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U3741BM Datasheet, PDF (21/25 Pages) ATMEL Corporation – UHF ASK RECEIVER IC | |||
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U3741BM
Electrical Characteristics (continued)
All parameters refer to GND, Tamb = â40°C to +105°C, VS = 4.5 V to 5.5 V, f0 = 433.92 MHz and f0 = 315 MHz,
unless otherwise specified. (VS = 5 V, Tamb = 25°C)
Parameters
Test Conditions / Pins
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Analog signal processing
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input sensitivity ASK
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 300-kHz IF filter
Input matched according to
figure 6
ASK (level of carrier)
BER ⤠10â3, B = 300 kHz
fin = 433.92 MHz/ 315 MHz
T = 25°C, VS = 5 V
fIF = 1 MHz
BR_Range0
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ BR_Range1
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ BR_Range2
BR_Range3
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input sensitivity ASK
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 600 kHz IF filter
Input matched according to
figure 6
ASK (level of carrier)
BER ⤠10â3, B = 600 kHz
fin = 433.92 MHz/ 315 MHz
T = 25°C, VS = 5 V
fIF = 1 MHz
BR_Range0
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ BR_Range1
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ BR_Range2
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ BR_Range3
Sensitivity variation ASK for 300-kHz and 600-kHz version
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ the full operating range
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà compared to Tamb = 25°C,
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VS = 5 V
fin = 433.92 MHz/ 315 MHz
D fIF = 1 MHz
PASK = PRef_ASK + PRef
Sensitivity variation ASK for 300-kHz version
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ full operating range including fin = 433.92 MHz/ 315 MHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IF filter compared to
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà Tamb = 25°C, VS = 5 V
fIF = 0.88 MHz to 1.12 MHz
fPIAFS=K0=.8P5RMef_HAzSKto+1D.1P5RMefHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 600-kHz version
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ fin = 433.92 MHz/ 315 MHz
fIF = 0.79 MHz to 1.21 MHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ fPIAFS=K0=.7P3RMef_HAzSKto+1D.2P7RMefHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input sensitivity FSK
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ 600 kHz IF filter
Input matched according to
figure 6,
BER ⤠10â3, B = 600 kHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ fin = 433.92 MHz/ 315 MHz
T = 25°C, VS = 5 V
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ fIF = 1 MHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ BR_Range0
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà df ⥠± 20 kHz
df ⥠± 30 kHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ BR_Range1
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà df ⥠± 20 kHz
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà df ⥠± 30 kHz
Symbol Min.
PRef_ASK
PRef_ASK
â109
â107
â106
â104
DPRef
DPRef
DPRef
â108
â106.5
â106
â104
+2.5
+5.5
+7.5
+5.5
+7.5
PRef_FSK
â95.5
â96.5
â94.5
â95.5
Typ.
â111
â109
â108
â106
â110
â108.5
â108
â106
â97.5
â98.5
â96.5
â97.5
Max.
Unit
â113
dBm
â111
dBm
â110
dBm
â108
dBm
â112
dBm
â110.5 dBm
â110
dBm
â108
dBm
â1.5
dB
â1.5
dB
â1.5
dB
â1.5
dB
â1.5
dB
â99.5
dBm
100.5
dBm
â98.5
dBm
â99.5
dBm
Rev. A1, 15-Oct-98
Preliminary Information
21 (25)
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