SL6652DG20 データシートの表示（PDF） - Zarlink Semiconductor Inc
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SL6652DG20 Datasheet PDF : 11 Pages
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SL6652 IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS
SL6652
DS 3285 -1
LOWER POWER IF/AF CIRCUIT (WITH RSSI) FOR FM CELLULAR RADIO
The SL6652 is a complete single chip mixer/oscillator, IF
amplifier and detector for FM cellular radio, cordless
telephones and low power radio applications. It features an
exceptionally stable RSSI (Received Signal Strength
Indicator) output using a unique system of detection. Supply
current is less than 2mA from a supply voltage in the range
2.5V to 7.5V.
FEATURES
Low Power Consumption (1.5mA)
Single Chip Solution
Guaranteed 100MHz Operation
Exceptionally Stable RSSI
APPLICATIONS
Cellular Radio Telephones
Cordless Telephones
QUICK REFERENCE DATA
Supply Voltage 2.5V to 7 5V
Sensitivity 3µV
Co-Channel Rejection 7dB
Fig. 1 Pin connections (top view)
DP20
DG20
MP20
VCC
33p
270p
OSCILLATOR
INPUT
200mV
RMS
1n
33k 33k
8p2
18
17
C
B
OSCILLATOR
TRANSISTOR
20 - 40p
10µ
VCC
X1
0V
8p2
220n
10p
16 15
6
5
50µA
E
1
DETECTOR
0V
39k
2
1µA
3
40k
4
40k
VCC
330p
100mV RMS
(3kHz DEVIATION)
270p
AUDIO
OUTPUTS
270p
RFC
MIXER 1n
INPUT
3µV
+15dB (ADJUSTABLE)
100MHz MAX
19 8µA
2k
20
MIXER
8µA
7 1k
SL6652
BIAS
8
10k
+1.2V
10n
100n
9
10
1.5k
LOAD
RESISTOR
CERAMIC
FILTER
+90dB (LIGHTING)
1.5MHz MAX
20k
IF AMP
200k
14
13
220n
11
RSSI
200k
12
220n
1.5k
(TO MATCH FILTER)
1k
10n
RSSI
100n
Fig. 2 block diagram
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