Preliminary Technical Data

ADN2821

PAD DESCRIPTIONS

Table 3.

Pad No.

Pad

Function

1

GND

Ground (input return)

2

IN

Current input. Bond directly to PD anode.

3

TEST

Test probe Pad. Leave Floating.

4

FILTER

Filter Output.

5

FILTER

Filter Output.

6

GND

Ground

7

RSSI

Voltage Output (provides average input current reading)

8

CAP

Low Frequency set point. Connect with .5nF capacitance to GND for <30kHz

9

GND

Ground

10

GND

Ground (output return)

11

OUTB

Negative Output. Drives 50 ohm termination (AC or DC termination)

12

OUT

Positive Output. Drives 50 ohm termination (AC or DC termination)

13

GND

Ground (output return)

14

GND

Ground

15

VCCFILTER

Filter Supply. Connect to Vcc to enable on-chip 200 ohm*20pf Filter.

16

VCC

3.3 V positive Supply. Recommended bypass to GND is 100 pF RF capacitor.

17

VCC

3.3 V positive Supply. Recommended bypass to GND is 100 pF RF capacitor.

B

FI LT ER

RSSI