1XTV20000CDA

1. Device Name VC-TCXO 2. Model Name DSA321SDA 3. Nominal Frequency 20.000 MHz 4. Mass 0.03g max. 5. Absolute Maximum Ratings 1 2 Item Supply Voltage Storage Temperature Range 6. Recommended Operating Conditions 1 2 3 4 Item Supply Voltage Load Impedance (resistance part) (parallel capacitance) Control Voltage Range Operating Temperature Range 7. Electrical Characteristics Symbol VCC T_STG Symbol VCC LOAD_R LOAD_C VCONT T_OPR Rating -0.3~+6.0 -40~+85 min. +3.135 9 9 +0.5 -40 typ. +3.3 10 10 +1.5 - unit V °C max. +3.465 11 11 +2.5 +85 unit V kΩ pF V °C (TA=-40~+85°C, LOAD_R//C=10kΩ//10pF, VCC=+3.3V, VCONT=+1.5V, unless otherwise noted) Item 1 2 3 4 Current Consumption Output Level Symmetry Frequency Stability 1.Tolerance 2.vs Temperature 5 6 3.vs Supply Voltage 4.vs Load Variation 5.vs Aging Start Up Time Frequency Control 1.Control Range 2.Input Resistance SSB Phase Noise Conditions GND level (DC cut) After 2 times reflow Ref. to Nominal Frequency TA=-30~+85°C Ref. to Frequency (TA=+25°C) TA=-40~-30°C Ref. to Frequency (TA=+25°C) VCC=+3.3V±5% LOAD_R//C=(10kΩ//10pF)±10% TA=Room ambient @90% of final Vout level VCONT=+0.5V~+2.5V(Ref.+1.5V) min. 0.8 40/60 Limits typ - max. +1.5 60/40 unit Notes mA VP-P % 1 - - ±1.5 ppm 2 - - ±0.5 ppm - - ±1.0 ppm - - ±0.2 ±0.2 ±1.0 2.0 ppm ppm ppm/year ms ±9 500 - - ±15 -130 ppm kΩ dBc/Hz 7 Relative to f0 level offset 1kHz Notes 1. Clipped sine wave (DC-coupled) 2. Please leave after reflow in 2h or more at room ambient. 3. Positive slope (Frequency becomes high in proportion to frequency control voltage.) TITLE 3 Remark DSA321SDA TYPE SPECIFICATION Date 2012/09/19 Spec. No. 1XTV20000CDA DAISHINKU CORP. Rev. Page - 1/2 DM-Z0002: Style-010 8. Outline, Pin Connections Outline (1) Pin Connections Pin No. #1 #2 #3 #4 (2) D (3) Marking (1) Frequency (2) Model code (3) Date code #1 Index Connection VCONT GND Output VCC 20.00 (MHz, 4digits) S Year (1digit) +Week (2digits) e.g.2012/01/01 201 unit: mm Dimensional Tolerance: ±0.15 (Unless otherwise noted) 9. Measurement Circuit 1000pF T.P. mA #3 #4 + 10000pF Power Supply Vcc VC-TCXO V VCONT - Output GND #1 VCONT TITLE LOAD_C LOAD_R #2 LOAD_R=10kΩ LOAD_C=10pF (Include Jig stray capacitance) Remark DSA321SDA TYPE SPECIFICATION Date 2012/09/19 Spec. No. 1XTV20000CDA DAISHINKU CORP. Rev. Page - 2/2 DM-Z0002: Style-010