SX1223 데이터 시트보기 (PDF) - Semtech Corporation
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SX1223 Datasheet PDF : 25 Pages
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SX1223
2 PIN DESCRIPTION
Pin Name
I/O
1 VDD
-
2 VSSP
-
3 VDDP
-
4 RFOUT
OUT
5 VSSP
-
6 PTATBIAS/PAC IN/OUT
7 XTB
IN/OUT
8 XTA
IN/OUT
9 VDDD
-
10 VSSD
-
11 VDD
-
12 LD
13 CLKOUT
14 DCLK
15 DATAIN
16 SCK
17 EN
18 SI
19 SO
20 CPOUT
21 VARIN
22 VSSF
23 VDDF
24 CIBIAS
OUT
OUT
OUT
IN
IN
IN
IN
OUT
OUT
IN
-
-
OUT
Function
Main analog power supply
Max 3.6V in sv1-mode
Max 2.5V in sv2-mode
PA ground
In sv1-mode: PA LDO output, capacitor needed
In sv2-mode: PA power supply, max 2.5 V
RF output
PA ground
PTAT source bias resistor / PA start-up control capacitor
Crystal oscillator pin & input for external reference
Crystal oscillator pin
In sv1-mode: Digital LDO output, capacitor needed
In sv2-mode: Digital power supply, max 2.5V
Digital ground
Main digital power supply
Max 3.6V in sv1-mode
Max 2.5V in sv2-mode
Lock detect output
Output clock (1 MHz)
Data clock output
Data input
3-wire interface clock input
Enable signal for the 3-wire interface
3-wire interface data input
3-wire interface data output
PLL charge pump output
VCO varactor input
Analog ground
In sv1-mode: Analog LDO output, capacitor needed
In sv2-mode: Analog power supply max 2.5 V
CI source bias resistor
Note: Thermal Pad on the bottom of the package must be connected to ground.
Thermal
Pad
24
bottom view 1
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