AD8340 Просмотр технического описания (PDF) - Analog Devices

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AD8340

700 MHz to 1000 MHz RF Vector Modulator

Analog Devices 

Data Sheet

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

QFLP 1

QFLM 2

QBBP 3

QBBM 4

VPS2 5

VPS2 6

AD8340

TOP VIEW

(Not to Scale)

18 IFLP

17 IFLM

16 IBBP

15 IBBM

14 VPS2

13 DSOP

AD8340

Table 3. Pin Function Descriptions

Pin No.

Mnemonic

1; 2

QFLP; QFLM

3; 4

5, 6, 14; 19, 24

7, 8, 11, 12; 20, 23

9; 10

13

15; 16

17; 18

QBBP; QBBM

VPS2; VPRF

CMOP; CMRF

RFOP; RFOM

DSOP

IBBM; IBBP

IFLM; IFLP

21; 22

RFIM; RFIP

EPAD

NOTES

1. THE EXPOSED PAD MUST BE CONNECTED TO GROUND

VIA A LOW IMPEDANCE PATH.

Figure 2. Pin Configuration

Description

Q Baseband Input Filter Pins. Connect optional capacitor to reduce Q baseband channel low-pass

corner frequency.

Q Channel Differential Baseband Inputs.

Positive Supply Voltage, 4.75 V to 5.25 V.

Device Common. Connect via lowest possible impedance to external circuit common.

Differential RF Outputs. Must be ac-coupled. Differential impedance 50 Ω nominal.

Output Disable. Pull high to disable output stage.

I Channel Differential Baseband Inputs.

I Baseband Input Filter Pins. Connect optional capacitor to reduce I baseband channel low-pass

corner frequency.

Differential RF Inputs. Must be ac-coupled. Differential impedance 50 Ω nominal.

Exposed Pad. The exposed pad must be connected to ground via a low impedance path.

Rev. C | Page 5 of 20

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