SA58640DK NXP Semiconductors, SA58640DK Datasheet - Page 8

• Manufacturer Part Number: SA58640DK
• Description: Up-Down Converters NB FM IF RECEIVER
• Manufacturer: NXP Semiconductors

Specifications of SA58640DK

• 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
• Package / Case: SSOP-20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SA58640DK,112

NXP Semiconductors
13. Application information
SA58640
Product data sheet
Fig 8.
45 MHz input
The layout is very critical in the performance of the receiver. We highly recommend our demo board layout.
All of the inductors, the quad tank, and their shield must be grounded. A 10 μF to 15 μF 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 μF bypass capacitor on the supply pin V
by 2 dB to 3 dB.
45 MHz application circuit
C1
C2
Fig 7.
20
1
L1
19
2
RMS audio output voltage versus ambient temperature
C5
C23
FL1
C6
All information provided in this document is subject to legal disclaimers.
18
3
V
o(aud)RMS
(mV)
C8
L2
C7
300
250
200
150
100
17
4
Rev. 3 — 12 April 2011
−55
C21
X1
RSSI_OUT
C26
−35
16
5
SA58640
2.4 kΩ
CC
R17
−15
V
, and grounded near the 44.545 MHz oscillator improves sensitivity
C9
C10
CC
V
15
= 7 V
6
CC
5
R18
3.3 kΩ
5 V
25
FL2
14
7
45
R10
10 kΩ
C27
2.2 μF
10 kΩ
R11
AUDIO_OUT
C18
65
13
8
85
C12
Low-voltage mixer FM IF system
C17
T
002aab133
amb
105
12
9
(°C)
125
IFT1
11
10
C14
C15
SA58640
© NXP B.V. 2011. All rights reserved.
R19
11 kΩ
002aab126
C19
390 pF
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