Datasheet > SP5769AKG

SP5769AKG

更新时间： 2024-02-28 09:07:51

品牌	Logo	应用领域
MITEL		/
页数	文件大小	规格书
11页	226K
描述
3GHz I2C Bus Synthesiser

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SP5769AKG 数据手册

SP5769

3GHz I²C Bus Synthesiser

Preliminary information

DS4878 Issue 4.0 October 1999

Features

Ordering Information

G Complete 3·0 GHz Single Chip System

G Optimised for Low Phase Noise, with Comparison

Frequencies up to 4 MHz

SP5769A/KG/MP1S (Tubes)

SP5769A/KG/MP1T (Tape and Reel)

SP5769A/KG/QP1S (Tubes)

G No RF Prescaler

SP5769A/KG/QP1T (Tape and Reel)

G Selectable Reference Division Ratio

G Selectable Reference/Comparison Frequency Output

G Selectable Charge Pump Current with 10:1 Ratio

G Four Selectable I²C Addresses

size equal to the loop comparison frequency and no

prescaler phase noise degradation over the full RF

operating range. The comparison frequency is obtained

either from an on-chip crystal controlled oscillator, or from

an external source. The oscillator frequency, f_REF, or phase

comparator frequency, f_COMP, can be switched to the REF/

COMP output providing a reference for a second frequency

synthesiser. The synthesiser is controlled via an 1²C bus

G I²C Fast Mode Compliant with 3·3V and 5V Logic Levels

G Four Switching Ports

G Functional Replacement for SP5659 (except ADC)

G Pin Compatible with SP5655

G Power Consumption 110mW with V_CC= 5·5V, all Ports off

G ESD Protection 2kV min., MIL-STD-883B Method 3015

Cat.1 (Normal ESD handling procedures should be

observed)

Absolute Maximum Ratings

All voltages are referred to V_EE= 0V

Supply voltage, V_CC

0·3V to 17V

2·5Vp-p

20·3 to V_CC10·3V

20·3 to 6V

Applications

RF differential input voltage

All I/O port DC offsets

SDA and SCL DC offset

Storage temperature

Junction temperature

MP16 thermal resistance

Chip to ambient, θ_JA

Chip to case, θ_JC

G Digital Satellite and Cable Tuning Systems

G Communications Systems

255°C to 1125°C

The SP5769 is a single chip frequency synthesiser

designed for tuning systems up to 3GHz. The RF

preamplifier interfaces direct with the RF programmable

divider, which is of MN1A construction so giving a step

1150°C

80°C/W

20°C/W

REF/COMP

ENABLE/

SELECT

CRYSTAL CAP

11-BIT

COUNT

REFERENCE

DIVIDER

INPUT

416/17

CRYSTAL

4-BIT

COUNT

CHARGE PUMP

LOCK

DRIVE

PUMP

CP TEST

MODE SET

2 BIT

4 BIT

2 BIT

3 BIT

15-BIT LATCH

ADDRESS

SDA

I C BUS

TRANSCEIVER

SCL

f /2 SELECT

4-BIT LATCH AND

PORT INTERFACE

P3 P2

P1 P0

Figure 1 SP5769 block diagram

12 3 4 5 6 7...11

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与SP5769AKG相关器件

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SP5769AKGMP1S	MITEL	获取价格	3GHz I2C Bus Synthesiser
SP5769AKGMP1T	MITEL	获取价格	3GHz I2C Bus Synthesiser
SP5769AKGQP1S	MITEL	获取价格	3GHz I2C Bus Synthesiser
SP5769AKGQP1T	MITEL	获取价格	3GHz I2C Bus Synthesiser
SP5770A	MICROSEMI	获取价格	Rectifier Diode, 1 Element, Silicon, CERAMIC, FLAT PACK-10
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SP-57E	SUPERWORLD	获取价格	Power Transformers - Bracket TUV Type
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