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LTC6900CS5 数据表(PDF) 2 Page - Linear Technology |
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LTC6900CS5 数据表(HTML) 2 Page - Linear Technology |
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2 / 12 page  LTC6900 2 6900f Supply Voltage (V+) to GND ........................– 0.3V to 6V DIV to GND .................................... – 0.3V to (V+ + 0.3V) SET to GND ................................... – 0.3V to (V+ + 0.3V) Operating Temperature Range (Note 8) LTC6900C .......................................... – 40 °C to 85°C LTC6900I ............................................ – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ORDER PART NUMBER TJMAX = 150°C, θJA = 256°C/W LTC6900CS5 LTC6900IS5 (Note 1) The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. V+ = 2.7V to 5.5V, RL= 5k, CL = 5pF, Pin 4 = V+ unless otherwise noted. All voltages are with respect to GND. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS ∆f Frequency Accuracy (Notes 2, 3) V+ = 5V 5kHz ≤ f ≤ 10MHz ±0.5 ±1.5 % 5kHz ≤ f ≤ 10MHz, LTC6900C q ±2.0 % 5kHz ≤ f ≤ 10MHz, LTC6900I q ±2.5 % 1kHz ≤ f < 5kHz ±2% 10MHz < f ≤ 20MHz ±2% V+ = 3V 5kHz ≤ f ≤ 10MHz ±0.5 ±1.5 % 5kHz ≤ f ≤ 10MHz, LTC6900C q ±2.0 % 5kHz ≤ f ≤ 10MHz, LTC6900I q ±2.5 % 1kHz ≤ f < 5kHz ±2% RSET Frequency-Setting Resistor Range ∆f < 1.5% V+ = 5V 20 400 k Ω V+ = 3V 20 400 k Ω ∆f/∆T Freq Drift Over Temp (Note 3) RSET = 63.2k q ±0.004 %/ °C ∆f/∆V Freq Drift Over Supply (Note 3) V+ = 3V to 5V, RSET = 63.2k q 0.04 0.1 %/V Timing Jitter (Note 4) Pin 4 = V+, 20k ≤ RSET ≤ 400k 0.1 % Pin 4 = Open, 20k ≤ RSET ≤ 400k 0.2 % Pin 4 = 0V, 20k ≤ RSET ≤ 400k 0.6 % Long-Term Stability of Output Frequency 300 ppm/ √kHr Duty Cycle (Note 7) Pin 4 = V+ or Open (DIV Either by 100 or 10) q 49 50 51 % Pin 4 = 0V (DIV by 1), RSET = 20k to 400k q 45 50 55 % V+ Operating Supply Range q 2.7 5.5 V IS Power Supply Current RSET = 400k, Pin 4 = V +, RL = ∞ V+ = 5V q 0.32 0.42 mA fOSC = 5kHz V+ = 3V q 0.29 0.38 mA RSET = 20k, Pin 4 = 0V, RL = ∞ V+ = 5V q 0.92 1.20 mA fOSC = 10MHz V+ = 3V q 0.68 0.86 mA VIH High Level DIV Input Voltage q V+ – 0.4 V VIL Low Level DIV Input Voltage q 0.5 V IDIV DIV Input Current (Note 5) Pin 4 = V+ V+ = 5V q 2 4 µA Pin 4 = 0V V+ = 5V q –4 –2 µA TOP VIEW S5 PACKAGE 5-LEAD PLASTIC SOT-23 1 2 3 V+ GND SET 5 4 OUT DIV S5 PART MARKING LTZM ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS Consult LTC Marketing for parts specified with wider operating temperature ranges. |
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