MAS6179 Micro Analog systems, MAS6179 Datasheet
MAS6179
Related parts for MAS6179
MAS6179 Summary of contents
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... Micro Analog Systems Oy reserves the right to make any changes without notice. DESCRIPTION The MAS6179 AM-Receiver chip is a highly sensitive, simple to use AM receiver specially intended to receive time signals in the frequency range from 40 kHz to 100 kHz. Only a few external components are required for time signal receiving ...
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... AON = VSS means AGC off (hold current gain level); AON = VDD means AGC on (working) - Internal pull-up with current < 1 µA which is switched off at power down 4) Receiver inputs RFIP and RFIM have both 600 kΩ biasing resistors towards VDD MAS6179Ax, x=1, 2 VSS VDD ...
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ABSOLUTE MAXIMUM RATINGS Parameter Supply Voltage Input Voltage Power Dissipation Operating Temperature Storage Temperature ELECTRICAL CHARACTERISTICS Parameter Operating Voltage Current Consumption Stand-By Current Input Frequency Range Minimum Input Voltage Maximum Input Voltage Receiver Input Resistance Receiver Input Capacitance RFI2 Switch ...
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FREQUENCY SELECTION The frequency selection and power down control is accomplished via two digital control pins PDN1 and PDN2. The control logic is presented in table 1. Table 1. Frequency selection and power down control PDN1 PDN2 RFI2 Switch High ...
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ANTENNA TUNING CONSIDERATIONS The ferrite bar antenna having inductance L parasitic coil capacitance C COIL reception frequencies capacitors and C ANT1 ANT2 input stage and internal antenna capacitor switches have capacitances C ...
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... Figure 1. Application circuit of tri band receiver MAS6179. Note ANT ANT1 ANT2 ANT3 2.74 mH 1.5 nF 1.0 nF 3.3 nF Ferrite Antenna Figure 2. Example circuit of tri band receiver MAS6179 for DCF77/MSF/WWVB/JJY frequencies Note VDD QO3 QO2 QO1 QI RFIP VDD AGC Amplifier RFIM ...
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... MSF United Kingdom WWVB USA JJY Japan BPC China The crystal shunt capacitance C compensation capacitor C of MAS6179. See Compensation Capacitance Options in table 3. C Table 3. Compensation Capacitance Options Device C C MAS6179A1 0.75 pF MAS6179A2 1 should be noted that grounded crystal package has reduced shunt capacitance. This value is about 85% of floating crystal shunt capacitance ...
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TYPICAL APPLICATION (Continued) Both the AGC and DEC capacitors can be connected either to VDD or to VSS. To minimize leakage currents during power down the AGC and DEC capacitors are best to be connected to VDD since in power ...
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... MAS6179 SAMPLES IN SBDIL 20 PACKAGE 1 VDD 2 QO2 3 QO1 4 QO3 AGC 8 PDN2 9 OUT 10 PIN DESCRIPTION Pin Name Pin 1 VDD 2 QO2 3 QO1 4 QO3 AGC 8 PDN2 9 OUT 10 11 DEC 12 AON 13 PDN1 14 15 RFI3 16 RFIP 17 RFIM 18 RFI2 19 VSS Analog Digital Power Ground Input Output Not Connected ...
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... ORDERING INFORMATION Product Code Product MAS6179A1TC00 Tri Band AM-Receiver IC with Differential Input MAS6179A2TC00 Tri Band AM-Receiver IC with Differential Input Contact Micro Analog Systems Oy for other wafer thickness options. LOCAL DISTRIBUTOR MICRO ANALOG SYSTEMS OY CONTACTS Micro Analog Systems Oy Kamreerintie 2, P.O. Box 51 FIN-02771 Espoo, FINLAND ...