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Part: SA606N
Category:
Communication
-> Freq/Signal Converters/Generators
Description: SA606; Low-voltage High Performance Mixer FM if System
Company: Philips Semiconductors
Datasheet: Download SA606N datasheet File size : 70 kB
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Datasheet text preview:
RF COMMUNICATIONS PRODUCTS
20
19
18
17
16
15
14
13
12
11
IF AMP
LIMITER
MIXER
RSSI QUAD OSCILLATOR
+
VREG
+
E
B
AUDIO
1
2
3
4
5
6
7
8
9
10
SA606 Low-voltage high performance mixer FM IF system
Product Specification Replaces data of October 26, 1993 RF Data Handbook 1997 Nov 07
Philips Semiconductors
Philips Semiconductors
Product specification
Low-voltage high performance mixer FM IF system
SA606
DESCRIPTION
The SA606 is a low-voltage high performance monolithic FM IF system incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers, quadrature detector, logarithmic received signal strength indicator (RSSI), voltage regulator and audio and RSSI op amps. The SA606 is available in 20-lead SOL (surface-mounted small outline large package) and 20-lead SSOP (shrink small outline package). The SA606 was designed for portable communication applications and will function down to 2.7V. The RF section is similar to the famous SA605. The audio and RSSI outputs have amplifiers with access to the feedback path. This enables the designer to level adjust the outputs or add filtering.
PIN CONFIGURATION
D and DK Packages
RF IN+ 1 20 MIXER OUT 19 IF AMP DECOUPLING 18 IF AMP IN 17 IF AMP DECOUPLING 16 IF AMP OUT 15 GND 14 LIMITER IN 13 LIMITER DECOUPLING 12 LIMITER DECOUPLING 11 LIMITER OUT
RF IN- DECOUPLING 2 OSCOUT OSCIN 3 4
RSSI 5 V CC AUDIO FEEDBACK AUDIO 6 7 8 9
FEATURES
RSSI FEEDBACK
· Low power consumption: 3.5mA typical at 3V · Mixer input to >150MHz · Mixer conversion power gain of 17dB at 45MHz · XTAL oscillator effective to 150MHz (L.C. oscillator or external
oscillator can be used at higher frequencies)
QUADRATURE IN 10
SR00347
· ESD protection:
Figure 1. Pin Configuration Human Body Model 2kV Robot Model 200V
· 102dB of IF Amp/Limiter gain · 2MHz limiter small signal bandwidth · Temperature compensated logarithmic Received Signal Strength
Indicator (RSSI) with a 90dB dynamic range
APPLICATIONS
· Low external component count; suitable for crystal/ceramic/LC
filters
· Excellent sensitivity:
0.31µV into 50 matching network for 12dB SINAD (Signal to Noise and Distortion ratio) for 1kHz tone with RF at 45MHz and IF at 455kHz
· SA606 meets cellular radio specifications · Audio output internal op amp · RSSI output internal op amp · Internal op amps with rail-to-rail outputs
ORDERING INFORMATION
DESCRIPTION 20-Pin Plastic Small Outline Large (SOL) package (Surface-mount) 20-Pin Plastic Shrink Small Outline Package (SSOP) (Surface-mount)
· Portable cellular radio FM IF · Cordless phones · Wireless systems · RF level meter · Spectrum analyzer · Instrumentation · FSK and ASK data receivers · Log amps · Portable high performance communication receiver · Single conversion VHF receivers
TEMPERATURE RANGE -40 to +85°C -40 to +85°C
ORDER CODE SA606D SA606DK
DWG # SOT163-1 SOT266-1
ABSOLUTE MAXIMUM RATINGS
SYMBOL VCC TSTG TA JA Single supply voltage Storage temperature range Operating ambient temperature range Thermal impedance D package DK package PARAMETER RATING 7 -65 to +150 -40 to +85 90 117 UNITS V °C °C °C/W
1997 Nov 07
2
853-1576 18665
Philips Semiconductors
Product specification
Low-voltage high performance mixer FM IF system
SA606
BLOCK DIAGRAM
20 19 18 17 16 15 14 13 12 11
IF AMP MIXER RSSI
LIMITER
QUAD OSCILLATOR
+ VREG E B
+
AUDIO
1
2
3
4
5
6
7
8
9
10
SR00348
Figure 2. Block Diagram
DC ELECTRICAL CHARACTERISTICS
VCC = +3V, TA = 25°C; unless otherwise stated. SYMBOL VCC ICC PARAMETER Power supply voltage range DC current drain TEST CONDITIONS CONDITIONS LIMITS MIN 2.7 3.5 TYP MAX 7.0 4.2 UNITS V mA
AC ELECTRICAL CHARACTERISTICS
TA = 25°C; VCC = +3V, unless otherwise stated. RF frequency = 45MHz + 14.5dBV RF input step-up; IF frequency = 455kHz; R17 = 2.4k and R18 = 3.3k; RF level = -45dBm; FM modulation = 1kHz with ±8kHz peak deviation. Audio output with de-emphasis filter and C-message weighted filter. Test circuit Figure 3. The parameters listed below are tested using automatic test equipment to assure consistent electrical characterristics. The limits do not represent the ultimate performance limits of the device. Use of an optimized RF layout will improve many of the listed parameters. SYMBOL PARAMETER TEST CONDITIONS CONDITIONS LIMITS MIN TYP 150 150 6.2 f1 = 45.0; f2 = 45.06MHz Input RF level = -52dBm Matched 14.5dBV step-up 50 source RF input resistance RF input capacitance Mixer output resistance IF section IF amp gain Limiter gain Input limiting -3dB, R17a = 2.4k, R17b = 3.3k AM rejection Audio level SINAD sensitivity 50 source 50 source Test at Pin 18 80% AM 1kHz Gain of two (2k AC load) IF level -110dBm 70 44 58 -109 45 120 17 160 dB dB dBm dB mV dB (Pin 20) 1.25 Single-ended input 13.5 -9 17 +2.5 8 3.0 1.5 4.0 19.5 MAX UNITS
Mixer/Osc section (ext LO = 220mVRMS) fIN fOSC Input signal frequency Crystal oscillator frequency Noise figure at 45MHz Third-order input intercept point (50 source) Conversion voltage gain MHz MHz dB dBm dB dB k pF k
1997 Nov 07
3
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