參數(shù)資料
型號(hào)： SA626
廠商： NXP Semiconductors N.V.
英文描述： Low voltage high performance mixer FM IF system with high-speed RSSI
中文描述： 低電壓高性能混頻器IF系統(tǒng)與調(diào)頻高速的RSSI
文件頁(yè)數(shù)： 2/16頁(yè)
文件大?。?/td> 231K
代理商： SA626
Philips Semiconductors
Product specification
SA626
Low voltage high performance mixer FM IF
system with high-speed RSSI
2
1997 Sept 25
853-1723 18427
DESCRIPTION
The SA626 is a low-voltage high performance monolithic FM IF
system incorporating a mixer/oscillator, two limiting intermediate
frequency amplifiers, quadrature detector, high speed logarithmic
received signal strength indicator (RSSI), voltage regulator and
audio and fast RSSI op amps. The SA626 is available in 20-lead
SOL (surface-mounted small outline large package) and 20-lead
SSOP (shrink small outline package).
The SA626 was designed for high bandwidth portable
communication applications and will function down to 2.7V. The RF
section is similar to the famous NE605. The audio and RSSI
outputs have amplifiers. The RSSI output has access to the
feedback pin. This enables the designer to level adjust the outputs
or add filtering.
SA626 incorporates a power down mode which powers down the
device when Pin 8 is low. Power down logic levels are CMOS and
TTL compatible with high input impedance.
APPLICATIONS
Digital cordless telephones
Digital cellular telephones
Digital cellular base stations
Portable high performance communications receivers
Single conversion VHF/UHF receivers
SCA receivers
RF level meter
Spectrum analyzer
Instrumentation
FSK and ASK data receivers
Log amps
Wideband low current amplification
FEATURES
Fast RSSI rise and fall times
Low power consumption: 6.5mA typ at 3V
Power down mode (I
CC
= 200
μ
A)
PIN CONFIGURATION
RF
IN
1
RF BYPASS
2
XTAL OSC EMITTER
3
XTAL OSC (BASE) 4
RSSI
OUT
7
20 MIXER OUT
19
18 IF AMP IN
17
16 IF AMP OUT
15 GND
14 LIMITER IN
13
12
11 LIMITER OUT
6
D and DK Packages
POWER DOWN CONTROL 8
AUDIO OUT
9
QUADRATURE IN10
IF AMP DECOUPLING
IF AMP DECOUPLING
LIMITER DECOUPLING
LIMITER DECOUPLING
V
CC
5
RSSI FEEDBACK
SR00470
Figure 1. Pin Configuration
Mixer input to >500MHz
Mixer conversion power gain of 11dB at 240MHz
Mixer noise figure of 14dB at 240MHz
XTAL oscillator effective to 150MHz (L.C. oscillator to 1GHz, local
oscillator can be injected)
92dB of IF Amp/Limiter power gain
25MHz limiter small signal bandwidth
Temperature compensated logarithmic Received Signal Strength
Indicator (RSSI) with a dynamic range in excess of 90dB
Audio output internal buffer
RSSI output internal buffer
Internal op amps with rail-to-rail outputs
10.7MHz filter matching (330
) reduces external component
count; suitable for crystal/ceramic/LC filters
Excellent sensitivity: 0.54
μ
V into 50
matching network for 12dB
SINAD (Signal to Noise and Distortion ratio) for 1kHz tone with RF
at 240MHz and IF at 10.7MHz
SA626 meets cellular radio specifications
ESD hardened
ORDERING INFORMATION
DESCRIPTION
TEMPERATURE RANGE
-40 to +85
°
C
-40 to +85
°
C
ORDER CODE
SA626D
DWG #
SOT163-1
SOT266-1
20-Pin Plastic Small Outline Large (SOL) package (Surface-mount)
20-Pin Plastic Shrink Small Outline Package (Surface-mount)
SA626DK
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SA626A 功能描述:MODULE SKT ADAPTER 20DIP/SSOP RoHS:否 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 適配器 系列:* 標(biāo)準(zhǔn)包裝:96 系列:- 模塊/板類型:TQFP 插座模塊 適用于相關(guān)產(chǎn)品:-
SA626D 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low voltage high performance mixer FM IF system with high-speed RSSI
SA626DK 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low voltage high performance mixer FM IF system with high-speed RSSI
SA627 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:High performance low power FM IF system with high-speed RSSI
SA627-B5202 制造商:Xeltek Inc 功能描述:Socket Adatper
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