Data Sheet

AD8318

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

analog.com

Rev. E | 7 of 24

Figure 3. Pin Configuration

Table 3. Pin Function Descriptions

Pin No.

Mnemonic

Description

1, 2, 11, 12

CMIP

Device Common (Input System Ground).

3, 4

VPSI

Positive Supply Voltage (Input System): 4.5 V to 5.5 V. Voltage on Pin 3, Pin 4, and Pin 9 should be equal.

5

CLPF

Loop Filter Capacitor.

6

VOUT

Measurement and Controller Output.

7

VSET

Setpoint Input for Controller Mode or Feedback Input for Measurement Mode.

8

CMOP

Device Common (Output System Ground).

9

VPSO

Positive Supply Voltage (Output System): 4.5 V to 5.5 V. Voltage on Pin 3, Pin 4, and Pin 9 should be equal.

10

TADJ

Temperature Compensation Adjustment.

13

TEMP

Temperature Sensor Output.

14

INHI

RF Input. Nominal input range: −60 dBm to 0 dBm (referenced to 50 Ω), ac-coupled.

15

INLO

RF Common for INHI. AC-coupled RF common.

16

ENBL

Device Enable. Connect to VPSI for normal operation. Connect pin to ground for disable mode.

EPAD

Internally Connected to CMIP (Solder to Ground).