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STHVDAC-253M Datasheet(PDF) 6 Page - STMicroelectronics

Part # STHVDAC-253M
Description  Antenna tuning circuit
PDF  27 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STHVDAC-253M Datasheet(HTML) 6 Page - STMicroelectronics

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Functional block diagram
STHVDAC-253M
6/27
DocID025735 Rev 1
2
Functional block diagram
Figure 2. HVDAC functional block diagram
Table 5. Signal descriptions
Pin number
Pin name
Description
A1
DATA
RFFE interface / serial DATA
A2
GND_BOOST
Power ground for BOOST
A3
IND_BOOST
Boost inductance
A4
AVDD
Analog supply
B1
CLK
RFFE interface / serial clock
B2
GND_DIG
Ground reference
B3
GND
Tie to GND plane on PCB
B4
VHV
Boost high voltage output
C1
VIO
RFFE interface / Serial I/O supply
C2
GND
Tie to GND plane on PCB
C3
GND_REF
Ground reference
C4
Rbias
Biasing reference resistance
D1
SELSID
RFFE interface / SELSID
D2
OUTA
High voltage output A
D3
OUTB
High voltage output B
D4
OUTC
High voltage output C
Boost diode
A3
B4
Boost
power
MOS
A2
Boost
control
GND_REF
OUTA
sense
drive
VHV
D2
C1
sense
VIO
IND_BOOST
VHV
GND_BOOST
A4
C4
C3
sense
R_BIAS
AVDD
GND_REF
POR_VDIG
B1
A1
CLK
DATA
D1
SELSID
3 wire interface
and
register bank
HVAMP
OUTB
D3
OUTC
D4
7-bit DAC A
""
Internal
biasing
reference
B2
GND_DIG
B3
C2
GND
GND
Power management
and
control logic
7-bit DAC
"B"
7-bit DAC
"C"



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