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MAS9180 Datasheet(PDF) 2 Page - Micro Analog systems |
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MAS9180 Datasheet(HTML) 2 Page - Micro Analog systems |
2 / 15 page 2 (15) DA9180.004 15 September, 2005 MAS9180 PAD LAYOUT PDN AON RFIM RFIP DEC VSS AGC QI VDD QOP OUT 1474 µµµµm QOM MAS9180Ax, x = 1..5 differential input, B..F asymmetric input DIE size = 1.47 x 1.46 mm; PAD size = 80 x 80 µm Note: Because the substrate of the die is internally connected to VDD, the die has to be connected to VDD or left floating. Please make sure that VDD is the first pad to be bonded. Pick-and-place and all component assembly are recommended to be performed in ESD protected area. Note: Coordinates are pad center points where origin has been located in bottom-left corner of the silicon die. Pad Identification Name X-coordinate Y-coordinate Note Power Supply Voltage VDD 174 µm 1262 µm Positive Quartz Filter Output for Crystal QOP 174 µm 1057 µm Negative Quartz Filter Output for Crystal QOM 174 µm 854 µm 4 Quartz Filter Input for Crystal and External Compensation Capacitor QI 174 µm 648 µm AGC Capacitor AGC 174 µm 444 µm Receiver Output OUT 175 µm 240 µm 1 Demodulator Capacitor DEC 1295 µm 225 µm AGC On Control AON 1295 µm 425 µm 2 Power Down PDN 1295 µm 624 µm 3 Positive Receiver Input RFIP 1295 µm 825 µm 5 Negative Receiver Input RFIM 1295 µm 1039 µm 5 Power Supply Ground VSS 1282 µm 1200 µm Notes: 1) OUT = VSS when carrier amplitude at maximum; OUT = VDD when carrier amplitude is reduced (modulated) - the output is a current source/sink with |IOUT| > 5 µA - at power down the output is pulled to VSS (pull down switch) 2) 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 3) PDN = VSS means receiver on; PDN = VDD means receiver off Fast start-up is triggered when the receiver is after power down (PDN=VDD) controlled to power up (PDN=VSS) i.e. at the falling edge of PDN signal. 4) External crystal compensation capacitor pin QOM is connected only in MAS9190A5 and AF versions. It is left unconnected in MAS9180A1 and AB..E versions which have internal compensation capacitor. 5) Differential input versions A1..A5 have 600 k Ω biasing MOSFET-transistors towards ground from both receiver inputs RFIP and RFIM. Asymmetric input versions AB..AF have input pin RFIM unconnected. |
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