MICRF505BML TR Micrel Inc, MICRF505BML TR Datasheet - Page 42

• Manufacturer Part Number: MICRF505BML TR
• Manufacturer: Micrel Inc

Specifications of MICRF505BML TR

• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Modulation Type: FSK
• Lead Free Status / Rohs Status: Not Compliant

The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel
for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a
product can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended
for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a
significant injury to the user. A Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a
Purchaser’s own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale.
Table 9: PAbuffer bias current setting
Table 10: Frequency Error Estimation control bit
Table 11: Frequency Error Estimation control bit, cont.
FEEC_1
FEEC_3
October 2006
PA_IB2
0
0
1
1
0
0
0
0
1
1
1
1
0
0
1
1
FEEC_2
PA_IB1
FEEC_0
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
MICREL, INC. 2180 FORTUNE DRIVE, SAN JOSE, CA 95131 USA
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No. of DEMOD_DT bit used during the
measurement.
8
16
32
64
PA_IB0
FEE Mode
Off
Counting UP pulses
Counting DN pulses
Counting UP and DN pulses. UP increments the
counter, DN decrements it.
0
1
0
1
0
1
0
1
State
PAbuffer uses bias current from PTATBias source, external resistor (Pin 2)
PAbuffer uses bias current from separate bias source, external resistor (Pin 8)
PAbuffer uses bias current from internal bias source, lowest current
PAbuffer uses bias current from internal bias source
PAbuffer uses bias current from internal bias source, typical current
PAbuffer uses bias current from internal bias source
PAbuffer uses bias current from internal bias source
PAbuffer uses bias current from internal bias source, highest current
© 2006 Micrel, Incorporated.
42
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