AD9662

Rev. C | Page 6 of 16

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

AD9662

INR

1

IN2

2

GND

3

GND

16

15

14

13

IN3

5

OUTENR

6

OUTEN2

7

OUTEN3

8

ENABLE

OSCEN

12

11

10

9

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

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

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

10

OSCEN

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

11

ENABLE

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

12

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

14

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