ZL40515LDG datasheet, PDF - EEWORLD Datasheet

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ZL40515LDG: DescriptionDual Output DVD and CD 4 Channel Laser Diode Drivers; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size1MB，30 Pages; ManufacturerZarlink Semiconductor (Microsemi); Websitehttp://www.zarlink.com/

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ZL40515LDG Overview

Dual Output DVD and CD 4 Channel Laser Diode Drivers

ZL40515LDG Parametric

Parameter Name	Attribute value
Maker	Zarlink Semiconductor (Microsemi)
package instruction	VQCCN,
Reach Compliance Code	unknow
Interface integrated circuit type	INTERFACE CIRCUIT
JESD-30 code	S-PQCC-N24
JESD-609 code	e0
length	4 mm
Number of functions	1
Number of terminals	24
Package body material	PLASTIC/EPOXY
encapsulated code	VQCCN
Package shape	SQUARE
Package form	CHIP CARRIER, VERY THIN PROFILE
Certification status	Not Qualified
Maximum seat height	1 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
Terminal surface	TIN LEAD
Terminal form	NO LEAD
Terminal pitch	0.5 mm
Terminal location	QUAD
width	4 mm

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ZL40511/15

Dual Output DVD and CD

4 Channel Laser Diode Drivers

Data Sheet

Features

•

Single 5 V supply (±10%)

150 mA low-noise read channel with 100 x

current gain

Three 500 mA write channels with 240 x gain

Combined channel output 700 mA

Dual output for DVD/CD laser

Rise and fall times 1 ns typical

Oscillator, 500 MHz, 100 mA with external

resistor control of frequency and amplitude

Power Up/Down control

CMOS control signals

> 2 kV ESD

Low R

QFN package

Contact Zarlink for available Custom Gain and

Input Impedance options

ZL40511LDE

ZL40511LDF

ZL40511LDG

ZL40515LDE

ZL40515LDF

ZL40515LDG

August 2006

Ordering Information

24 Pin QFN

Tubes, Bake & Drypack

24 Pin QFN

Tape & Reel

24 Pin QFN

Trays, Bake & Drypack

24 Pin QFN

Tubes, Bake & Drypack

24 Pin QFN

Tape & Reel

24 Pin QFN

Trays, Bake & Drypack

-40°C to +85°C

Applications

•

DVD±RW/RAM

DVD±R

CD-RW

CD-R

Write optical drives

Laser Diode current switch

Supports double density DVD

PWR_UP

INR

GND

IN2

VCC_A

GND

IN3

OUTA

GND

IN4

GND

OUTB

GND_IN

/EN2

N/C

/EN3

GND

/EN4

N/C

VCC_IN

OSCEN

GND

VCC_B

RFA

RFB

RSA

RSB

SELA

Figure 1 - Functional Block Diagram

Zarlink Semiconductor Inc.

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

ZL40511/15

Table of Contents

Data Sheet

1.0 Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 Read and Write Channel Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2 On-chip RF Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.3 Thermal Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.4 Electrical and Optical Pulse Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.5 Specified Electrical Performance with 15 mm Interconnect and Zarlink ZLE40511/15 Evaluation Board. . 7

1.6 Application Layout Guide Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.7 ZLE40511 Interconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.0 Application Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.0 Evaluation Boards From Zarlink Semiconductor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4.0 Optical Pulse Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5.0 Pin List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6.0 Characteristic Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7.0 I/O Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8.0 Timing Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

9.0 Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

10.0 Example Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

10.1 Write Waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

10.2 Oscillator Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Zarlink Semiconductor Inc.

ZL40511/15

List of Figures

Data Sheet

Figure 1 - Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Figure 2 - Pinout of 4x4 mm 24 pin QFN (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Figure 2 - Pulse Response Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3 - ZLE40511 Application Board Electrical Interconnect. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 4 - Application Schematic Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 5 - Typical Optical Eye Diagram Response* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Figure 6 - Write Channel 2, 3 and 4 IP/OP Transfer Characteristic/Temp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 7 - Read Channel IP/OP Transfer Characteristic/Temp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 8 - Write Channel 2, 3 or 4 IP/OP Transfer Characteristic/Vcc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 9 - Write Channel 2, 3 or 4 IP/OP Best Fit Line% Error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 10 - Write Channel 2, 3 or 4

∆

lout% Variation with Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 11 - Write Channel 2, 3 or 4

∆

lout% Variation with Vcc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 12 - Oscillator Frequency/RF

Vcc = 5 V, Temp = 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 13 - losc Out/Frequency/

RS = 1 K, 7.5 K, 11 K, Vcc = 5 V, Temp = 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 14 - losc Amplitude mA pk-pk/RSA or RSB

Vcc = 5 V, Temp = 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 15 - losc/Frequency

RS = 7.5 K, Vcc = 5 V, Temp = 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 16 -

∆

Freq % Variation with Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 17 - Oscillator Noise Spectral Density

Vcc = 5 V, Temp = 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Figure 18 - CMOS/LVTTL Input (PWR_UP, OSCEN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 19 - Oscillator Resistors (RF, RS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 20 - Read Current Input (INR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 21 - Output (OUTA, OUTB). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 22 - Write Current Input (IN2, IN3, IN4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 23 - LVDS Input (EN2, /EN2), (EN3, /EN3), (EN4, /EN4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 24 - Timing of Read or Write Channels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 25 - Output Waveform Showing Addition of Read and Write Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 26 - Example of Write Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 27 - Example of Oscillator Waveform Superimposed on the Read Waveform . . . . . . . . . . . . . . . . . . . . . . 28

Zarlink Semiconductor Inc.

