AN8813NSB [PANASONIC]

4-channel driver IC for optical disk drive; 4通道驱动器IC，适用于光盘驱动器


型号：	AN8813NSB
厂家：	PANASONIC
描述：	4-channel driver IC for optical disk drive 4通道驱动器IC，适用于光盘驱动器驱动器
文件：	总5页 (文件大小：55K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

ICs for Compact Disc/CD-ROM Player

AN8813NSB

4-channel driver IC for optical disk drive

■ Overview

The AN8813NSB is a 4-channel driver IC of the

BTL method. Ch.1 is used only for the loading

Unit: mm

18.4±0.2

(5.15)

(4.8)

motor with little gain dispersion.

(1.315)

■ Features

• For the loading motor channel, there are 4 modes,

that is, forward rotation, reverse rotation, brake

and standby modes, and you can select a mode

among them. The gain of it is fixed to 6 dB (±0.5

dB) with a small dispersion among the products.

• 3.3 V supply voltage is available due to an exter-

nal PNP-tr.

0° to 10°

0.65±0.20

+0.10

0.35

–0.05

(1.2)

(6.4)

• Driver I/O gain setting is possible with an addi-

tional external resistor

0.8

Seating plane

HSOP042-P-0400

• Since the output and input lines are separated and

respectively collected together, pattern designing

is relatively easy.

■ Applications

• CD/CD-ROM drive

• DVD/DVD-ROM drive

■ Block Diagram

PV_CC

SV_CC

detector

SV_CC

Thermal

protection

circuit

Direction Direction Direction Direction

detector detector detector changeover

Fin

GND

V_REF

3.3 V

reg.

Decoder

AN8813NSB

ICs for Compact Disc/CD-ROM Player

■ Pin Descriptions

Pin No.

Description

Pin No.

Description

Motor driver-2 reverse rotation output pin

Motor driver-2 forward rotation output pin

Motor driver-1 reverse rotation output pin

Motor driver-1 forward rotation output pin

Driver GND pin 1 (PGND1)

Base control pin for an external transistor

of 3.3 V regulator

3.3 V regulator output monitor pin

N.C. pin

Motor driver-4 input pin

Motor driver-4 control pin 1

Motor driver-4 control pin 2

Driver power supply pin 1 (PV_CC1

1/2 PV_CCoutput pin 1

Op-amp. non-inverted input pin

Op-amp. inverted input pin

Op-amp. output pin

)

Power supply pin (SV_CC

1/2 PV_CCoutput pin 2

)

Driver power supply pin 2 (PV_CC2

)

Driver GND pin 2 (PGND2)

Motor driver-1 input pin

Motor driver-2 input pin

Motor driver-3 input pin

V_REFinput pin

Motor driver-4 reverse rotation output pin

Motor driver-4 forward rotation output pin

Motor driver-3 reverse rotation output pin

Motor driver-3 forward rotation output pin

Fin

GND pin

■ Absolute Maximum Ratings

Parameter

Symbol

SV_CC

I_CC

Rating

Unit

Supply voltage

Supply current

°C

Power dissipation ^*

P_D

542

Operating ambient temperature ^*

T_opr

−30 to +85

−55 to +150

Storage temperature ^*

T_stg

°C

Note) 1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for T = 25°C.

2: T = 85°C. For the independent IC without a heat sink.

Referring to "■ Application Circuit Example", following the allowable power dissipation characteristic curve of "■

Application Notes".

■ Recommended Operating Range

Parameter

Symbol

SV_CC, PV_CC1, PV_CC2

Range

Unit

Supply voltage

4.5 to 14

ICs for Compact Disc/CD-ROM Player

AN8813NSB

■ Electrical Characteristics at T_a= 25°C

Parameter

Symbol

Conditions

Min

Typ Max

Unit

Current consumption with no load

I_TOT

V_CC= 8 V, V_IN4= 1 V

Motor driver 1 to motor driver 3

Input offset voltage

V_IOFV_CC= 8 V, R_L1to R_L3= 8 Ω,

R₁to R₃= 10 kΩ

−10

−50

Output offset voltage

Gain

V_OOFV_CC= 8 V, R_L1to R_L3= 8 Ω,

R₁to R₃= 10 kΩ

V_CC= 8 V, R_L1to R_L3= 8 Ω,

R₁to R₃= 10 kΩ

18.0 20.0 22.0

Maximum output amplitude (+)

Maximum output amplitude (−)

