SM1211E915 Semtech, SM1211E915 Datasheet - Page 11

• Manufacturer Part Number: SM1211E915
• Description: Dev Kit Accessory
• Manufacturer: Semtech

Specifications of SM1211E915

• Modulation Type: FSK, OOK
• Data Rate Max: 200Kbps
• Frequency Range: 902MHz To 928MHz
• Supply Voltage Range: 2.1V To 3.6V
• Module Interface: SPI
• Supply Current: 25mA
• Accessory Type: RF Module
• Sensitivity: -105dBm
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Package Type: TQFN EP
• Operating Supply Voltage (min): 2.1V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Sensitivity (dbm): -105dBm
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: na
• Lead Free Status / RoHS Status: na

Conditions: Temp = 25 ° C, VDD = 3.3 V, crystal freq uency = 12.8 MHz, unless otherwise specified.
Table 9: Digital Specification
Symbol
VIH
VIL
VOH
VOL
SCK_CONFIG
SCK_DATA
T_DATA
T_MOSI_C
T_MOSI_D
T_NSSC_L
T_NSSD_L
T_NSSC_H
T_NSSD_H
Note: on pin 10 (XTAL_P) and 11 (XTAL_N), maximum voltages of 1.8V can be applied.
Rev 7 – Sept 2
ADVANCED COMMUNICATIONS & SENSING
2.4.5. Digital Specification
nd
, 2008
Description
Digital input level high
Digital input level low
Digital output level high
Digital output level low
SPI Config. clock frequency
SPI Data clock frequency
DATA hold and setup time
MOSI setup time for SPI Config.
MOSI setup time for SPI Data.
NSS_CONFIG low to SCK rising edge.
SCK falling edge to NSS_CONFIG high.
NSS_DATA low to SCK rising edge.
SCK falling edge to NSS_DATA high.
NSS_CONFIG rising to falling edge.
NSS_DATA rising to falling edge.
Page 11 of 92
Conditions
Imax=1mA
Imax=-1mA
0.8*VDD
0.9*VDD
Min
250
312
500
625
500
625
2
-
-
-
-
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
0.2*VDD
0.1*VDD
Max
6
1
-
-
-
-
-
-
-
-
-
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SX1211
Unit
V
V
V
V
MHz
MHz
µs
ns
ns
ns
ns
ns
ns