

2.2µ

TAI(L)

I.A.

LPF

EQOUT(L)

RIN(L)

−

+

FIN(L)

GND VREF

20 19 18 17 16 15 14

FOR/REV

Mute

120/70

MS G

PBOUT(R)

TAI(R)

I.A.

EQOUT(R)

RIN(R)

−

+

FIN(R)

DC SOURCE2

DC SOURCE3

OFF ON

0.01µ

680

+

EXT

C3

R4

C2

C1

SW11

R7

R6

0.1µ

5.1k

22µ

FOR REV

24k

10k

EXT

+

C4

SW7

PB

EQ

R5

10k

0.47µ

10

SW10

EXT

SW9

120 70

V

C6

+

6 7 8 9

C5

2.2µ SW5

R3

5.1k R2

2 3 4 5

R1

1

TAI

RINSW3

FIN

RIN

SW4

TAI

Rch

Lch

SW2

OFFON

SW1

AUDIO SG

2. Capacitor tolerance ±1%

AC VM1

Notes: 1. Resistor tolerance ±1%

3. Unit R: Ω, C: F

7

HA12231FP

Functional Description

Power Supply Range

HA12231FP is designed to operate on single supply only.

Table 1 Supply Voltage Range

Product Single Supply

HA12231FP 7.2 V to 12.0 V

Reference Voltage

HA12231FP provides the reference voltage of half the supply voltage that is the signal grounds. As the peculiarity of this device, the capacitor for the ripple filter is very small about 1/100 compared with their usual value. The block diagram is shown as figure 1.

11 V

CC

+

−

MS block

20

14

+

RIP

C1 1µ

+

−

1

VREF to Line Amp.

: Internal reference voltage

Figure 1 The Block Diagram of Reference Supply Voltage

8