Crystal Clock Oscillator 2725 Series For wireless LAN n Model name 2725T Frequency stability of ±25 x 10–6. n Application l For wireless LAN n Features l A high-precision type. Best suited for wireless LAN-compliant information terminal devices. l Automatic mounting by taping and IR reflow (lead-free) are possible. l Lead-free. l Compact and light. Dimensions and weight: 5.0 x 3.2 mm, 1.0 mm, and 0.06 g. Pb Free Absolute maximum rating Power supply voltage (VDD) -0.5 to +7.0 V Storage temperature range -55 to +125 °C n Specifications Model Item 2725T Output level (MHz) Frequency range *1 Operating temperature range *2 (°C) Frequency stability (×10–6) Power supply voltage [VDD] (V) Current consumption During operation (mA) (+3.3 V, 25 °C) max During standby (A) VOL max/VOH min (V) Tr max/Tf max (ns) Duty Cycle min. to max. (%) Load (CL) max (pF) Oscillation start time max (ms) Standby function Number for specifying an order C-MOS 22 40 ±25 +3.3±0.1 15 22 6m 0.1 VDD /0.9 VDD 5/5 (0.1 VDD to 0.9 VDD) 45 to 55 (at 1/2 VDD) 15 4 10 Available (tristate) NSA6046A NSA6045A n Output Waveform <C-MOS> 3.2±0.2 VOH 0.9VDD 1/2VDD 0.36±0.1 0.1VDD PAD Connection #1 Standby #2 GND #3 OUTPUT #4 VDD VOL 0V t T Duty Cycle = t/T × 100 [%] Reference land pattern n Standby Function 1.20 1.0±0.1 1.00 C0.5 0.25±0.1 1.20 1.2±0.1 #2 1.2±0.1 1.0 ±0.2 5.0±0.2 Tf Tr mm 2.54±0.1 NSA6044A *2: If you require a product with an operating temperature range not given above, please contact us. n Dimensions #4 22 10 μ *1: If you require a product with a frequency not given above, please contact us. #1 44 –10 to +70 #3 1.40 1.14 1.40 Mount an approx. 0.01 μF bypass capacitor between VDD and GND (close to the product) #1 Input #3 Output Level H (0.7 VDD ≤ VIH ≤ VDD) or OPEN is selected. Level L (+0.3 VDD max) is selected. (22 MHz, 40 MHz) Level L (+0.15 VDD max) is selected. (44 MHz) Oscillation output ON High impedance High impedance n How to Specify an Order Example 1: When ordering a product with model name: 2725T, frequency: 40 MHz, frequency stability: ±25 x 10–6, and power supply voltage: 3.3 V When ordering our products, specify them with an “Ordering Code” that consists of the following: Ordering Code: 2725T – 40.000000M – NSA6045A Model name – Frequency (up to 9 digits) M – Number for specifying an order If you have any queries concerning our standard frequencies and numbers for specifying orders, please contact our sales representatives or visit our homepage (http://www.ndk.com/). cc42_080919_2725T_25_e