TH71102 Datasheet, PDF (9/20 Pages) List of Unclassifed Manufacturers – FSK/FM/ASK Receiver

TH71102
315/433MHz
FSK/FM/ASK Receiver
DC Characteristics
all parameters under normal operating conditions, unless otherwise stated;
typical values at T_a = 23 °C and V_cc = 3 V
Parameter
Symbol
Condition
Min Typ
Standby current
Total supply current at low gain
Total supply current at high gain
Opamp input offset voltage
Opamp input offset current
Opamp input bias current
RSSI voltage at low input level
RSSI voltage at high input level
I_SBY
I_{cc, low}
I_{cc, high}
V_offs
I_offs
I_bias
V_{RSSI, low}
V_{RSSI, high}
ENRX=0
ENRX=1,
LNA at LOW GAIN
ENRX=1,
LNA at HIGH GAIN
I_OAP – I_OAN
0.5 * (I_OAP + I_OAN)
P_i = -65 dBm,
LNA at LOW GAIN
P_i = -35 dBm,
LNA at LOW GAIN
5.0 6.5
6.5 8.2
-20
-50
-100
0.5 1.0
1.25 1.9
Max
100
8.0
10.0
20
50
100
1.5
2.45
Unit
nA
mA
mA
mV
nA
nA
V
V
AC System Characteristics
all parameters under normal operating conditions, unless otherwise stated;
all parameters based on test circuits for FSK (Fig. 2), FM (Fig. 4) and ASK (Fig. 5), respectively;
typical values at T_a = 23 °C and V_cc = 3 V, RF at 433.6 MHz, second IF at 10.7 MHz
Parameter
Symbol
Condition
Min Typ Max
start-up time – FSK/FM
T_FSK
ENRX from 0 to 1,
valid data at output
start-up time – ASK
T_ASK
depends on ASK
detector time constant,
valid data at output
input sensitivity – FSK
(narrow band)
P_{min, n}
input sensitivity – FSK
(wide band)
P_{min, w}
input sensitivity – ASK
(narrow band)
input sensitivity – ASK
(wide band)
maximum input signal – FSK/FM
P_{minA, n}
P_{minA, w}
P_{max, FM}
maximum input signal – ASK
P_{max, ASK}
B_IF2 = 40kHz
∆f = ±15kHz (FSK/FM)
BER ≤ 3⋅10^-3
B_IF2 = 150kHz
∆f = ±50kHz (FSK/FM)
BER ≤ 3⋅10^-3
B_IF2 = 40kHz
BER ≤ 3⋅10^-3
B_IF2 = 150kHz
BER ≤ 3⋅10^-3
BER ≤ 3⋅10^-3
LNA at LOW GAIN
BER ≤ 3⋅10^-3
LNA at LOW GAIN
spurious emission
image rejection
blocking immunity
VCO gain
Charge pump current
P_spur
∆P_imag
∆P_block
K_VCO
I_CP
∆f_block > ±2MHz, note 1
Notes: 1. desired signal with FSK/FM or ASK modulation, CW blocking signal
0.9
-111
R3•C12
+
T_FSK
-104
-109
-106
0
-10
-70
65
57
250
60
Unit
ms
ms
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
dB
MHz/V
µA
TH71102 Data Sheet
3901071102
Page 9 of 20
Nov. 2001
Rev. 005