DSA1101/21/05/25
Low-Jitter Precision CMOS Oscillator for Automotive
Features General Description
Automotive AEC-Q100 Qualified The DSA1101 and DSA1121 series of high
performance oscillators utilize a proven silicon MEMS
Two Rise/Fall Time Options for EMI Reduction
technology to provide excellent jitter and stability over
r: <1 ps (typ.)
Low RMS Phase Jitte
a wide range of supply voltages and temperatures. By
High Stability: 20 ppm, 25 ppm, 50 ppm
eliminating the need for quartz or SAW technology,
Wide Temperature Range:
MEMS oscillators significantly enhance reliability and
40C to +125C
- Automotive Grade 1:
accelerate product development, while meeting
stringent clock performance criteria for a variety of
- Automotive Grade 2: 40C to +105C
communications, storage, and networking applications.
- Automotive Grade 3: 40C to +85C
DSA1101 has a standby feature that allows it to
High Supply Noise Rejection: 50 dBc
completely power-down when EN pin is pulled low. For
Wide Freq. Range: 2.3 MHz to 170 MHz
DSA1121, only the outputs are disabled when EN is
Small Industry Standard Footprints
low. Both oscillators are available in industry standard
- 2.5 mm x 2.0 mm
packages, including the small 2.5 mm x 2.0 mm, and
- 3.2 mm x 2.5 mm
drop-in replacements for standard 4-pin and 6-pin
are
- 5.0 mm x 3.2 mm CMOS quartz crystal oscillators.
Excellent Shock and Vibration Immunity
The DSA1105/25 is functionally equivalent to the
- Qualified to MIL-STD-883 DSA1101/21, but it has lower drive strength for EMI
reduction.
High Reliability
- 20x Better MTF than Quartz Oscillators
Functional Block Diagram
Low Current Consumption
Supply Range of 2.25 to 3.63V
Standby and Output Enable Function
Lead-Free and RoHS Compliant
Applications
Automotive Infotainment
Automotive ADAS
Automotive Camera Module
Automotive LIDAR and RADAR
Benefits
Replace High Temperature Crystals and Quartz
Oscillators
2018 Microchip Technology Inc. DS20005890B-page 1DSA1101/21/05/25
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
Input Voltage, V ...............................................................................................................................0.3V to V +0.3V
IN DD
Supply Voltage ......................................................................................................................................... 0.3V to + 4.0V
ESD Protection On All Pins ...........................................................................................4000V HBM, 1500V CDM (max.)
Notice: Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device.
This is a stress rating only and functional operation of the device at those or any other conditions above those indicated
Exposure to maximum rating conditions for extended
in the operational sections of this specification is not intended.
periods may affect device reliability.
DS20005890B-page 2 2018 Microchip Technology Inc.