SA58640DK,112 NXP Semiconductors, SA58640DK,112 Datasheet - Page 9

• Manufacturer Part Number: SA58640DK,112
• Description: IC MIXER FM IF SYSTEM 20SSOP
• Manufacturer: NXP Semiconductors
• Series: SA58640r

Specifications of SA58640DK,112

• Package / Case: 20-SSOP
• Current - Supply: 6mA
• Voltage - Supply: 4.5 V ~ 6 V
• Frequency: 150MHz
• Rf Type: Cordless Phones
• Gain: 17dB
• Noise Figure: 7dB
• Secondary Attributes: Up Converter
• Number Of Mixers: 2
• Maximum Input Frequency: 100 MHz
• Mounting Style: SMD/SMT
• Maximum Power Gain: 17 dB
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 935277002112::SA58640DK::SA58640DK

Philips Semiconductors
9397 750 14161
Product data sheet
Fig 5. I
(mA)
I
CC
6
5
4
3
voltage
CC
55
as a function of temperature and supply
35
V
CC
15
= 7 V
5 V
5
1. The C-message and de-emphasis filter combination has a peak gain of 10 for
2. The ceramic filters can be 30 kHz SFG455A3s made by Murata which have 30 kHz IF
3. Set your RF generator at 45.000 MHz, use a 1 kHz modulation frequency and a 6 kHz
4. The measured typical sensitivity for 12 dB SINAD should be 0.45 V or 114 dBm at
5. The layout is very critical in the performance of the receiver. We highly recommend
6. The smallest RSSI voltage (i.e., when no RF input is present and the input is
7. All of the inductors, the quad tank, and their shield must be grounded. A 10 F to
8. R5 can be used to bias the oscillator transistor at a higher current for operation above
25
accurate measurements. Without the gain, the measurements may be affected by the
noise of the scope and HP339A analyzer. The de-emphasis filter has a fixed
bandwidth (they come in blue), or 16 kHz CFU455Ds, also made by Murata (they
come in black). All specifications and testing are done with the wideband filter.
deviation if you use 16 kHz filters, or 8 kHz if you use 30 kHz filters.
the RF input.
our demo board layout.
terminated) is a measure of the quality of the layout and design. If the lowest RSSI
voltage is 500 mV or higher, it means the receiver is in regenerative mode. In that
case, the receiver sensitivity will be worse than expected.
15 F or higher value tantalum capacitor on the supply line is essential. A low
frequency ESR screening test on this capacitor will ensure consistent good sensitivity
in production. A 0.1 F bypass capacitor on the supply pin V
the 44.545 MHz oscillator improves sensitivity by 2 dB to 3 dB.
45 MHz. Recommended value is 22 k , but should not be below 10 k .
6 dB/Octave slope between 300 Hz and 3 kHz.
45
65
85
002aab128
t ( C)
105
125
Rev. 01 — 6 April 2005
Fig 6. Mixer third order intercept and compression
IF output
power
(dBm)
(1) Fund product
(2) 3rd order product
(3) 50
20
20
40
60
80
0
66
input
(1)
46
Low-voltage mixer FM IF system
26
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
(2)
CC
6
, and grounded near
RF
RF = 45 MHz
IF = 455 kHz
(3)
SA58640
14
input level (dBm)
002aab130
34
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