CXB1575AQ Просмотр технического описания (PDF) - Sony Semiconductor

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CXB1575AQ

155Mbps Clock & Data Recoverywith High Sensitivity Limiting Amplifier

Sony Semiconductor 

CXB1575AQ

Typical pin

Pin No. Symbol voltage (V)

DC AC

25 LPFA 3.1

26 LPFB 3.1

27 VEEP2 0

28 NC

29, 30 VEEP1 0

31 REXT 0.4

Equivalent circuit

VCCP

25

26

VEEP2

VEEP1

Bias

Generator

VCCP

31

VEEP2

Description

Connect an external loop filter

capacitor.

Typically 0.68µF (155.52Mbps).

Ground for PLL circuits.

No connect

Ground for PLL circuits.

Both VEEP1 and VEEP2 must be

grounded.

Connect to VEEP1 through an

external resistor to determine

VCO frequency.

Typically 1.8kΩ.

0.2

32 LKDT

to

3.1

35

35 EXCK 1.3

VCCG

32

VEEG

VCCG

VEEG

Lock detector (TTL).

Driven low, while synchronization

is lost.

External clock input (ECL).

For testing only.

Normally, left open.

–5–

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