MICRF104BM Micrel Inc, MICRF104BM Datasheet - Page 3

• Manufacturer Part Number: MICRF104BM
• Description: IC ASK TRANSMITTER UHF 14SOIC
• Manufacturer: Micrel Inc

Specifications of MICRF104BM

• Frequency: 300MHz ~ 470MHz
• Applications: RKE
• Modulation Or Protocol: ASK, OOK
• Data Rate - Maximum: 20 kbps
• Power - Output: -2dBm
• Current - Transmitting: 12mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 1.8 V ~ 4 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 14-SOIC (0.154", 3.90mm Width)
• Peak Reflow Compatible (260 C): No
• Supply Voltage Max: 4V
• Transceiver Type: RF Transmitter
• Data Rate Max: 20Kbps
• Leaded Process Compatible: No
• Mounting Type: Surface Mount
• No. Of Drivers: 1
• Supply Current: 35mA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Memory Size: -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant

Absolute Maximum Ratings
Supply Voltage(V
Voltage on I/O Pin EN .................................................. [tbd]
Voltage on I/O Pins, RFSTBY, ASK, PC, ANTP, ANTM
Storage Temperature Range ................... -65 C to + 150 C
Lead Temperature (soldering, 10 seconds) ........... + 300 C
ESD Rating .............................................................. Note 3
Electrical Characteristics
Specifications apply for V
T
Parameter
Power Supply
Shutdown current, I
RF Standby supply, I
RF Standby supply, I
MARK supply current, I
SPACE supply current, I
Mean operating current
5V Max. output current
5V Output Voltage range
RF Output Section and Modulation Limits:
Output power level, P
Transmitted Power
Harmonics output
Extinction ratio for ASK
Varactor tuning range
Reference Oscillator Section
Reference Oscillator Input
Impedance
Reference Oscillator Source
Current
Reference Oscillator Input
Voltage (peak to peak)
November 8, 2001
MICRF104
A
V
= 25 C, bold values indicate 0 C
SS
–0.3 to V
DD
DDPWR
VDDPWR
+0.3
VDDPWR
VDDPWR
OUT
ON
OFF
DDPWR
, V
DDRF
= 1.8V, V
) .................................. +6V
Condition
EN = RFSTBY = V
RFSTBY = V
RFSTBY = V
Note 4,
Note 4, V
V
33% mark/space ratio, Note 4
33% mark/space ratio, V
Note 9, V
Note 9
@315MHz; Note 4, Note 5
@433MHz; Note 4, Note 5
@315MHz
@433MHz
@ 315MHz
@433 MHz
Note 7
DDPWR
T
A
PC
(Note 1)
85 C unless otherwise noted.
= 4V
DDPWR
DDPWR
= 0.35V, freq
SS
SS
, EN = V
, EN = V
= 4V
= 4V
SS
REFOSC
DDPWR
DDPWR
DDRWR
= 12.1875MHz, RFSTBY = V
3
= 4V
= 4V, Note 4
Operating Ratings
Supply Voltage (V
PC Input Range .................................. 0.15V < V
Ambient Operating Temperature (T
Programmable Transmitter Frequency Range: 300MHz to
470MHz
2nd harm.
2nd harm.
3rd harm.
3rd harm.
DDPWR
DDRF
) .................................. 1.8V to 4V
(Note 2)
, EN = V
4.75
Min
0.2
15
35
40
5
A
DDPWR
) ............ 0 C to +85 C
–2.5
Typ
–46
–45
–50
–41
300
1.5
0.6
tbd
tbd
6.5
50
31
12
22
25
10
–2
52
9
6
.
Max
5.25
0.5
41
17
30
12
34
14
8
PC
MICRF104
< 0.35V
Micrel
Units
dBm
dBm
V
dBc
dBc
dBc
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
V/m
V/m
k
pF
V
PP
A
A