AD8331ARQZ-R7 datasheet(11/40 Pages) AD

11 / 40 page

AD8331/AD8332/AD8334

Rev. E | Page 11 of 40

Pin No.

Mnemonic

Description

HILO

Gain Select for Postamp 0 dB or 12 dB

VCM4

CH4 Common-Mode Voltage—AC Bypass

VCM3

CH3 Common-Mode Voltage—AC Bypass

No Connect

COM34

VGA Ground, CH3 and CH4

VOH4

CH4 Positive VGA Output

VOL4

CH4 Negative VGA Output

VPS34

VGA Supply 5V CH3 and CH4

VOL3

CH3 Negative VGA Output

VOH3

CH3 Positive VGA Output

COM34

VGA ground CH3 and CH4

No Connect

MODE

Gain Control SLOPE, Logic Input, 0 = Positive

COM12

VGA Ground CH1 and CH2

VOH2

CH2 Positive VGA Output

VOL2

CH2 Negative VGA Output

VPS12

CH2 VGA Supply 5 V CH1 and CH2

VOL1

CH1 Negative VGA Output

VOH1

CH1 Positive VGA Output

COM12

VGA Ground CH1 and CH2

VCM2

CH2 Common-Mode Voltage—AC Bypass

VCM1

CH1 Common-Mode Voltage—AC Bypass

EN34

Shared LNA/VGA Enable, CH3 and CH4

EN12

Shared LNA/VGA Enable, CH1 and CH2

CLMP12

Output Clamping Level Input, CH1 and CH2

GAIN12

Gain Control Voltage CH1 and CH2

VPS1

CH1 LNA Supply 5 V

VIN1

CH1 VGA Negative Input

VIP1

CH1 VGA Positive Input

LOP1

CH1 LNA Positive Output

LON1

CH1 LNA Feedback Output (for RFBK)

COM1X

CH1 LNA Ground Shield

LMD1

CH1 LNA VMID Bypass (AC-Coupled to GND)

INH1

CH1 LNA Input

COM1

CH1 LNA Ground

COM2

CH2 LNA Ground

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