SA58640 데이터 시트보기 (PDF) - NXP Semiconductors.
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SA58640 Datasheet PDF : 20 Pages
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NXP Semiconductors
12. Performance curves
SA58640
Low-voltage mixer FM IF system
6
ICC
(mA)
5
VCC = 7 V
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20
IF output power
(dBm)
0
−20
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4
5V
−40
(1)
(2)
−60
3
−55 −35 −15 5
25 45 65 85 105 125
Tamb (°C)
Fig 3. Supply current versus ambient temperature
5
relative level
(1)
(dB)
−5
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−15
−25
−35
(2)
−45
−55
−65
−125
−105
(3)
(4)
−85
−65
−45
−25
RF level (dBm)
VCC = 5 V; RF = 45 MHz; deviation = ±5 kHz;
Vo(aud)RMS = 117.6 mV.
(1) Audio.
(2) AM rejection.
(3) THD+N.
(4) Noise.
Fig 5. Relative level of audio, AM rejection, THD+N
and noise versus RF level (Tamb = +25 °C)
−80
−66
−46
−26
−6
14
34
RF(3) input level (dBm)
RF = 45 MHz; IF = 455 kHz.
(1) Fund product.
(2) Third-order product.
(3) 50 Ω input.
Fig 4. Mixer third-order intercept and compression
1.9
Vo(RSSI)
(V)
1.5
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85 °C
27 °C
−40 °C
1.1
0.7
0.3
−125
−105
−85
−65
−45
RF level (dBm)
Fig 6. RSSI output voltage versus RF level
(VCC = 5 V)
SA58640
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 12 April 2011
© NXP B.V. 2011. All rights reserved.
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