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LV2257PTT Datasheet, PDF (2/5 Pages) Sanyo Semicon Device – Bi-CMOS IC 434MHz Band FSK/ASK Wireless Transmitter IC
LV2257PTT
Electrical Characteristics at Ta = +25°C, VCC = 3.0V, no modulation
Parameter
Current drain 1
Current drain 2
VCO frequency range
Crystal oscillator frequency range
Charge pump current
Symbol
ICCO
ICCPS
FVCO
F X tal
ICP
Conditions
FVCO = 434MHz,
when the transmitter output is 0dBm
Power saving mode
V X tal = -6dBm
VCP = 1.5V
min
430
25
Ratings
typ
7
1
±100
Unit
max
mA
100 nA
450 MHz
30 MHz
µA
Transmitter Output at Ta = +25°C, VCC = 3.0V, no modulation, FVCO = 434MHz, 50Ω termination
Parameter
Symbol
Conditions
Transmitter output 1
TxPwr1
When the pin 6 resistor is 10kΩ
Transmitter output 2
TxPwr2
When the pin 6 resistor is 4.7kΩ
Transmitter output 3
TxPwr3
When the pin 6 resistor is 1kΩ
[Ta = 25°C, VCC = 2.2V, no modulation, FVCO = 434MHz, 50Ω termination]
Transmitter output 4
TxPwr4
When the pin 6 resistor is 4.7kΩ
min
-11.5
-1.5
+8
Ratings
typ
-10
0
+10
max
-8.5
1.5
+12
unit
dBm
dBm
dBm
-2.5
-1
0.5 dB
Modulation Frequency at Ta = +25°C, VCC = 3.0V
Parameter
Modulation frequency 1
Modulation frequency 2
Symbol
Fmodf
Fmoda
FSK mode
ASK mode
Conditions
Ratings
Unit
min
typ
max
20 kHz
20 kHz
Package Dimensions
unit : mm (typ)
3297
3.0
10
6
1
(0.5)
5
0.5 0.2
0.125
SANYO : MSOP10(150mil)
No.A0339-2/5