ZL40511/15

1.0

1.1

Data Sheet

Application Notes

Read and Write Channel Operation

The read channel is activated by applying a 'High' signal to the PWR_UP pin. In this mode, the fast write channels

can be enabled by applying a 'Low' signal to the respective write enable pins (/EN2), (/EN3) or (/EN4). The output

currents of the four channels are summed together and output as a composite signal at either OUTA (if SELA select

is 'High') or OUTB (if SELA select is 'Low'). This provides the ability to drive two different laser diodes with just one

ZL40511/15.

Voltage control of the channel reference inputs (INR, IN2, IN3 and IN4) can be achieved quite easily using an

external resistor R

ref

in series with the reference channel input to convert a given reference potential V

ref

to an input

current, I

ref

where R

is the input impedance of the respective reference channel.

1.2

On-chip RF Oscillator

An on-chip RF oscillator is enabled if OSCEN = 'High', and its output signal is added to the appropriate current

output (OUTA, if SELA select is 'High', or OUTB, if SELA select is 'Low'). The oscillator amplitude is set by an

external resistor from RSA or RSB to GND. Its frequency is set by an external resistor RFA or RFB to GND. RSA

and RFA are selected when SELA is ‘High’.

The oscillator signal is summed with the programmed Write and Read levels before amplification to the output. The

oscillator signal has zero DC level and +1_pt to –1_pt signal swing. Consequently, if the programmed DC level from

the Write and Read Channels is less than the PK level programmed for the Oscillator, the combined signal will be

clipped on the negative cycle of the signal. This will increase the harmonic content of the output signal and reduce

the pk to pk amplitude output.

1.3

Thermal Considerations

Package thermal resistance is 40°C/W under the EIA/JESD51-3 compliant PCB test board condition.

Users should ensure that the junction temperature does not exceed 150°C. Thermal resistance from junction to

case and to ambient is very much dependent on how the IC is mounted onto the board, on the PCB layout and on

any heat extraction arrangements.

Power consumption and system ambient operating temperature limits should be noted and careful thermal gradient

calculations undertaken to ensure that the junction temperature never exceeds 150°C.

Zarlink Semiconductor Inc.

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Maker	Zarlink Semiconductor (Microsemi)	-	Zarlink Semiconductor (Microsemi)	-	-	Zarlink Semiconductor (Microsemi)	Zarlink Semiconductor (Microsemi)	Zarlink Semiconductor (Microsemi)	Zarlink Semiconductor (Microsemi)
package instruction	VQCCN,	-	VQCCN,	-	-	VQCCN,	VQCCN,	VQCCN,	VQCCN,
Reach Compliance Code	unknow	-	unknow	-	-	unknow	unknow	unknow	unknow
Interface integrated circuit type	INTERFACE CIRCUIT	-	INTERFACE CIRCUIT	-	-	INTERFACE CIRCUIT	INTERFACE CIRCUIT	INTERFACE CIRCUIT	INTERFACE CIRCUIT
JESD-30 code	S-PQCC-N24	-	S-PQCC-N24	-	-	S-PQCC-N24	S-PQCC-N24	S-PQCC-N24	S-PQCC-N24
JESD-609 code	e0	-	e0	-	-	e0	e0	e0	e0
length	4 mm	-	4 mm	-	-	4 mm	4 mm	4 mm	4 mm
Number of functions	1	-	1	-	-	1	1	1	1
Number of terminals	24	-	24	-	-	24	24	24	24
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY	-	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	VQCCN	-	VQCCN	-	-	VQCCN	VQCCN	VQCCN	VQCCN
Package shape	SQUARE	-	SQUARE	-	-	SQUARE	SQUARE	SQUARE	SQUARE
Package form	CHIP CARRIER, VERY THIN PROFILE	-	CHIP CARRIER, VERY THIN PROFILE	-	-	CHIP CARRIER, VERY THIN PROFILE	CHIP CARRIER, VERY THIN PROFILE	CHIP CARRIER, VERY THIN PROFILE	CHIP CARRIER, VERY THIN PROFILE
Certification status	Not Qualified	-	Not Qualified	-	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1 mm	-	1 mm	-	-	1 mm	1 mm	1 mm	1 mm
Maximum supply voltage	5.5 V	-	5.5 V	-	-	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage	4.5 V	-	4.5 V	-	-	4.5 V	4.5 V	4.5 V	4.5 V
Nominal supply voltage	5 V	-	5 V	-	-	5 V	5 V	5 V	5 V
surface mount	YES	-	YES	-	-	YES	YES	YES	YES
Terminal surface	TIN LEAD	-	TIN LEAD	-	-	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD
Terminal form	NO LEAD	-	NO LEAD	-	-	NO LEAD	NO LEAD	NO LEAD	NO LEAD
Terminal pitch	0.5 mm	-	0.5 mm	-	-	0.5 mm	0.5 mm	0.5 mm	0.5 mm
Terminal location	QUAD	-	QUAD	-	-	QUAD	QUAD	QUAD	QUAD
width	4 mm	-	4 mm	-	-	4 mm	4 mm	4 mm	4 mm

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