ATA8204_14 Datasheet, PDF (39/45 Pages) ATMEL Corporation – Industrial UHF ASK/FSK Receiver

19. Electrical Characteristics Atmel ATA8203, ATA8204, ATA8205 (Continued)
All parameters refer to GND, T_amb = 25°C, V_S = 5V, f₀ = 868.3MHz, f₀ = 433.92MHz and f₀ = 315MHz, unless otherwise specified.
No. Parameters
Test Conditions
Symbol Min.
Typ. Max. Unit Type*
13.6
Static capacitance at pin
XTAL1 to GND
Parameter of the supplied crystal and
board parasitics
C_L1
–5%
18
+5%
pF
B
13.7
Static capacitance at pin
XTAL2 to GND
Parameter of the supplied crystal and
board parasitics
C_L2
–5%
18
+5%
pF
B
13.8
Crystal series resistor Rm at
start-up
C₀ < 1.8pF, C_L = 9pF
f_XTAL = 14.71875MHz
C₀ < 2.0pF, C_L = 9pF
1.5
f_XTAL = 13.52875MHz
1.5
f_XTAL = 13.55234MHz
14 Analog Signal Processing (Input Matched According to Figure 14-1 on page 30 Referred to RFIN)
kΩ
B
kΩ
B
Input sensitivity ASK
14.1 300 kHz IF Filter
(ATA8203/ATA8204)
ASK (level of carrier)
BER ≤ 10^-3, 100% Mod
f_in = 315MHz/433.92MHz
V_S = 5V, T_amb = 25°C
f_IF = 987kHz
BR_Range0
BR_Range1
P_{Ref_ASK}
–111
–113 –115 dBm B
–109.5 –111.5 –113.5 dBm B
BR_Range2
–109
–111
–113 dBm B
BR_Range3
–107
–109
–111 dBm B
Input sensitivity ASK
14.2 600 kHz IF Filter
(ATA8205)
ASK (level of carrier)
BER ≤ 10^-3, 100% Mod
f_in = 868.3MHz
V_S = 5V, T_amb = 25°C
f_IF = 948kHz
BR_Range0
BR_Range1
P_{Ref_ASK}
–109
–111
–113 dBm B
–107.5 –109.5 –111.5 dBm B
BR_Range2
–107
–109
–111 dBm B
BR_Range3
–105
–107 –109 dBm B
Sensitivity variation ASK for
14.3
the full operating range
compared to T_amb = 25°C,
V_S = 5V
(ATA8203/ATA8204/ATA8205
300kHz and 600kHz
f_in = 315MHz/433.92MHz/868.3MHz
P_ASK = P_{Ref_ASK} + ΔP_Ref
)
ΔP_Ref
+2.5
–1.5
dB
B
300 kHz version
(ATA8203/ATA8204)
f_in = 315MHz/433.92MHz
f_IF = 987kHz
14.4
Sensitivity variation ASK for
full operating range including
IF filter compared to
f_IF = –110kHz to +110kHz
f_IF = –140kHz to +140kHz
P_ASK = P_{Ref_ASK} + ΔP_Ref
T_amb = 25°C, V_S = 5V
600kHz version (ATA8205)
f_in = 868.3MHz
f_IF = 948kHz
f_IF = –210kHz to +210kHz
f_IF = –270kHz to +270kHz
P_ASK = P_{Ref_ASK} + ΔP_Ref
ΔP_Ref
+7.5
+9.5
ΔP_Ref
+6.5
+8.5
–1.5
dB
B
–1.5
dB
–1.5
dB
B
–1.5
dB
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
ATA8203/ATA8204/ATA8205 [DATASHEET]
39
9121D–INDCO–09/14