AD9508BCPZ

Semiconductors - ICs

> Clock Timing & Frequency Management

> Clock Synthesizers & Generators

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Series Information for AD9508BCPZ - Analog Devices

Features

  • feature
    1.65 GHz differential clock inputs/outputs 10-bit programmable dividers, 1 to 1024, all integers Up to 4 differential outputs or 8 CMOS outputs Pin strapping capability for hardwired programming at power-up <115 fs rms broadband random jitter (see Figure 25) Additive output jitter: 41 fs rms typical (12 kHz to 20 MHz) Excellent output-to-output isolation Automatic synchronization of all outputs Single 2.5 V/3.3 V power supply Internal LDO (low drop-out) voltage regulator for enhanced power supply immunity Phase offset select for output-to-output coarse delay adjust 3 programmable output logic levels, LVDS, HSTL, and CMOS Serial control port (SPI/I2C) or pin-programmable mode Space-saving 24-lead LFCSP

Description

CLOCK FAN OUT BUFFER 1.65GHZ 24LFCSP
The AD9508 provides clock fanout capability in a design that emphasizes low jitter to maximize system performance. This device benefits applications like clocking data converters with demanding phase noise and low jitter requirements. There are four independent differential clock outputs, each with various types of logic levels available. Available logic types include LVDS (1.65 GHz), HSTL (1.65 GHz), and 1.8 V CMOS (250 MHz). In 1.8 V CMOS output mode, the differential output becomes two CMOS single-ended signals. The CMOS outputs are 1.8 V logic levels, regardless of the operating supply voltage. Each output has a programmable divider that can be bypassed or be set to divide by any integer up to 1024. In addition, the AD9508 supports a coarse output phase adjustment between the outputs. The device can also be pin programmed for various fixed configurations at power-up without the need for SPI or I2C programming. The AD9508 is available in a 24-lead LFCSP and operates from a either a single 2.5 V or 3.3 V supply. The temperature range is −40°C to +85°C. DIV/Φ OUT0 OUT0 OUT1 OUT1 OUT2 OUT2 OUT3 OUT3 CONTROL INTERFACE SPI/I2C/PINS AD9508 CLK SCLK/SCL/S0 SDIO/SDA/S1 SDO/S3 CS/S2 SYNC CLK PIN CONTROL DIV/Φ DIV/Φ DIV/Φ

Specifications

Clock IC Type:
Clock Buffer
Frequency:
1.65GHz
No. of Outputs:
12Outputs
Supply Voltage Min:
2.375V
Supply Voltage Max:
3.465V
Clock IC Case Style:
LFCSP
No. of Pins:
24Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
AD9508 Series
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 3 - 168 hours
SVHC:
No SVHC (07-Jul-2017)
IC Interface Type:
I2C SPI

Alternate Descriptions

Richardson RFPD

LOGIC AND TIMING