AD8340(2004) Просмотр технического описания (PDF) - Analog Devices

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AD8340
(Rev.:2004)

700 MHz to 1000 MHz RF Vector Modulator

Analog Devices 

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

AD8340

QFLP 1

QFLM 2

QBBP 3

QBBM 4

VPS2 5

VPS2 6

PIN 1

INDICATOR

AD8340

TOP VIEW

(Not to Scale)

18 IFLP

17 IFLM

16 IBBP

15 IBBM

14 VPS2

13 DSOP

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

Figure 2. 24-Lead Lead Frame Chip Scale Package (LFCSP)

Function

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 − 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.

Rev. 0 | Page 5 of 20

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