SX1223I073TRT Semtech, SX1223I073TRT Datasheet - Page 4

• Manufacturer Part Number: SX1223I073TRT
• Description: IC TX UHF 433/868/916 MHZ 24TQFN
• Manufacturer: Semtech

Specifications of SX1223I073TRT

• Frequency: 425 ~ 475MHz / 850 ~ 950MHz
• Applications: AMR, Home Automation, HQ Music and Data
• Modulation Or Protocol: FSK
• Data Rate - Maximum: 153.6 kbps
• Power - Output: 10dBm
• Current - Transmitting: 25.8mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-TQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Other names: SX1223I073TR

2
© Semtech 2007
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
PIN DESCRIPTION
Name
VDD
VSSP
VDDP
RFOUT
VSSP
PTATBIAS/PAC
XTB
XTA
VDDD
VSSD
VDD
LD
CLKOUT
DCLK
DATAIN
SCK
EN
SI
SO
CPOUT
VARIN
VSSF
VDDF
CIBIAS
Note: Thermal Pad on the bottom of the package must be connected to ground.
I/O
-
-
-
OUT
-
IN/OUT
IN/OUT
IN/OUT
-
-
-
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
bottom view
Thermal
Pad
4
1
24
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