ML2712CH データシートの表示（PDF） - Micro Linear Corporation
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ML2712CH Datasheet PDF : 22 Pages
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PIN CONFIGURATION
PRELIMINARY
ML2712
48-Pin TQFP (H48-7)
TPL
RSTH
LD
WBLD
EN
DATA
CLK
DACEN
GND
REF
VCC1
RVCC1
48 47 46 45 44 43 42 41 40 39 38 37
1
36
2
35
3
34
4
33
5
32
6
31
7
30
8
29
9
28
10
27
11
26
12
25
13 14 15 16 17 18 19 20 21 22 23 24
GND
WBCP
VCC5
VCC8
TRFI
GND
RRFI
GND
GND
VCC4
1IFB
1IF
ML2712
TOP VIEW
PIN DESCRIPTIONS
Pin # Signal Name I/O Type
Power and Ground
11
VCC1
9
GND
15
VCC2
16
VCC3
17
GND
27
VCC4
28
GND
34
VCC5
36
GND
37
VCC6
39
GND
23
VCC7
Description
Supply Voltage for CMOS Logic. A bypass capacitor connected with minimum
trace lengths from VCC1 to PCB ground is recommended
Ground for CMOS Logic
Supply voltage for Digital/Analog Converter and Comparator. A bypass
capacitor connected with minimum trace lengths from VCC2 to PCB ground is
recommended
Supply Voltage for 1LO Prescaler and Phase Detector. A bypass capacitor
connected with minimum trace lengths from VCC3 to PCB ground is
recommended
Ground for 1LO Prescaler and Phase Detector
Supply Voltage for RF Amplifier. A bypass capacitor connected with minimum
trace lengths from VCC4 to PCB ground is recommended
Ground for RF Low Noise Amplifier
Supply Voltage for Wideband Transmit PLL Charge Pump. A bypass capacitor
connected with minimum trace lengths from VCC5 to PCB ground is
recommended
Ground for Wideband Transmit PLL Charge Pump. Minimizing the lead trace
length from this GND to PCB ground to reduce inductance and resistance is
recommended
Supply Voltage for 2LO Charge Pump. A bypass capacitor connected with
minimum trace lengths from VCC6 to PCB ground is recommended
Ground for 2LO Charge Pump
Power Supply for 2LO Prescaler and Phase Detector. A bypass capacitor
connected with minimum trace lengths from VCC7 to PCB ground is
recommended
4
PRELIMINARY DATASHEET January, 2000
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