AD9510SLASHPCB datasheet(20/60 Pages) AD

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AD9510

Rev. A | Page 20 of 60

Table 13. Pin Function Descriptions

Pin No.

Mnemonic

Description

REFIN

PLL Reference Input.

REFINB

Complementary PLL Reference Input.

3, 7, 8, 12, 22,

27, 32, 49, 50,

55, 62

GND

Ground.

4, 9, 13, 23, 26,

30, 31, 33, 36,

37, 40, 41, 44,

45, 48, 51, 52,

56, 59, 60, 64

Power Supply (3.3 V) VS.

VCP

Charge Pump Power Supply VCPS. It should be greater than or equal to VS. VCPS may be set as high as 5.5 V

for VCOs requiring extended tuning range.

Charge Pump Output.

CLK2

Clock Input Used to Connect External VCO/VCXO to Feedback Divider, N. CLK2 also drives the distribution

section of the chip and may be used as a generic clock input when PLL is not used.

CLK2B

Complementary Clock Input Used in Conjunction with CLK2.

CLK1

Clock Input that Drives Distribution Section of the Chip.

CLK1B

Complementary Clock Input Used in Conjunction with CLK1.

FUNCTION

Multipurpose Input May Be Programmed as a Reset (RESETB), Sync (SYNCB), or Power-Down (PDB) Pin.

This pin is internally pulled down by a 30 kΩ resistor. If this pin is left NC, the part is in reset by default.

To avoid this, connect this pin to VS with a 1 kΩ resistor.

STATUS

Output Used to Monitor PLL Status and Sync Status.

SCLK

Serial Data Clock.

SDIO

Serial Data I/O.

SDO

Serial Data Output.

CSB

Serial Port Chip Select.

OUT7B

Complementary LVDS/Inverted CMOS Output.

OUT7

LVDS/CMOS Output.

OUT3B

Complementary LVPECL Output.

OUT3

LVPECL Output.

OUT2B

Complementary LVPECL Output.

OUT2

LVPECL Output.

OUT6B

Complementary LVDS/Inverted CMOS Output. OUT6 includes a delay block.

OUT6

LVDS/CMOS Output. OUT6 includes a delay block.

OUT5B

Complementary LVDS/Inverted CMOS Output. OUT5 includes a delay block.

OUT5

LVDS/CMOS Output. OUT5 includes a delay block.

OUT4B

Complementary LVDS/Inverted CMOS Output.

OUT4

LVDS/CMOS Output.

OUT1B

Complementary LVPECL Output.

OUT1

LVPECL Output.

OUT0B

Complementary LVPECL Output.

OUT0

LVPECL Output.

RSET

Current Set Resistor to Ground. Nominal value = 4.12 kΩ.

CPRSET

Charge Pump Current Set Resistor to Ground. Nominal value = 5.1 kΩ.

Note that the exposed paddle on this package is an electrical connection as well as a thermal enhancement. For the device to

function properly, the paddle must be attached to ground, GND.

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