2

ATR0797

4665D–SIGE–08/04

Pin Configuration

Figure 2. Pinning

BBQP

BBQN

VCC

LOP

LON

GND

VCC

IFN

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

BBIN

BBIP

VCC

GC2

GC1

GND

VCC

IFP

Pin Description

Pin

Symbol

Function

1

BBIN

Baseband I-axis negative output, self biasing

2

BBIP

Baseband I-axis positive output, self biasing

3

VCC

5 V power supply

4

GC2

Gain control input, stage 2, 5 V CMOS levels

5

GC1

Gain control input, stage 1, 5 V CMOS levels

6

GND

Ground

7

VCC

5 V power supply

8

IFP

IF positive input, self biasing, AC-coupled

9

IFN

IF negative input, self biasing, AC-coupled

10

VCC

5 V power supply

11

GND

Ground

12

LON

Local oscillator, negative input, self biasing, AC-coupled

13

LOP

Local oscillator, positive input, self biasing, AC-coupled

14

VCC

5 V power supply

15

BBQN

Baseband Q-axis negative output, self biasing

16

BBQP

Baseband Q-axis positive output, self biasing