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参数资料
| 型号： | 935084010118 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 接收器 |
| 英文描述： | FM, AUDIO SINGLE CHIP RECEIVER, PDSO20 |
| 封装： | PLASTIC, SOT-266-1, SSOP-20 |
| 文件页数： | 1/8页 |
| 文件大小： | 103K |
| 代理商： | 935084010118 |
Philips Semiconductors
Product specification
SA676
Low-voltage mixer FM IF system
6–129
1993 Dec 15
853-1726 11659
DESCRIPTION
The SA676 is a low-voltage monolithic FM IF system incorporating a
mixer/oscillator, two limiting intermediate frequency amplifiers,
quadrature detector, logarithmic received signal strength indicator
(RSSI), voltage regulator and audio and RSSI op amps. The SA676
is available in a 20-pin SSOP (shrink small outline package).
The SA676 was designed for cordless telephone applications in
which efficient and economic integrated solutions are required and
yet high performance is desirable. Although the product is not
targeted to meet the stringent specifications of high performance
cellular equipment, it will exceed the needs for analog cordless
phones. The minimal amount of external components and absence
of any external adjustments makes for a very economical solution.
FEATURES
Low power consumption: 3.5mA typical at 3V
Mixer input to >100MHz
Mixer conversion power gain of 17dB at 45MHz
XTAL oscillator effective to 100MHz (L.C. oscillator or external
oscillator can be used at higher frequencies)
102dB of IF Amp/Limiter gain
2MHz IF amp/limiter small signal bandwidth
Temperature compensated logarithmic Received Signal Strength
Indicator (RSSI) with a 70dB dynamic range
Low external component count; suitable for crystal/ceramic/LC
filters
PIN CONFIGURATION
RF IN+
RF IN– DECOUPLING
OSCOUT
OSCIN
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
VCC
DK Package
AUDIO FEEDBACK
8
RSSI FEEDBACK 9
QUADRATURE IN 10
IF AMP DECOUPLING
AUDIO OUT
IF AMP DECOUPLING
LIMITER DECOUPLING
2
1
3
4
5
6
SR00514
Figure 1. Pin Configuration
Audio output internal op amp
RSSI output internal op amp
Internal op amps with rail-to-rail outputs
ESD protection: Human Body Model 2kV
Robot Model 200V
APPLICATION
Cordless phones
ORDERING INFORMATION
DESCRIPTION
TEMPERATURE RANGE
ORDER CODE
DWG #
20-Pin Plastic Shrink Small Outline Package (Surface-mount)
-40 to +85
°C
SOT266-1
BLOCK DIAGRAM
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
RSSI
IF
AMP
EB
VREG
OSCILLATOR
LIMITER
MIXER
QUAD
+–
+
–
AUDIO
SR00515
Figure 2. Block Diagram
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相关代理商/技术参数 |
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| 935087-000 | 制造商:TE Connectivity 功能描述:301A511-51-05/164-0 - Bulk |
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| 9350DC-200-0GZZZA | 制造商:Siemens 功能描述: |
| 9350DC-200-0ZZZTA | 制造商:Siemens 功能描述: |
| 9350DC-200-0ZZZZA | 制造商:Siemens 功能描述: |
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