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參數資料
| 型號： | SSTX4915 |
| 廠商： | Silicon Storage Technology, Inc. |
| 英文描述： | LOW POWER ASK TRANMITTER IC |
| 中文描述： | 低功率ASK TRANMITTER集成電路 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 556K |
| 代理商： | SSTX4915 |
www.SiliconStandard.com 1 of 9
Rev.2.02 8/06/2003
Description
The SSTX4915 is a low power ASK transmitter IC intended for applications in the North
American and European VHF/UHF bands. The integrated voltage-controlled oscillator
(VCO), phase/frequency detector, prescaler, and reference oscillator require only the
addition of an external crystal to provide a complete phase-locked loop (PLL). In addi-
tion to the standard power-down mode, the chip also includes an automatic lock-detect
feature that disables the transmitter output when the PLL is out-of-lock.
Features
Output frequency range: 100 – 960 MHz
Supply voltage range: 2.2 – 3.6 V
Low current consumption with power down capability
On-chip VCO with integrated PLL (÷ 64/128) dual modulus prescaler
Out-of-lock inhibit circuit
SSOP-16 package (0.64 mm pitch)
Applications
Wireless mouse
Car alarm and home security systems
Remote control systems
Block Diagram
7
8
TXEN
OSC
OSC
IN
2
1
NC
VSS2
VCC2
RES
RES
OSC
VCO
Prescaler
÷ 64/128
DO
PFD
and
CP
3
4
5
6
10
9
15
16
14
13
12
11
VSS
TXOUT
VSS1
VCC1
MODIN
AMP
LD
SW
LD
BIAS
SSTX4915
Preliminary
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