TH7110 Datasheet, PDF (10/20 Pages) List of Unclassifed Manufacturers – 315/433MHz FSK/FM/ASK Receiver

TH7110
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 Unit
Start-up time – fast mode
FSK/FM
Start-up time – slow mode
FSK/FM
Start-up time – ASK
T_fast
T_slow
T_ASK
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}
Spurious emission
Image rejection
Blocking immunity
VCO gain
Charge pump current
P_spur
∆P_imag
∆P_block
K_VCO
I_CP
ENRX from 0 to 1,
ENRO = 1,
valid data at output
ENRX from 0 to 1,
ENRO = 0,
valid data at output
depends on ASK de-
tector time constant
and start-up mode,
valid data at output
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
∆f_block > ±2MHz, note 1
0.4
ms
0.9
ms
-111
R3•C13
+
T_fast
(or T_slow)
ms
dBm
-104
dBm
-109
-106
0
-10
65
57
250
60
dBm
dBm
dBm
dBm
-70 dBm
dB
dB
MHz/V
µA
Notes: 1. desired signal with FSK/FM or ASK modulation, CW blocking signal
TH7110 Data Sheet
3901007110
Page 10 of 20
Nov. 2001
Rev. 005