HIT HA12232FP Datasheet

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HA12232FP

Audio Signal Pre-Amp. for Car Deck

Target Specifications

Description

HA12232FP is audio signal pre-amp. LSI providing PB equalizer op-amp. in one chip.

Function

• PB equalizer × 2 channel

• Vref buffer × 1 channel

ADE-207-328 (Z)

1st Edition

Sep. 2000

Features

• Built-in referential voltage (VREF) for PB equalizer decreases external componen ts.

• This IC is low noise.

• This IC is strong for a cellular phone noise.

Operating Voltage Range

Product Min Max Unit

HA12232FP 6.5 15 V Note: This IC is designed to operate on single supply.

HA12232FP

Pin Description, Equivalent Circuit (VCC = 9 V single supply, Ta = 25°C, No Signal,

The value in the table shows typical value.)

Pin No. Pin Name Note Equivalent Circuit Description

7RIP V = V

1VREFV = V

10 EQOUT(L) V = VCC/2

GND

GND V

Ripple filter

Reference output

Equalizer output

GND

5 EQOUT(R) 2 PBIN(R) 

PB equalizer input

PBIN

NFI

13 PBIN(L) 3NFI(R)V = V

/2 Equalizer output

12 NFI(L) for time constant

Rev.1, Sep. 2000, page 2 of 14

HA12232FP

Pin Description, Equivalent Circuit (VCC = 9 V single supply, Ta = 25°C, No Signal,

The value in the table shows typical value.) (cont.)

Pin No. Pin Name Note Equivalent Circuit Description

8V 14 GND  GND pin 4NC  6 9 11

 Power supply

Rev.1, Sep. 2000, page 3 of 14

HA12232FP

Block Diagram

180

14 13 12 11

GND

PBIN(L)

VREF

1 2 3 4

PBIN(R)

0.01µR412k R5

330k

NFI(L)

−

NFI(R)

330k

EQOUT(L) V

5 6 7

9 8

1µ

RIP

180

0.01µ

12k

EQOUT(R)

Unit

R: Ω C: F

Rev.1, Sep. 2000, page 4 of 14

HA12232FP

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

Electrical Characteristics (Ta = 25°C, VCC = 9 V, Rg = 680 Ω)

Item Symbol Test Condition Min Typ Max Unit Remark

Quiescent current I Channel separation CT RL Fin = 1kHz, Vin = 6mVrms 50.0 60.0  dB EQ gain GV 1k Fin = 1kHz, Vin = 0.6mVrms 37.0 40.0 43.0 dB

THD THD Fin = 1kHz, Vin = 2.4mVrms  0.1 0.5 % EQ maximum output V Noise voltage level

converted in input Note: 1. VCC = 6.5 V

Max 16 V

Specification

No signal 1.5 2.2 3.2 mA

GV 10k Fin = 10kHz, Vin = 0.6mVrms 33.0 36.0 39.0 dB

Fin = 1kHz, THD = 1% 300 600  mVrms *1

VN Rg = 680Ω, Din-Audio Filter  0.7 1.5 µVrms

Rev.1, Sep. 2000, page 5 of 14

HA12232FP

Functional Description

Power Supply Range

HA12232FP is designed to operate on single supply only.

Table 1 Supply Voltage Range

Product Single Supply

HA12232FP 6.5 V to 15.0 V

Reference Voltage

HA12232FP 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 ab out 1 /1 00 compared with their usual value. The block diagram is shown as figure 1.

−

Figure 1 The Block Diagram of Reference Supply Voltage

Rev.1, Sep. 2000, page 6 of 14

Input Block Diagram and Lev e l Diagram

Vref

HA12232FP

0.6mVrms (−62.2dBs)

PBIN

Figure 2 Input Block Diagram

Cutoff Frequency, Gain of PB-EQ Amp.

60mVrms

−

PB-EQ

(−22.2dBs)

EQOUT

Amp.

NFI

330k

R1 180

0.01µ

12k

PB-EQ Amp. Gv = 40 dB, f = 1 kHz

Transfer Function

[w2 c

T = R

+ j ⋅ R2w c

(R2 + R3) (R1 + R3) + 1] / R1 [w2 c

(R1 − R2) / R1 [w2 c

(R2 + R3)2 + 1]

Cutoff Frequency

1/2

fc = {[−b ± (b a = 2c

∞

b = [3 (R2 + R3) (R3 + R1) − (R2 + R3)2 − (R3 + R1)2] c

− 4a)

(R2 + R3)2 (R3 + R1)

] / 2a} / 2π

Changing the value of each element to one shown in figure 2, will be as follows.

fc1 fc2

fc1 = 50 Hz, fc2 = 1300 Hz

PB-EQ Amp. Gain (f = 0, ∞)

f = 0

= R2 / R

G0 = 65.3 dB f = ∞ T

= R2 (R3 + R1) / R1 (R2 + R3)

∞

= 36.3 dB

∞

Figure 3 Cutoff Frequency of PB-EQ Amp.

