Datasheet SiT1881 (SiTime)
| Manufacturer | SiTime |
| Description | Automotive Ultra-Low Power, Low Jitter 32.768 kHz Oscillator |
| Pages / Page | 8 / 1 — SiT1881. Features. Applications. For aerospace and defense applications, … |
| File Format / Size | PDF / 472 Kb |
| Document Language | English |
SiT1881. Features. Applications. For aerospace and defense applications, SiTime. recommends using only Endura™ products
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SiT1881
PRELIMINARY Automotive Ultra-Low Power, Low Jitter 32.768 kHz Oscillator
Features Applications
◼ 32.768 kHz ◼ Automotive Advanced Driver Assistance Systems ◼ AEC-Q100 Grade 2 ◼ Automotive Infotainment Systems ◼ Frequency stability from ±50 ppm ◼ Automotive Smart Mirrors ◼ Contact SiTime for ±20 ppm option ◼ Industrial Applications ◼ Small Oscillator Footprint: 1.32 mm2 ▪ 1.2 x 1.1 mm QFN ◼ Ultra-low power: 490 nA typical @ fout = 32.768 kHz ◼ Supply voltage: 1.14 V to 3.63 V ◼ Operating temperature range: from -40°C to +105°C
For aerospace and defense applications, SiTime
◼ Pb-free, RoHS and REACH compliant
recommends using only Endura™ products. Block Diagram 1.2 x 1.1 mm Package Pinout
524 2 C C C 0 CLK-0 1 6 NC
GND 2 5 VDD C
C NC 3 4 NC
C
Figure 1. SiT1881 Block Diagram Figure 2. Pin Assignments (Top view)
(Refer to Table 3 for Pin Descriptions) Rev 0.8 4 October 2022 Proprietary & Confidential of SiTime
SiT1881
PRELIMINARY Automotive Ultra-Low Power, Low Jitter 32.768 kHz Oscillator
Features Applications
◼ 32.768 kHz ◼ Automotive Advanced Driver Assistance Systems ◼ AEC-Q100 Grade 2 ◼ Automotive Infotainment Systems ◼ Frequency stability from ±50 ppm ◼ Automotive Smart Mirrors ◼ Contact SiTime for ±20 ppm option ◼ Industrial Applications ◼ Small Oscillator Footprint: 1.32 mm2 ▪ 1.2 x 1.1 mm QFN ◼ Ultra-low power: 490 nA typical @ fout = 32.768 kHz ◼ Supply voltage: 1.14 V to 3.63 V ◼ Operating temperature range: from -40°C to +105°C
For aerospace and defense applications, SiTime
◼ Pb-free, RoHS and REACH compliant
recommends using only Endura™ products. Block Diagram 1.2 x 1.1 mm Package Pinout
524 2 C C C 0 CLK-0 1 6 NC
GND 2 5 VDD C
C NC 3 4 NC
C
Figure 1. SiT1881 Block Diagram Figure 2. Pin Assignments (Top view)
(Refer to Table 3 for Pin Descriptions) Rev 0.8 4 October 2022 Proprietary & Confidential of SiTime
