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Part: SA605
Category:
Communication
-> Freq/Signal Converters/Generators
Description: SA605; High Performance Low Power Mixer FM if System
Company: Philips Semiconductors
Datasheet: Download SA605 datasheet File size : 70 kB
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Datasheet text preview:
RF COMMUNICATIONS PRODUCTS
SA605 High performance low power mixer FM IF system
Product specification Replaces data of November 3, 1992 RF Communications Handbook 1997 Nov 07
Philips Semiconductors
Philips Semiconductors
Product specification
High performance low power mixer FM IF system
SA605
DESCRIPTION
The SA605 is a high performance monolithic low-power FM IF system incorporating a mixer/oscillator, two limiting intermediate frequency amplifiers, quadrature detector, muting, logarithmic received signal strength indicator (RSSI), and voltage regulator. The SA605 combines the functions of Signetics' SA602 and SA604A, but features a higher mixer input intercept point, higher IF bandwidth (25MHz) and temperature compensated RSSI and limiters permitting higher performance application. The SA605 is available in 20-lead dual-in-line plastic, 20-lead SOL (surface-mounted miniature package) and 20-lead SSOP (shrink small outline package). The SA605 and SA615 are functionally the same device types. The difference between the two devices lies in the guaranteed specifications. The SA615 has a higher ICC, lower input third order intercept point, lower conversion mixer gain, lower limiter gain, lower AM rejection, lower SINAD, higher THD, and higher RSSI error than the SA605. Both the SA605 and SA615 devices will meet the EIA specifications for AMPS and TACS cellular radio applications. For additional technical information please refer to application notes AN1994, 1995 and 1996, which include example application diagrams, a complete overview of the product, and artwork for reference.
PIN CONFIGURATION
N, D and DK Packages
RFIN 1 20 MIXER OUT 19 IF AMP DECOUPLING 18 IF AMP IN 17 IF AMP DECOUPLING
RF BYPASS 2 XTAL OSC XTAL OSC MUTEIN V CC RSSIOUT 3 4 5 6 7
16 IF AMP OUT 15 GND 14 LIMITER IN 13 12 11 LIMITER DECOUPLING LIMITER DECOUPLING LIMITER OUT
MUTED AUDIO OUT 8 UNMUTED AUDIO OUT 9 QUADRATURE IN 10
SR00335
Figure 1. Pin Configuration
FEATURES
APPLICATIONS
· Cellular radio FM IF · High performance communications receivers · Single conversion VHF/UHF receivers · SCA receivers · RF level meter · Spectrum analyzer · Instrumentation · FSK and ASK data receivers · Log amps · Wideband low current amplification
· Low power consumption: 5.7mA typical at 6V · Mixer input to >500MHz · Mixer conversion power gain of 13dB at 45MHz · Mixer noise figure of 4.6dB at 45MHz · XTAL oscillator effective to 150MHz (L.C. oscillator to 1GHz local
oscillator can be injected)
· 102dB of IF Amp/Limiter gain · 25MHz limiter small signal bandwidth · Temperature compensated logarithmic Received Signal Strength
Indicator (RSSI) with a dynamic range in excess of 90dB
· Two audio outputs - muted and unmuted · Low external component count; suitable for crystal/ceramic/LC
filters
· Excellent sensitivity:
0.22µV into 50 matching network for 12dB SINAD (Signal to Noise and Distortion ratio) for 1kHz tone with RF at 45MHz and IF at 455kHz
· SA605 meets cellular radio specifications · ESD hardened
ORDERING INFORMATION
DESCRIPTION 20-Pin Plastic Dual In-Line Package (DIP) 20-Pin Plastic Small Outline Large (SOL) package 20-Pin Plastic Shrink Small Outline Package (SSOP) TEMPERATURE RANGE 40 to +85°C 40 to +85°C 40 to +85°C ORDER CODE SA605N SA605D SA605DK DWG # SOT146-1 SOT163-1 SOT266-1
1997 Nov 07
2
853-1401 18663
Philips Semiconductors
Product specification
High performance low power mixer FM IF system
SA605
BLOCK DIAGRAM
20 19 18 17 16 15 14 13 12 11
IF AMP
LIMITER
RSSI OSCILLATOR
E
B
1
2
3
4
5
6
7
8
9
10
SR00336
Figure 2. Block Diagram
ABSOLUTE MAXIMUM RATINGS
SYMBOL VCC TSTG TA JA Single supply voltage Storage temperature range Operating ambient temperature range SA605 Thermal impedance D package N package SSOP package PARAMETER RATING 9 -65 to +150 40 to +85 90 75 117 UNITS V
°C °C
°C/W
DC ELECTRICAL CHARACTERISTICS
VCC = +6V, TA = 25°C; unless otherwise stated. LIMITS SYMBOL VCC ICC PARAMETER Power supply voltage range DC current drain Mute switch input threshold (ON) (OFF) TEST CONDITIONS MIN 4.5 4.55 1.7 1.0 5.7 SA605 TYP MAX 8.0 6.55 V mA V V UNITS
1997 Nov 07
3
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