Rev.1, Sep. 2000, page 7 of 14

HA12232FP

Test Circuit

DC +9V

SOURCE1

100µ

DC VM1

SW3

Lch

Rch

Noise

meter

Oscillo

Distortion

analyzer

SW2SW1

Lch

Rch

scope

RIP

1µ

AC VM2

R10

10k

−

EQOUT(R)

5 6 7

NFI(R)

PBIN(R)

2 3 4

VREF

330k

680

22µ

12k

0.01µ

180

10k

2.2µ

2. Capacitor tolerance ±1%

3. Unit R: Ω, C: F

9 8

NFI(L)

GND

EQOUT(L)

−

PBIN(L)

Lch

Rch

2.2µ R4

12k

0.01µ

180

680

22µ

330k

14 13 12 11

Rev.1, Sep. 2000, page 8 of 14

AC VM1

AUDIO SG

Notes: 1. Resistor tolerance ±1%

Characteristic Curves

HA12232FP

−40

3.0

2.5

(mA)

2.0

Quiescent Current I

1.5 5 6 14 15131211 1610987

Quiescent Current vs. Supply Voltage

Channel Separation vs. Frequency (L→R, R→L)

Supply Voltage (V)

−60

−80

−100

Channel Separation (dB)

−120

−140

10 100 100k10k1k

Frequency (Hz)

Rev.1, Sep. 2000, page 9 of 14

HA12232FP

EQ Gain (dB)

VCC = 9.0 V PBIN→EQOUT

10 100k10k1k100

1.0

EQ Amp. Gain vs. Frequency

Frequency (Hz)

Total Harmonic Distortion vs. Supply Voltage

100 Hz (30 kHz LPF) 1 kHz (400 Hz HPF + 30 kHz LPF) 10 kHz (400 Hz HPF + 80 kHz LPF)

PBIN→EQOUT Vout = 240 mVrms

0.1

T.H.D. (%)

0.01

0.001 56 14131211 161510987

Rev.1, Sep. 2000, page 10 of 14

Supply Voltage (V)

HA12232FP

10.0

PBIN→EQOUT V

1.0 0 dB = 60 mVrms

0.1

T.H.D. (%)

0.01

0.001

5.0

PBIN→EQOUT T.H.D. ≅ 1 %

4.0

Total Harmonic Distortion vs. Output Level

100 Hz (30 kHz LPF) 1 kHz (400 Hz HPF + 30 kHz LPF) 10 kHz (400 Hz HPF + 80 kHz LPF)

= 9.0 V

10 20 30−10 0

Output Level Vout (dB)

Signal Handling

100 Hz (30 kHz LPF) 1 kHz (400 Hz HPF + 30 kHz LPF) 10 kHz (400 Hz HPF + 80 kHz LPF)

3.0

Vomax (Vrms)

2.0

1.0

56 14131211 161510987

Supply Voltage (V)

Rev.1, Sep. 2000, page 11 of 14

HA12232FP

Noise Voltage Level Converted in Input vs. Supply Voltage

1.5 Rg = 680 Ω Din-Audio Filter

1.0

0.5

Noise Voltage Level Converted in Input (µVrms)

56 14131211 161510987

Supply Voltage (V)

Ripple Rejection Ratio vs. Frequency

−20

−40

Ripple Rejection Ratio R.R.R. (dB)

−60 10 100 100k10k1k

Frequency (Hz)

Rev.1, Sep. 2000, page 12 of 14

Package Dimensions

1.27

10.06

10.5 Max

1.42 Max

HA12232FP

Unit: mm

5.5

+ 0.20

7.80

– 0.30

2.20 Max *0.22 ± 0.05

1.15

0.20 ± 0.04

0˚ – 8˚

0.70 ± 0.20

*0.42 ± 0.08

0.40 ± 0.06

*Dimension including the plating thickness

Base material dimension

0.10 ± 0.10

0.15

0.12

Hitachi Code JEDEC EIAJ Mass

(reference value)

FP-14DA — Conforms

0.23 g

Rev.1, Sep. 2000, page 13 of 14

HA12232FP

Disclaimer

1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, in cluding intellectual property rights, in connection with u se of the information contained in this document.

2. Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use.

3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi’s sales office before using the product in an application that demands especially high quality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support.

4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating, operating supply voltage range, heat radiation characteristics, installation conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other consequential damage due to operation of the Hitachi product.

5. This product is not designed to be radiation resistant.

6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without written approval from Hitachi.

7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor products.

Sales Offices

Hitachi, Ltd.

Semiconductor & Integrated Circuits. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109

URL NorthAmerica : http://semiconductor.hitachi.com/

For further information write to:

Hitachi Semiconductor (America) Inc. 179 East Tasman Drive, San Jose,CA 95134 Tel: <1> (408) 433-1990 Fax: <1>(408) 433-0223

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Colophon 2.0

Rev.1, Sep. 2000, page 14 of 14

HIT HA12232FP Datasheet

Specifications and Main Features

Frequently Asked Questions

User Manual

Operating Voltage Range

Functional Description

Power Supply Range

Reference Voltage

Input Block Diagram and Lev e l Diagram

Cutoff Frequency, Gain of PB-EQ Amp.

Test Circuit

Characteristic Curves