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Part: SA604A
Category:
Communication
-> Freq/Signal Converters/Generators
Description: SA604A; High Performance Low Power FM if System
Company: Philips Semiconductors
Datasheet: Download SA604A datasheet File size : 70 kB
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Datasheet text preview:
RF COMMUNICATIONS PRODUCTS
SA604A High performance low power FM IF system
Product specification Replaces data of December 15, 1994 IC17 Data Handbook 1997 Nov 07
Philips Semiconductors
Philips Semiconductors
Product specification
High performance low power FM IF system
SA604A
DESCRIPTION
The SA604A is an improved monolithic low-power FM IF system incorporating two limiting intermediate frequency amplifiers, quadrature detector, muting, logarithmic received signal strength indicator, and voltage regulator. The SA604A features higher IF bandwidth (25MHz) and temperature compensated RSSI and limiters permitting higher performance application compared with the SA604. The SA604A is available in a 16-lead SO (surface-mounted miniature) package.
PIN CONFIGURATION
D Package
IF AMP DECOUPLING 1 GND 2 MUTE INPUT 3 VCC 4 16 IF AMP INPUT 15 IF AMP DECOUPLING 14 IF AMP OUTPUT 13 GND 12 LIMITER INPUT 11 LIMITER DECOUPLING 10 LIMITER DECOUPLING 9 LIMITER
RSSI OUTPUT 5
FEATURES
MUTE AUDIO OUTPUT 6 UNMUTE AUDIO OUTPUT 7 QUADRATURE INPUT 8
· Low power consumption: 3.3mA typical · Temperature compensated logarithmic Received Signal Strength
Indicator (RSSI) with a dynamic range in excess of 90dB
SR00311
· Two audio outputs - muted and unmuted · Low external component count; suitable for crystal/ceramic filters · Excellent sensitivity: 1.5µV across input pins (0.22µV into 50
matching network) for 12dB SINAD (Signal to Noise and Distortion ratio) at 455kHz
Figure 1. Pin Configuration
APPLICATIONS
· SA604A meets cellular radio specifications
· Cellular radio FM IF · High performance communications receivers · Intermediate frequency amplification and detection up to 25MHz · RF level meter · Spectrum analyzer · Instrumentation · FSK and ASK data receivers
ORDERING INFORMATION
DESCRIPTION 16-Pin Plastic Small Outline (SO) package (Surface-mount) TEMPERATURE RANGE -40 to +85°C ORDER CODE SA604AD DWG # SOT109-1
ABSOLUTE MAXIMUM RATINGS
SYMBOL VCC TSTG TA JA Single supply voltage Storage temperature range Operating ambient temperature range SA604A Thermal impedance D package PARAMETER RATING 9 -65 to +150 40 to +85 90 UNITS V °C °C °C/W
1997 Nov 07
2
853-1431 18663
Philips Semiconductors
Product specification
High performance low power FM IF system
SA604A
BLOCK DIAGRAM
16 15 14 13
GND IF AMP LIMITER QUAD DET
12
11
10
9
LIMITER
SIGNAL STRENGTH VOLTAGE REGULATOR
MUTE
GND
V CC
1
2
3
4
5
6
7
8
SR00312
Figure 2. Block Diagram
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 2.5 1.7 3.3 SA604A TYP MAX 8.0 4.0 1.0 V mA V V UNITS
1997 Nov 07
3
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