MAS9079 查看數據表（PDF） - Micro Analog systems
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MAS9079 Datasheet PDF : 9 Pages
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PAD LAYOUT
MAS9079Ax,
x=1..4
DA9079.003
19 May, 2005
VDD
QO2
QO1
QO3
QI
AGC
PDN2
OUT
VSS
RFI2
RFI1
RFI3
PDN1
AON
DEC
1620 µm
DIE size = 1.62 x 1.89 mm; round PAD ∅ 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
Power Supply Voltage
Quartz Filter Output for Crystal 2
Quartz Filter Output for Crystal 1
Quartz Filter Output for Crystal 3
Quartz Filter Input for Crystals
AGC Capacitor
Power Down/Frequency Selection Input 2
Receiver Output
Demodulator Capacitor
AGC On Control
Power Down/Frequency Selection Input 1
Receiver Input 3 (for Antenna Capacitor 3)
Receiver Input
Receiver Input 2 (for Antenna Capacitor 2)
Power Supply Ground
Name
VDD
QO2
QO1
QO3
QI
AGC
PDN2
OUT
DEC
AON
PDN1
RFI3
RFI1
RFI2
VSS
X-coordinate
174 µm
174 µm
174 µm
174 µm
174 µm
174 µm
174 µm
175 µm
1442 µm
1442 µm
1442 µm
1442 µm
1442 µm
1442 µm
1442 µm
Y-coordinate
1657 µm
1452 µm
1248 µm
1043 µm
839 µm
634 µm
429 µm
225 µm
240 µm
444 µm
649 µm
853 µm
1058 µm
1467 µm
1671 µm
Note
3
1
2
3
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) PDN1 = VDD and PDN2 = VDD means receiver off
- Fast start-up is triggered when the receiver is after power down controlled to power up
2 (9)
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