Philips Semiconductors
Product specification
High performance low power FM IF system
NE/SA604A
DESCRIPTION
The NE/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 NE/SA604A features higher IF
bandwidth (25MHz) and temperature compensated RSSI and
limiters permitting higher performance application compared with the
NE/SA604. The NE/SA604A is available in a 16-lead dual-in-line
plastic and 16-lead SO (surface-mounted miniature) package.
PIN CONFIGURATION
D and N Packages
IF AMP DECOUPLING 1
GND 2
MUTE INPUT 3
V
CC
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
鈥?/div>
Low power consumption: 3.3mA typical
鈥?/div>
Temperature compensated logarithmic Received Signal Strength
Indicator (RSSI) with a dynamic range in excess of 90dB
SR00311
鈥?/div>
Two audio outputs - muted and unmuted
鈥?/div>
Low external component count; suitable for crystal/ceramic filters
鈥?/div>
Excellent sensitivity: 1.5碌V across input pins (0.22碌V into 50鈩?/div>
matching network) for 12dB SINAD (Signal to Noise and Distortion
ratio) at 455kHz
Figure 1. Pin Configuration
APPLICATIONS
鈥?/div>
SA604A meets cellular radio specifications
鈥?/div>
Cellular radio FM IF
鈥?/div>
High performance communications receivers
鈥?/div>
Intermediate frequency amplification and detection up to 25MHz
鈥?/div>
RF level meter
鈥?/div>
Spectrum analyzer
鈥?/div>
Instrumentation
鈥?/div>
FSK and ASK data receivers
ORDERING INFORMATION
DESCRIPTION
16-Pin Plastic Dual In-Line Package (DIP)
16-Pin Plastic Small Outline (SO) package (Surface-mount)
16-Pin Plastic Dual In-Line Package (DIP)
16-Pin Plastic Small Outline (SO) package (Surface-mount)
TEMPERATURE RANGE
0 to +70擄C
0 to +70擄C
-40 to +85擄C
-40 to +85擄C
ORDER CODE
NE604AN
NE604AD
SA604AN
SA604AD
DWG #
SOT28-4
SOT109-1
SOT28-4
SOT109-1
ABSOLUTE MAXIMUM RATINGS
SYMBOL
V
CC
T
STG
T
A
胃
JA
Single supply voltage
Storage temperature range
Operating ambient temperature range NE604A
SA604A
Thermal impedance
D package
N package
PARAMETER
RATING
9
-65 to +150
0 to +70
-40 to +85
90
75
UNITS
V
擄C
擄C
擄C
擄C/W
擄C/W
1994 Dec 15
397
853-1431 14477
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