ADMV7320 datasheet(6/29 Pages) AD

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ADMV7320

Data Sheet

Rev. C | Page 6 of 29

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

RFOUT

GND

IF_IP

IF_IN

GND

IF_QN

IF_QP

VGA_VG12

GND

VGA_VD12

ENV_DET

GND

VGA_CTL12

PORT 1

ADMV7320

TOP VIEW

(Not to Scale)

NOTES

1. EXPOSED PADS. THE EXPOSED GROUND PADS MUST BE CONNECTED

TO RF AND DC GROUND.

Figure 2. Pin Configuration

Table 4. Pin Function Descriptions

Pin No.

Mnemonic

Description

1, 6, 8, 12 to 15, 18, 23, 25, 27, 30 to 34, 36,

38, 39, 41, 43, 45, 47, 50

GND

Ground Connections. These pins must be connected to RF and dc ground.

IF_IP

Positive IF In Phase Input. This pin is dc-coupled. When operation to dc is not

required, block this pin externally using a series capacitor with a value chosen

to pass the necessary frequency range. For operation to dc, this pin must not

source or sink more than 3 mA of current or device malfunction and device

failure may result.

IF_IN

Negative IF In Phase Input. This pin is dc-coupled. When operation to dc is not

required, block this pin externally using a series capacitor with a value chosen

to pass the necessary frequency range. For operation to dc, this pin must not

source or sink more than 3 mA of current or device malfunction and device

failure may result.

IF_QN

Negative IF Quadrature Input. This pin is dc-coupled. When operation to dc is

not required, block this pin externally using a series capacitor with a value chosen

to pass the necessary frequency range. For operation to dc, this pin must not

source or sink more than 3 mA of current or device malfunction and device failure

may result.

IF_QP

Positive IF Quadrature Input. This pin is dc-coupled. When operation to dc is

not required, block this pin externally using a series capacitor with a value

chosen to pass the necessary frequency range. For operation to dc, this pin

must not source or sink more than 3 mA of current or device malfunction and

device failure may result.

VGA_VG12

Gate Control for the First and Second Stage Variable Gain Amplifier. See Figure 86

for the recommended external components.

VGA_VD12

Drain Voltage for the First and Second Stage Variable Gain Amplifier. See Figure 86

for recommended external components.

ENV_DET

Envelope Detector. See Figure 86 for the recommended external components.

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