MM1424

MITSUMI MITSUMI IC for XO MM1424, MM1624 IC for XO Monolithic IC MM1424, MM1624 Series Outline This is a low current consumption, low operating voltage XO IC with Colpitz oscillation circuit. Smaller size is achieved by the on-chip bias circuit and Colpitz oscillation capacitor. Features 1. Low current consumption. 1.5mA max. (Vcc = 2.8V) 2. Low power supply operating voltage. Vcc = 2.3 to 3.3V 3. On-chip Colpitz oscillation capacitor · On-chip bias resistor. 4. Low phase noise. -140dBc (@1kHz) 5. Ultra-small package type. Package SC-82 (MM1424CUXX) MCSP-4A (MM1424CCXX) WLCSP-4A (MM1624CLXX) Applications 1. Crystal oscillators 2. VCXO 3. TCXO Pin Assignment MM1424CUXX MM1424CCXX MM1624CLXX 4 3 1 4 1 4 1 2 2 3 2 3 SC-82 (TOP VIEW) 1 2 3 4 X'tal GND VOUT VCC 1 2 3 4 MCSP-4A (TOP VIEW) GND X'tal VCC VOUT 1 2 3 4 WLCSP-4A (TOP VIEW) X'tal GND VOUT VCC MITSUMI MITSUMI IC for XO MM1424, MM1624 Equivalent Circuit Diagram MM1424CUXX VCC VOUT 4 3 47k 830 130k 36p 73p 73p 250 1 X'tal 2 GND MM1424CCXX VCC VOUT 3 4 47k 830 130k 36p 73p 73p 250 2 X'tal 1 GND MM1624CL VCC VOUT 4 3 47k 910 130k 36p 73p 73p 330 1 X'tal 2 GND Note : The component values in the schematic circuit diagram are typical. MITSUMI MITSUMI IC for XO MM1424, MM1624 Pin Description Pin No MM1424CUXX MM1424CCXX MM1624CLXX 1 2 3 4 2 1 4 3 1 2 3 4 (Ta=25°C) Symbol TSTG TOPR VCC max. VIN max. Pd Ratings -40~+125 -30~+80 5.5 0 < VIN < VCC = = 150(MM1424CUXX) Power dissipation 180(MM1424CCXX) Unit °C °C V V mW Pin name X'tal GND VOUT VCC X'tal pin GND Output pin Supply voltage Functions Absolute Maximum Ratings Item Storage temperature Operating temperature Supply voltage Input voltage * 220(MM1624CLXX) * Note : Assembled on PC board. Pc board dimensions : 80 20mm, t=0.8mm, (MM1424CCXX) Material : Glass epoxy 110 40mm, t=0.8mm, 4 stratum (MM1624CLXX) * Recommended Operating Conditions Item Operating temperature Supply voltage Operating frequency Symbol TOPR VOP FOPR Ratings -30~+80 2.3~3.3 10~26 Unit °C V MHz Note : The definition of the operation at the recommended operating conditions is to oscillate. * Electrical Characteristics Item Current consumption Output frequency Output voltage Duty ratio Negative resistance 3 (VCC=2.7V, Ta=25±2°C, Load : 2kΩ // 10pF, fosc=26MHz unless otherwise specificd) Measurement conditions VCC=2.8V Min. Typ. Max. Unit 1.3 -30 0.8 0 1.05 50 0 0 60 0.2 0.3 1.5 30 mA ppm V % Ω ppm ppm Symbol Icc FO VOUT Duty RN f-VCC f-LO *1 VCC=2.6V VCC=2.6~2.8V *2 40 -0.2 -0.3 * VIN=0.1Vrms, 26MHz VCC=2.7V±0.1V RL=2kΩ±10% CL=10pF±10% -100 -150 Frequency stability-supply voltage variation 3 * Frequency stability-load variation 3 * * * * * Note1 1: Output frequency satisfies the results measured by the correlation test boxes. Note2 2: Duty ratio is measured at the center of Vp-p. Note3 3: The items of 3 are only guaranteed by the desigh of the circuit. MITSUMI MITSUMI IC for XO MM1424, MM1624 Measuring Circuit MM1424CUXX 10000pF A 2kΩ VCC 10000pF 4 3 10pF VCC TP A 2kΩ 10000pF 3 4 10pF MM1424CCXX 10000pF TP MM1424 1 10pF X'tal 26MHz 47Ω 2 10pF X'tal 26MHz MM1424 2 1 47Ω · This load capacity (10pF) contains a capacity of a probe. · This load capacity (10pF) contains a capacity of a probe. MM1624CLXX 10000pF A 2kΩ VCC 10000pF 4 3 TP 10pF MM1624 1 10pF X'tal 26MHz 2 47Ω · This load capacity (10pF) contains a capacity of a probe. MITSUMI MITSUMI IC for XO MM1424, MM1624 Circuit diagram which is to measure the negative resistance. MM1424CUXX 10000pF 10000pF VCC 4 3 2kΩ 10pF VCC 3 4 10000pF MM1424CCXX 10000pF 2kΩ 10pF MM1424 1 1µF 2 1µF MM1424 2 1 VIN 0.1Vrms 26MHz sine wave TP VIN 0.1Vrms 26MHz sine wave TP MM1624CLXX 10000pF 10000pF VCC 4 3 2kΩ 10pF MM1624 1 1µF 2 VIN 0.1Vrms 26MHz sine wave TP