HMC7992 Просмотр технического описания (PDF) - Analog Devices
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HMC7992 Datasheet PDF : 13 Pages
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HMC7992
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Data Sheet
RF4 1
GND 2
GND 3
RF3 4
HMC7992
TOP VIEW
(Not to Scale)
12 RF1
11 GND
10 GND
9 RF2
NOTES
1. THE EXPOSED PAD MUST CONNECT
TO RF/DC GROUND.
Figure 4. Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
Mnemonic Description
1
RF4
RF Port 4. This pin is dc-coupled and matched to 50 Ω. A dc blocking capacitor is required on this pin.
2, 3, 5, 10,
GND
11, 13, 14, 16
Ground. The package bottom has an exposed metal pad that must connect to the printed circuit board (PCB)
RF/dc ground. See Figure 5 for the GND interface schematic.
4
RF3
RF Port 3. This pin is dc-coupled and matched to 50 Ω. A dc blocking capacitor is required on this pin.
6
VDD
Supply Voltage.
7
B
Logic Control Input B. See Figure 6 for the control input interface schematic. See Table 6 and the
recommended input control voltages range in Table 2.
8
A
Logic Control Input A. See Figure 6 for the control input interface schematic. See Table 6 and the
recommended input control voltages range in Table 2.
9
RF2
RF Port 2. This pin is dc-coupled and matched to 50 Ω. A dc blocking capacitor is required on this pin.
12
RF1
RF Port 1. This pin is dc-coupled and matched to 50 Ω. A dc blocking capacitor is required on this pin.
15
RFC
RF Common Port. This pin is dc-coupled and matched to 50 Ω. A dc blocking capacitor is required on this pin.
EPAD
Exposed Pad. The exposed pad must connect to RF/dc ground.
Table 6. Truth Table
Control Input
A
B
Low
Low
High
Low
Low
High
High
High
INTERFACE SCHEMATICS
GND
Signal Path State
RFC to
RF1
RF2
RF3
RF4
VDD
A/B
Figure 5. GND Interface Schematic
Figure 6. Logic Control (A/B) Interface Schematic
Rev. 0 | Page 6 of 13
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