AD8344 Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Fabricante

AD8344

Active Receive Mixer 400 MHz to 1.2 GHz

Analog Devices 

AD8344

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

12 11 10

COMM 13

9

8 COMM

RFCM 14

7 IFOP

RFIN 15

6 IFOM

VPMX 16

5 COMM

1

2

3

4

Figure 2. 16-Lead LFCSP

Table 4. Pin Function Descriptions

Pin No.

Mnemonic Function

1

VPLO

Positive Supply Voltage for the LO Buffer: 4.75 V to 5.25 V.

2

LOCM

AC Ground for Limiting LO Amplifier, AC-Coupled to Ground.

3

LOIN

LO Input. Nominal input level 0 dBm, input level range −10 dBm to +4 dBm, re: 50 Ω, ac-coupled.

4, 5, 8, 9, 13 COMM

Device Common (DC Ground).

6, 7

IFOM, IFOP Differential IF Outputs; Open Collectors, Each Requires DC Bias of 5.00 V (Nominal).

10

EXRB

Mixer Bias Voltage, Connect Resistor from EXRB to Ground, Typical Value of 2.43 kΩ

Sets Mixer Current to Nominal Value. Minimum resistor value from EXRB to ground = 2.4 kΩ.

11

PWDN

Connect to Ground for Normal Operation. Connect pin to VS for disable mode.

12

VPDC

Positive Supply Voltage for the DC Bias Cell: 4.75 V to 5.25 V.

14

RFCM

AC Ground for RF Input, AC-Coupled to Ground.

15

RFIN

RF Input. Must be ac-coupled.

16

VPMX

Positive Supply Voltage for the Mixer: 4.75 V to 5.25 V.

Rev. 0 | Page 6 of 20

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