V_L+

V_L−

V_CC= 8 V, R_L1to R_L3= 8 Ω,

R₁to R₃= 10 kΩ

4.4

5.0

V_CC= 8 V, R_L1to R_L3= 8 Ω,

R₁to R₃= 10 kΩ

−5.0 −4.4

Motor driver 4

For loading motor

Input bias current

Forward rotation gain

I_IN4

G₄₊

V_CC= 8 V, V_IN4= 1 V

150

5.5

500

6.0

V_IN4= 1 V, V_CC= 8 V

R_L4= 8 Ω, V_MC= 5 V

5.0

4.4

Reverse rotation gain

G₄₋

V_IN4= 1 V, V_CC= 8 V

R_L4= 8 Ω, V_MC= 5 V

5.5

5.0

6.0

Maximum output amplitude (+) V_4L+V_IN4= 4 V, V_CC= 8 V

R_L4= 8 Ω, V_MC= 5 V

Maximum output amplitude (−) V_4L−V_IN4= 4 V, V_CC= 8 V

R_L4= 8 Ω, V_MC= 5 V

−5.0 −4.4

Output leak current at standby I_OL(STB)V_IN4= 1 V, V_CC= 8 V

R_L4= 8 Ω, V_MC= 5 V

µA

Output offset voltage at braking V_OF(BRK)V_IN4= 1 V, V_CC= 8 V

R_L4= 8 Ω, V_MC= 5 V

−80

MC1 pin, MC2 pin

high-level threshold voltage

V_MCHV_IN4= 1 V, V_CC= 8 V

R_L4= 8 Ω

2.0

MC1 pin, MC2 pin

low-level threshold voltage

V_MCLV_IN4= 1 V, V_CC= 8 V

R_L4= 8 Ω

0.3

Reset circuit

Reset operation release supply

voltage

V_RSTI_IN= 10 µA, R₁to R₃= 10 kΩ

3.0

3.2

3.3

3.3 V regulator

Output voltage

V_REGV_CC= 8 V

3.1

−50

−5

3.3

3.5

Output load fluctuation

Supply voltage fluctuation

Op-amp.

∆V_RV_CC= 8 V

∆V_VV_CC= 8 V to 12 V

Input offset voltage

Input bias current

V_OF

I_BOP

V_CC= 8 V

−5

150

500

AN8813NSB

ICs for Compact Disc/CD-ROM Player

■ Electrical Characteristics at T_a= 25°C (continued)

Parameter

Symbol

Conditions

Min

Typ Max

Unit

OP-amp. (continued)

High-level output voltage

Low-level output voltage

Output driving current sink

Output driving current source

V_OHV_CC= 8 V

6.0

V_OL

I_SIN

V_CC= 8 V

1.7

2.0

I_SOUV_CC= 8 V

• Design reference data

Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.

Parameter

Symbol

Conditions

Min

Typ Max

Unit

Thermal protection circuit

Operating temperature

equilibrium value

T_THD

180

°C

Operating temperature

hysteresis width

∆T_THD

Motor driver 4

IN4 pin input setting range

V_IN4

0.5

2.5

■ Usage Notes

1. This IC has no output short-circuit protection circuit and is likely to emit smoke and break down when there is a

short-circuit between output and V_CCor output and GND.

2. An appropriate prior study should be done for use of dip soldering.

■ Application Notes

• P_D

T_acurves of HSOP042-P-0400

P_D

T_a

2.500

2.240

2.000

Mounted on standard board

(glass epoxy:

75 mm × 75 mm × t1.6 mm)

R_th(j-a)= 55.8°C/W

1.500

1.042

1.000

Independent IC

without a heat sink

R_th(j-a)= 119.9°C/W

0.500

0.000

100

125

150

Ambient temperature T_a(°C)

ICs for Compact Disc/CD-ROM Player

AN8813NSB

■ Application Circuit Example

RL1

RL2

V_REF

V₃

V₂

V₁

PV_CC1

R3 R2

5 V

PV_CC2

SV_CC

RL4

RL3

V₄

When the AN8813NSB is use, take into account the following cautions and follow the power dissipation characteristic curve.

1. Load current I_P1flowing into load RL1, RL2 is supplied through pin 20.

| V₁₈−V₁₇

| V₁₆−V₁₅|

I_P1

R_L1

R_L2

2. Load current I_P2flowing into load RL3, RL4 is supplied through pin 9.

| V₁₄−V₁₃

| V₁₂−V₁₁|

I_P2

R_L3

R_L4

3. Dissipation increase (∆P_D) inside the IC (power output stage) caused by loads RL1, RL2, RL3 and RL4 is as follows:

| V₁₈−V₁₇

R_L1

| V₁₄−V₁₃

R_L3

| V₁₆−V₁₅

R_L2

| V₁₂−V₁₁

R_L4

∆P_D= (PV_CC1− | V₁₈−V₁₇|) ×

= (PV_CC2− | V₁₄−V₁₃|) ×

+ (PV_CC1− | V₁₆− V₁₅|) +

+ (PV_CC2− | V₁₂− V₁₁|) ×

4. Dissipation increase (∆P_S) inside the IC (signal block supplied from pin 7) caused by loads RL1, RL2, RL3 and RL4

comes roughly as follows:

V₁

R₁

V₂

R₂

∆P_S= 3 × {

× (2 × SV_CC+ | V₁₈−V₁₇|) +

× (2 × SV_CC+ | V₁₆−V₁₅|)

V₃

V₄

R₄

× (2 × SV_CC+ | V₁₄−V₁₃|)} +

× (3 × SV_CC+ | V₁₂−V₁₁|), where R₄: Internal resistor 12.3 kΩ

R₃

5. Dissipation increase in a driver operating mode is ∆P_D+ ∆P_S.

6. Allowable power dissipation without load (P_D1) can be found as follows:

_D1= SV_CC× I_(SVCC)+PV_CC1× I_(PVCC1)+ PV_CC2× I_(PVCC2)

7. Allowable power dissipation in a load operating mode (P_D) comes roughly as follows:

P_D= P_D1+ ∆P_D+ ∆P_S

AN8813NSB [PANASONIC]

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