參數(shù)資料
型號(hào)： 935166750112
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡(luò)
英文描述： SPECIALTY TELECOM CIRCUIT, PDSO20
封裝： PLASTIC, SOT-266-1, SSOP-20
文件頁(yè)數(shù)： 12/20頁(yè)
文件大?。?/td> 239K
代理商： 935166750112
Philips Semiconductors
Product specification
SA636
Low voltage high performance mixer FM IF
system with high-speed RSSI
2
1997 Nov 07
853-1757 18664
DESCRIPTION
The SA636 is a low-voltage high performance monolithic FM IF
system with high-speed RSSI incorporating a mixer/oscillator, two
limiting intermediate frequency amplifiers, quadrature detector,
logarithmic received signal strength indicator (RSSI), voltage
regulator, wideband data output and fast RSSI op amps. The
SA636 is available in 20-lead SSOP (shrink small outline package).
The SA636 was designed for high bandwidth portable
communication applications and will function down to 2.7V. The RF
section is similar to the famous SA605. The data output has a
minimum bandwidth of 600kHz. This is designed to demodulate
wideband data. The RSSI output is amplified. The RSSI output has
access to the feedback pin. This enables the designer to adjust the
level of the outputs or add filtering.
SA636 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
DECT (Digital European Cordless Telephone)
Digital cordless telephones
Digital cellular telephones
Portable high performance communications receivers
Single conversion VHF/UHF receivers
FSK and ASK data receivers
Wireless LANs
FEATURES
Wideband data output (600kHz min.)
Fast RSSI rise and fall times
Low power consumption: 6.5mA typ at 3V
Mixer input to >500MHz
Mixer conversion power gain of 11dB at 240MHz
Mixer noise figure of 12dB at 240MHz
PIN CONFIGURATION
RFIN
RF BYPASS
RSSIOUT
MIXER OUT
IF AMP IN
IF AMP OUT
GND
LIMITER IN
LIMITER OUT
DK Package
POWER DOWN CONTROL
DATA OUT
QUADRATURE IN
IF AMP DECOUPLING
LIMITER DECOUPLING
VCC
RSSI FEEDBACK
XTAL OSC
(EMITTER)
XTAL OSC
(BASE)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
SR00491
Figure 1. Pin Configuration
XTAL oscillator effective to 150MHz (L.C. oscillator to 1GHz local
oscillator can be injected)
92dB of IF Amp/Limiter gain
25MHz limiter small signal bandwidth
Temperature compensated logarithmic Received Signal Strength
Indicator (RSSI) with a dynamic range in excess of 90dB
RSSI output internal op amp
Internal op amps with rail-to-rail outputs
Low external component count; suitable for crystal/ceramic/LC
filters
Excellent sensitivity: 0.54V 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
ESD hardened
10.7MHz filter matching (330)
Power down mode (I
CC = 200A)
ORDERING INFORMATION
DESCRIPTION
TEMPERATURE RANGE
ORDER CODE
DWG #
20-Pin Plastic Shrink Small Outline Package (Surface-mount)
-40 to +85
°C
SA636DK
SOT266-1
相關(guān)PDF資料
PDF描述
935166750118 SPECIALTY TELECOM CIRCUIT, PDSO20
0673.250 Circular Connector; Body Material:Aluminum; Series:PT06; No. of Contacts:3; Connector Shell Size:8; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Circular Contact Gender:Socket; Insert Arrangement:8-3
0673.300 Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT06; Number of Contacts:4; Connector Shell Size:8; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Body Style:Straight
935166840118 HCT SERIES, QUAD 2-INPUT NOR GATE, PDSO14
933714150652 HC/UH SERIES, QUAD 2-INPUT NOR GATE, PDSO14
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