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參數(shù)資料
| 型號： | SA647DH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Low-voltage digital IF receiver |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, MO-153AC, SOT350-1, TSSOP20 |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 123K |
| 代理商： | SA647DH |
Philips Semiconductors
Product specification
SA647
Low-voltage digital IF receiver
2
1998 Aug 10
853–2037 19849
DESCRIPTION
The SA647 is a low-voltage high performance monolithic digital
system with high-speed RSSI incorporating a mixer, oscillator with
buffered output, two limiting intermediate frequency amplifiers, fast
logarithmic received signal strength indicator (RSSI), voltage
regulator, RSSI op amp and power down pin. The SA647 is
available in TSSOP (thin shrink small outline package).
The SA647 was designed for portable digital communication
applications and will function down to 2.7V. The limiter amplifier has
differential outputs with 2MHz small signal bandwidth. The RSSI
output has access to the feedback pin. This enables the designer to
level adjust the outputs or add filtering.
FEATURES
V
CC
= 2.7 to 5.5V
Low power receiver (5.3mA @ 3V)
Power down mode (I
CC
= 110
μ
A)
Fast RSSI rise and fall times
Extended RSSI range with temperature compensation
RSSI op amp
2MHz limiter small signal bandwidth
Filter matching (1.5k
)
Differential limiter output
Oscillator buffer
TSSOP-20 package
APPLICATIONS
NADC (North American Digital Cellular)
Digital receiver systems
Cellular radio
PIN CONFIGURATION
SR01456
MIX
OUT
IF AMP
IN
GND
LIM
IN
LIM OUT (+)
RF
IN+
RF
IN–
OSC E
OSC B
OSC
BUF
OUT
RSSI
RSSI FB
P
D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
19
18
17
16
15
LIM OUT (-)
V
CC
IF AMP
DECOUP
IF AMP
DECOUP
IF AMP
OUT
LIM
DECOUP
LIM
DECOUP
Figure 1.
Pin Configuration
ORDERING INFORMATION
DESCRIPTION
TEMPERATURE RANGE
ORDER CODE
DWG #
20-Pin Plastic Thin Shrink Small Outline Package (Surface-mount)
–40 to +85
°
C
SA647DH
SOT360–1
SR01727
OSCILLATOR
MIXER
+ –
IF
AMP
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
E
B
LIMITER
V
CC
GND
FAST RSSI
+ –
POWER
DOWN
Figure 2.
Block Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SA647DH,112 | 功能描述:射頻無線雜項(xiàng) LV DIG IF RECEIVER -40 TO +85 RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel |
| SA647DH,118 | 功能描述:射頻無線雜項(xiàng) LV DIG IF RECEIVER -40 TO +85 RoHS:否 制造商:Texas Instruments 工作頻率:112 kHz to 205 kHz 電源電壓-最大:3.6 V 電源電壓-最小:3 V 電源電流:8 mA 最大功率耗散: 工作溫度范圍:- 40 C to + 110 C 封裝 / 箱體:VQFN-48 封裝:Reel |
| SA647DH-T | 功能描述:射頻接收器 DIGITAL IF RCVR RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| SA648 | 制造商:Xeltek Inc 功能描述:PLCC68/68D (SA648) ADAPTER |
| SA648-B6801 | 功能描述:ADAPTER PROGRAMMER 68-PLCC RoHS:否 類別:編程器，開發(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:- |
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