STW81103 Просмотр технического описания (PDF) - STMicroelectronics

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производитель

STW81103

Multi-band RF frequency synthesizer with integrated VCOs

STMicroelectronics 

STW81103

1.2

Pin configuration

Figure 2. Pin connection (top view)

Block diagram and pin configuration

VDD_VCOA

VDD_DIV2

VDD_OUTBUF

OUTBUFP

OUTBUFN

VDD_DIV4

VDD_VCOB

QFN 28

DBUS_SEL

VDD_BUFVCO

EXTVCO_INP

EXTVCO_INN

VDD_PLL

REF_CLK

TEST2

Table 1. Pin description

Pin No

Name

Description

1 VDD_VCOA

VCO A power supply

2 VDD_DIV2

Divider by 2 power supply

3 VDD_OUTBUF Output buffer power supply

4 OUTBUFP

LO buffer positive output

5 OUTBUFN

LO buffer negative output

6 VDD_DIV4

Divider by 4 power supply

7 VDD_VCOB

8 VDD_ESD

VCO B power supply

ESD positive rail power supply

9 VCTRL

VCO control voltage

Observation

Open collector

Open collector

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