Datasheet > AD9664ACPDNZ-REEL

AD9664ACPDNZ-REEL

更新时间： 2024-11-11 19:42:39

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管
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2页	85K
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AD9664ACPDNZ-REEL

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AD9664ACPDNZ-REEL 数据手册

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4-Channel LVDS Dual-Output

Laser Diode Driver with Oscillator

AD9664

FUNCTIONAL BLOCK DIAGRAM

FEATURES

W3SET

WRITE

Dual-current controlled output current sources with 4 input

channels

W3DIS

CHANNEL 3

W3DISN

TTL selectable output

Stable on-chip oscillators with independent frequency and

amplitude control

W2SET

WRITE

OUTPUT A

OUTPUT B

ENABLE

LD1

LD2

W2DIS

CHANNEL 2

W2DISN

TTL or LVDS selectable write channel enables

Independent TTL oscillator enable

150 mA minimum output current for Read Channel

325 mA minimum output current for Write Channel 1

250 mA minimum output current for Write Channel 2

150 mA minimum output current for Write Channel 3

Rise time/fall time of ≤0.8 ns

W1SET

W1DIS

W1DISN

WRITE

CHANNEL 1

RSET

RDIS

READ CHANNEL

Low output overshoot

OSCEN

OSCILLATOR

Low power consumption

Single 5 V power supply ( 10%)

INS OUTSEL

AADJ2

FADJ1 FADJ2 AADJ1

APPLICATIONS

Figure 1. 4-Channel LVDS Laser Driver Block Diagram

DVD-R, DVD+R, DVD-RW, DVD+RW, DVD-RAM

supercombo drives

MO drives

Laser diode current switching

GENERAL DESCRIPTION

W3DISN

W3DIS

GND

24 INS

The AD9664 is a laser diode driver for high performance

CD-RW and DVD recordable drives. It includes four channels

for four different optical power levels: the Read Channel gener-

ates a continuous output power level, whereas Channel 1,

Channel 2, and Channel 3 can be used as write channels that

can be controlled with an LVDS or TTL interface. The OSCEN

pin is controlled by a TTL signal. All channels are summed at

the selected LD output pin where Write Channel 1 can contrib-

ute a minimum 325 mA maximum output current, and

Write Channel 2 and Write Channel 3 can contribute a mini-

mum of 250 mA and 150 mA, respectively. The level of the out-

put current is set by an external resistor, which converts this

voltage into a current at the xSET pin.

23 LVDD

22 LD1

21 LD1

20 GND

19 LD2

18 LD2

17 LVDD

AD9664

LFCSP

5mm × 5mm

(Not to Scale)

GND

W2DISN

W2DIS

W1DISN

W1DIS

Figure 2. 4-Channel LVDS Laser Driver Pin Configuration

For more information about the AD9664, contact Analog Devices

at high_current_drivers.com@analog.com.

An on-chip oscillator is provided to allow output current

modulation and to reduce laser mode hopping. Four external

resistors permit the setting of two distinct values for the

frequency and swing of the oscillator. The oscillator can output

up to 100 mA p-p of current (push-pull oscillator) with a

frequency range of 200 MHz to 500 MHz.

Rev. SpA

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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与AD9664ACPDNZ-REEL相关器件

型号	品牌	获取价格	描述	数据表
AD9665	ADI	获取价格	4-Channel, LVDS, Dual-Output, Laser Diode Driver with Oscillator
AD9665ACPZ-REEL	ADI	获取价格	4-Channel, LVDS, Dual-Output, Laser Diode Driver with Oscillator
AD9665ACPZ-REEL7	ADI	获取价格	4-Channel, LVDS, Dual-Output, Laser Diode Driver with Oscillator
AD96685	ADI	获取价格	Ultrafast Comparators
AD96685_01	ADI	获取价格	Ultrafast Comparators
AD96685_15	ADI	获取价格	Ultrafast Comparators
AD96685BH	ADI	获取价格	Ultrafast Comparators
AD96685BH	ROCHESTER	获取价格	COMPARATOR, 3000uV OFFSET-MAX, MBCY10, METAL CAN, TO-100, 10 PIN
AD96685BP	ADI	获取价格	Ultrafast Comparators
AD96685BP-REEL	ADI	获取价格	Ultrafast Comparators

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