SR-A2A70 Datasheet, PDF (1/2 Pages) Nel Frequency Controls,inc – Frequency Range: 250.0 MHz-1.7 GHz

SR-A2A70
Series
Size, mm
9 x 14
I/O
8 pad
Supply Voltage
3.3V / 2.5V
• Patent Pending, harmonic
multiplication for
extremely low jitter
• High frequency output
eliminates the need for
PLL multiplication
• Stabilities over tempera-
tures as low as ±20ppm
eliminates SAW oscillator
temperature problems
Differential Sine Wave
SR-A2A70 Series 0435A Rev J
Frequency Range: 250.0 MHz-1.7 GHz
Description
The SR-A2A70 Series of quartz crystal oscillators provide Differential Sine Wave signals.
This device is to operate using positive voltage and uses multiple ground pins for improved
signal integrity.
Features
• Wide frequency range – 250.0MHz
to 1.7GHz
• User specified tolerance available
• Will withstand SMD reflow temperatures
of 183°C for 4 minutes maximum
• High shock resistance, to 1000g
• High Reliability - NEL HALT/HASS
qualified for crystal oscillator start-up
conditions
• Cover connected to ground
• 3.3V and 2.5V versions available
Creating a Part Number
SR - A2A7X - FREQ
Package Code
SR
8 pad 9x14 mm SMD
Input Voltage
Code Specification
A
3.3 V
B
2.5 V
Tolerance/Performance
0 ±100 ppm 0-70°C
1 ±50 ppm 0-70°C
7 ±25 ppm 0-70°C
9 Customer Specific
A ±20 ppm 0-70°C
B ±50 ppm -40 to +85°C
C ±100 ppm -40 to +85°C
Drawing Specifications
For the most up to date
specifications on each NEL
product, log on to our
website—www.nelfc.com
Electrical Connections
Pin
Connection
1
VCC
2
Ground
3
NC or Ground
4
Q Output
5
/Q Output
6
Ground
7
Ground
8
Enable
Recommended Board Layout
Dimensions shown in inches (mm).
The metallic center pad was designed for
mechanical support. Grounding of this pad is
optional. It measures 0.088 x 0.190 NOM
(2.24 x 4.83 NOM).
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A.
Phone: [phone] Fax: [phone] Email: [e-mail] www.nelfc.com