CM11T
CM11T
Small size, Low height, Holdover better than ±5us/1h@△T=±2℃;
Application: Power grid, Clock reference, Base station, Broadcast, Radar etc.
CM11T is a high-performance clock module that can be used to provide high-precision frequency output, and can automatically correct the output frequency accuracy with reference to the high-index input clock.
Key Features：
Reference：1PPS
Stability vs Temp.：±0.05ppm
Freq Accuracy Tolerance：1.0E-8
Output：1PPS, 28.8MHz
Port: 1*UART
Voltage Control: support frequency tuning
Size：10mm*10mm*4.0mm
Consumption: 82.5mW(Max.)
| Power Supply | Parameters | Min. | Typ. | Max. | Unit | Test Condition |
| Supply Voltage | 3.135 | 3.3 | 3.465 | V | ||
Current Consumption | 22 | 25 | mA | @25℃, 50Ω |
| 1PPS Output | Parameters | Min. | Typ. | Max. | Unit | Test Conditon |
| Pulse Width | 10 | 18 | ms | |||
| Accuracy | -50 | 50 | ns | |||
| Sync. Time | 100 | s |
| Environment | Parameters | Conditons |
| Operating temperature | -40℃~ 85℃ | |
| Storage temperature | -55℃~ 105℃ | |
| Storage humidity | 30% ~ 80% | |
| ESD level | Human Boby Model，class 2: 2000V to 4000V; ANSI/ESDA/JEDEC JS-001-2-2010. | |
| Machine Model, class B: 200V to 400V; JEDEC JESD22-A115C. | ||
| Moisture Sensitivity Level | Not Humidity Sensitive |
Vibration
Test Condition:
Amplitude: 0.75mm；acceleration: 10g；10Hz~500Hz; a cycle per 30min, test for 2 hours in 3 directions
（3 directions: X, Y and Z）, IEC 68-2-06 Test Fc.
Shock
50g；11ms；half sine wave （3 directions: X, Y and Z）, IEC 68-2-27 TestEa/Severity 50A.