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NE604A Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. NE604A
Description  High performance low power FM IF system
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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NE604A Datasheet(HTML) 3 Page - NXP Semiconductors

 
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Philips Semiconductors
Product specification
NE/SA604A
High performance low power FM IF system
1994 Dec 15
399
AC ELECTRICAL CHARACTERISTICS
Typical reading at TA = 25°C; VCC = ±6V, unless otherwise stated. IF frequency = 455kHz; IF level = -47dBm; FM modulation = 1kHz with
±8kHz peak deviation. Audio output with C-message weighted filter and de-emphasis capacitor. 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
LIMITS
UNITS
SYMBOL
PARAMETER
TEST CONDITIONS
NE604A
SA604A
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
Input limiting -3dB
Test at Pin 16
-92
-92
dBm/50
AM rejection
80% AM 1kHz
30
34
30
34
dB
Recovered audio level
15nF de-emphasis
110
175
250
80
175
260
mVRMS
Recovered audio level
150pF de-emphasis
530
530
mVRMS
THD
Total harmonic distortion
-35
-42
-34
-42
dB
S/N
Signal-to-noise ratio
No modulation for noise
73
73
dB
RF level = -118dBm
0
160
550
0
160
650
mV
RSSI output1
RF level = -68dBm
2.0
2.65
3.0
1.9
2.65
3.1
V
RF level = -18dBm
4.1
4.85
5.5
4.0
4.85
5.6
V
RSSI range
R4 = 100k (Pin 5)
90
90
dB
RSSI accuracy
R4 = 100k (Pin 5)
±1.5
±1.5
dB
IF input impedance
1.4
1.6
1.4
1.6
k
IF output impedance
0.85
1.0
0.85
1.0
k
Limiter input impedance
1.4
1.6
1.4
1.6
k
Unmuted audio output resis-
tance
58
58
k
Muted audio output resis-
tance
58
58
k
NOTE:
1. NE604 data sheets refer to power at 50
Ω input termination; about 21dB less power actually enters the internal 1.5k input.
NE604 (50)
NE604A (1.5k)/NE605 (1.5k
-97dBm
-118dBm
-47dBm
-68dBm
+3dBm
-18dBm
The NE605 and NE604A are both derived from the same basic die. The NE605 performance plots are directly applicable to the NE604A.


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