High Performance Differential MEMS Oscillators for Automotive
Features
• Automotive AEC-Q100 Qualified
• Wide Frequency Range: 2.5 MHz to 450 MHz
• Supports LVPECL, LVDS, or HCSL Differential
Outputs
• Very Low RMS Phase Jitter: <650 fs (typ.)
• Complies with PCIe Gen1/2/3/4/5 Common Clock
Spec
• High Stability: ±20 ppm, ±25 ppm, ±50 ppm
• Wide Temperature Range:
- Automotive Grade 1: –40°C to +125°C
(DSA12x3 LVDS Output Only)
- Automotive Grade 2: –40°C to +105°C
- Automotive Grade 3: –40°C to +85°C
• Small Industry-Standard Footprints
- 2.5 mm x 2.0 mm
- 3.2 mm x 2.5 mm
- 5.0 mm x 3.2 mm
- 7.0 mm x 5.0 mm
• Excellent Shock and Vibration Immunity
- Qualified to MIL-STD-883
• High Reliability
- 20x Better MTF than Quartz Oscillators
• Supply Range of 2.25V to 3.63V
• Standby, Frequency Select, and Output Enable
Functions
• Lead-Free and RoHS-Compliant
General Description
The DSA12x2/3/4 family of high performance
oscillators utilizes the latest generation of silicon
MEMS technology that reduces close-in noise and
provides excellent jitter and stability over a wide range
of supply voltages and temperatures. By eliminating
the need for quartz or SAW technology, MEMS
oscillators significantly enhance reliability and
accelerate product development, while meeting
stringent clock performance criteria for automotive
applications.
The DSA12x2/3/4 family features a control function on
pin 1 or pin 2 that permits either a standby feature
(complete power down when STDBY is low), output
enable (output is tri-stated with OE low), or a frequency
select (choice of two frequencies selected by FS
high/low). See the
Product Identification System
section for detailed information.
All oscillators are available in industry-standard
packages, including the small 2.5 mm x 2.0 mm, and
are “drop-in” replacements for standard 6-pin
LVPECL/LVDS/HCSL crystal oscillators.
Package Types
DSA12
X
2/3/4
6-Lead CDFN/VDFN
OE/STDBY/FS
NC
GND
1
2
6
5
VDD
CLK–
CLK+
Applications
• Automotive Infotainment
• Automotive ADAS
• In-Vehicle Networking, CAN Bus, Ethernet
3
4
NC
OE/STDBY/FS
GND
1
2
6
5
VDD
CLK–
CLK+
3
4
2020 Microchip Technology Inc.
DS20006378A-page 1
DSA12X2/3/4
Functional Block Diagrams
Pin 1
OE/STDBY/FS
DIGITAL
CONTROL
SUPPLY
REGULATION
Pin 6
VDD
Pin 2
NC
MEMS
RESONATOR
TEMP SENSOR +
CONTROL &
COMPENSATION
PLL
OUTPUT
DIV
Pin 5
CLK–
Pin 4
CLK+
Pin 3
GND
Pin 1
NC
DIGITAL
CONTROL
SUPPLY
REGULATION
Pin 6
VDD
Pin 2
OE/STDBY/FS
MEMS
RESONATOR
TEMP SENSOR +
CONTROL &
COMPENSATION
PLL
OUTPUT
DIV
Pin 5
CLK–
Pin 4
CLK+
Pin 3
GND
DS20006378A-page 2
2020 Microchip Technology Inc.
DSA12X2/3/4
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings †
Supply Voltage .......................................................................................................................................... –0.3V to +4.0V
Input Voltage .................................................................................................................................... –0.3V to V
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