Data Sheet

ADRF6510

Rev. B | Page 7 of 32

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

VPSD

COMD

LE

CLK

DATA

SDO

COM

VPS

OPP1

OPM1

COM

GAIN

VOCM

COM

OPM2

OPP2

NOTES

1. CONNECT THE EXPOSED PADDLE TO

A LOW IMPEDANCE GROUND PAD.

24

23

22

21

20

19

18

17

1

2

3

4

5

6

7

8

ADRF6510

TOP VIEW

(Not to Scale)

Figure 4. Pin Configuration

Table 3. Pin Function Descriptions

Pin No.

Mnemonic

Description

1

VPSD

Digital Positive Supply Voltage: 4.75 V to 5.25 V.

2

COMD

Digital Common. Connect to external circuit common using the lowest possible impedance.

3

LE

4

CLK

5

DATA

6

SDO

7, 9, 13, 19, 22, 28

COM

Analog Common. Connect to external circuit common.

8, 12, 16, 25, 29

VPS

Analog Positive Supply Voltage: 4.75 V to 5.25 V.

10, 11, 30, 31

INP2, INM2,

INM1, INP1

Differential Inputs. 400 Ω input impedance. Common-mode range is 1.5 V to 2.5 V; default is 2.1 V.

14

OFDS

Offset Correction Loop Disable. Pull high to disable the offset correction loop.

15, 26

OFS2, OFS1

Offset Correction Loop Compensation Capacitors. Connect capacitors to circuit common.

17, 18, 23, 24

OPP2, OPM2,

OPM1, OPP1

Differential Outputs. 20 Ω output impedance. Common-mode range is 1.5 V to 3 V; default is VPS/2.

20

VOCM

Output Common-Mode Setpoint. Defaults to VPS/2 if left open.

21

GAIN

Analog Gain Control. 0 V to 2 V, 30 mV/dB gain scaling.

27

GNSW

Front-End Gain Switch, 6 dB or 12 dB. Pull low for 6 dB; pull high for 12 dB.

32

ENBL

Chip Enable. Pull high to enable.

EP

Exposed Paddle. Connect the exposed paddle to a low impedance ground pad.