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IDT8N3QV01 Datasheet

Quad-Frequency Programmable VCXO

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Quad-Frequency Programmable
VCXO
IDT8N3QV01 Rev G
DATA SHEET
General Description
The IDT8N3QV01 is a Quad-Frequency Programmable VCXO with
very flexible frequency and pull-range programming capabilities.
The device uses IDT’s fourth generation FemtoClock® NG
technology for an optimum of high clock frequency and low phase
noise performance. The device accepts 2.5V or 3.3V supply and is
packaged in a small, lead-free (RoHS 6) 10-lead Ceramic 5mm x
7mm x 1.55mm package.
Besides the 4 default power-up frequencies set by the FSEL0 and
FSEL1 pins, the IDT8N3QV01 can be programmed via the I2C
interface to any output clock frequency between 15.476MHz to
866.67MHz and from 975MHz to 1,300MHz to a very high degree of
precision with a frequency step size of 435.9Hz ÷N (N is the PLL
output divider). Since the FSEL0 and FSEL1 pins are mapped to 4
independent PLL M and N divider registers (P, MINT, MFRAC and
N), reprogramming those registers to other frequencies under
control of FSEL0 and FSEL1 is supported. The extended
temperature range supports wireless infrastructure, tele-
communication and networking end equipment requirements. The
device is a member of the high-performance clock family from IDT.
Features
Fourth generation FemtoClock® NG technology
Programmable clock output frequency from 15.476MHz to
866.67MHz and from 975MHz to 1,300MHz
Four power-up default frequencies (see part number order
codes), reprogrammable by I2C
I2C programming interface for the output clock frequency, APR
and internal PLL control registers
Frequency programming resolution is 435.9Hz ÷N
Absolute pull-range (APR) programmable from ±4.5 to
±754.5ppm
One 2.5V or 3.3V LVPECL differential clock output
Two control inputs for the power-up default frequency
LVCMOS/LVTTL compatible control inputs
RMS phase jitter @ 156.25MHz (12kHz - 20MHz):
0.487ps (typical)
RMS phase jitter @ 156.25MHz (1kHz - 40MHz):
0.614ps (typical)
2.5V or 3.3V supply voltage modes
-40°C to 85°C ambient operating temperature
Available in Lead-free (RoHS 6) package
Block Diagram
OSC ÷P
114.285 MHz
VC
FSEL1
FSEL0
SCLK
SDATA
OE
Pulldown
Pulldown
A/D
2
7
Pullup
Pullup
Pullup
PFD
FemtoClock® NG
&
VCO
÷N
LPF
1950-2600MHz
÷MINT, MFRAC
25
7
Configuration Register (ROM)
(Frequency, APR, Polarity)
I2C Control
Pin Assignment
Q
nQ
10 9
VC 1
8 VCC
OE 2
7 nQ
VEE 3
6Q
45
IDT8N3QV01 Rev G
10-lead Ceramic 5mm x 7mm x 1.55mm
package body
CD Package
Top View
IDT8N3QV01GCD REVISION A MARCH 6, 2012
1
©2012 Integrated Device Technology, Inc.


Renesas Electronics Components Datasheet

IDT8N3QV01 Datasheet

Quad-Frequency Programmable VCXO

No Preview Available !

IDT8N3QV01 Rev G Data Sheet
QUAD-FREQUENCY PROGRAMMABLE-VCXO
Table 1. Pin Descriptions
Number
Name
1
VC
2
OE
3
VEE
5, 4
FSEL1, FSEL0
6, 7
Q, nQ
8
VCC
9
SDATA
10
SCLK
Type
Input
Input
Pullup
Power
Input
Pulldown
Output
Power
Input/Output
Input
Pullup
Pullup
Description
VCXO Control Voltage input. The control voltage versus frequency
characteristics are set by the ADC_GAIN[5:0] register bits.
Output enable pin. See Table 3A for function. LVCMOS/LVTTL interface
levels.
Negative power supply.
Default frequency select pins. See the Default Frequency Order Codes
section. LVCMOS/LVTTL interface levels.
Differential clock output. LVPECL interface levels.
Positive power supply.
I2C data input. Input: LVCMOS/LVTTL interface levels. Output: Open drain.
I2C clock input. LVCMOS/LVTTL compatible interface levels.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
Symbol
Parameter
CIN
Input Capacitance
RPULLUP
RPULLDOWN
Input Pullup Resistor
Input Pulldown Resistor
Test Conditions
FSEL[1:0], SDATA, SCLK
VC
Minimum
Typical
5.5
10
50
50
Maximum
Units
pF
pF
k
k
IDT8N3QV01GCD REVISION A MARCH 6, 2012
2
©2012 Integrated Device Technology, Inc.



Part Number IDT8N3QV01
Description Quad-Frequency Programmable VCXO
Maker Renesas
Total Page 3 Pages
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IDT8N3QV01 Datasheet PDF





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