NJM2549RB2 Ver la hoja de datos (PDF) - Japan Radio Corporation
Número de pieza
componentes Descripción
Fabricante
NJM2549RB2 Datasheet PDF : 18 Pages
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NJM2549
PARAMETER
SYMBOL
TEST CONDITIONS
MIN.
DETECTION
Demodulated DC Level
VO DC1
IF IN = 10.62MHz, No Modulation,
Test Circuit 1
-
VO DC2
IF IN = 10.7MHz, No Modulation,
Test Circuit 1
0.8
VO DC3
IF IN = 10.83MHz, No Modulation,
Test Circuit 1
2.7
Demodulated Signal Level
VO AC1 Test Circuit 1
120
Demodulated Signal Level
of IF/3
VO AC2
IF IN = 3.56667MHz, 100dBuV,
Test Circuit 1
100
12dB SINAD Sensitivity
12dBS/N Test Circuit 1
-
- 3dB Limiting Sensitivity
PI LIM
Measured at -3dB,
Test Circuit 1
-
Signal to Noise Ratio
S/N
Ratio of S+N and N,
Test Circuit 1
-
AM Rejection Ratio
AMR
AM = 30%,
Test Circuit 1
-
Total Harmonic Distortion
THD
fdev = ± 30kHz,
Test Circuit 1
-
AF Output pin Bias Current
IO AF
No Signal,
Test Circuit 4
160
Demodulated Signal
Frequency Characteristics
fdev = ±100kHz,
fDET fmod = 1kHz to 1MHz,
Gain deflection, Test Circuit 6
-
RSSI
V RSSI1
No Signal,
Test Circuit 1
-
RSSI Output Voltage
V RSSI2
IF IN = 45dBuV,
Test Circuit 1
350
V RSSI3
IF IN = 80dBuV,
Test Circuit 1
1.5
V RSSI4
IF IN = 100dBuV,
Test Circuit 1
1.8
RSSI Output Resistance
RSSI Dynamic Range
RSSI Response
RO RSSI
5 - 6 pin Resistance,
Test Circuit 3
12
X = ( VRSSI3 - VRSSI2 ) / 35,
DRSSI
D1 = 45 - ( VRSSI2 - VRSSI1 ) / X,
D2 = 80 + ( VRSSI4 – VRSSI 3 ) / X,
-
DRSSI = D2 - D1
Time taken for RSSI Output to
TRI
change from 10% to 90% after IF
signal turns on.
-
Test Circuit 7
Time taken for RSSI Output to
TFI
change from 90% to 10% after IF
signal turns off.
-
Test Circuit 7
The values shown in parenthesis are reference values.
TYP. MAX. UNIT
0.1
0.3
1.1
1.4
V
2.9
-
150 180
mVrms
130 160
33
-
dBuV
22
-
45
-
dB
45
-
0.5
-
%
205
250
uA
-2
-
dB
10
50
mV
550 750
1.7 1.85
V
2
2.1
15
18
KΩ
60
-
dB
4
-
usec
4
-
Ver.2010-06-24
-3-
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