AD9662ARQZ 데이터 시트보기 (PDF) - Analog Devices

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AD9662ARQZ

3-Channel Laser Diode Driver with Oscillator

Analog Devices 

AD9662

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

INR 1

IN2 2

GND 3

RF 4

IN3 5

OUTENR 6

OUTEN2 7

OUTEN3 8

AD9662

16 VCC

15 VCC

14 IOUT

13 GND

12 RS

11 ENABLE

10 OSCEN

9 VCC

Figure 2. Pin Configuration

Table 3. Pin Function Descriptions

Pin No. Mnemonic Description

1

INR

Input Current Pin for the Read Channel. Has a typical input impedance of 200 Ω.

2

IN2

Input Current Pin for Write Channel 2. Has a typical input impedance of 200 Ω.

3, 13

GND

Common External Ground Reference.

4

RF

Pin Used to Set Oscillator Frequency by Connecting a Resistor from This Pin to Ground.

5

IN3

Input Current Pin for Write Channel 3. Has a typical input impedance of 100 Ω.

6

OUTENR

TTL-Compatible Enable for the Read Channel. Logic low active.

7

OUTEN2

TTL-Compatible Enable for Write Channel 2. Logic low active.

8

OUTEN3

TTL-Compatible Enable for Write Channel 3. Logic low active.

9, 15, 16 VCC

10

OSCEN

Power Supply Pins for the AD9662. Each pin needs to be decoupled with a 0.1 μF capacitor to ground.

TTL-Compatible Enable for the Oscillator. Logic high active.

11

ENABLE

TTL-Compatible Enable for the Device. Logic high active.

12

RS

14

IOUT

Pin Used to Set Oscillator Amplitude by Connecting a Resistor from This Pin to Ground.

Output Current Pin. This pin is connected to the anode of a laser diode.

Rev. C | Page 6 of 16

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