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부품번호 | T2803 기능 |
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기능 | 2.4 GHZ WDECT/ISM SINGLE CHIP TRANSCEIVER | ||
제조업체 | ATMEL Corporation | ||
로고 | |||
전체 28 페이지수
Features
• Supply-voltage Range 3V to 4.6V (Regulated)
• Auxiliary Voltage Regulator On-chip (3.2V to 4.6V)
• Low Current Consumption
• Few Low-cost External Components
• No Mechanical Tuning Required
• Supports Multiple Reference Clocks (10.368 MHz/13.824 MHz)
• Fast Settling Synthesizer (864 kHz Channel Spacing)
• TX Preamplifier with 3 dBm Output Power at 2.45 GHz
(4 Programmable Power Levels)
• Ramp-signal Generator for Power Ramping and Power Control of
External SiGe Power Amplifier (T7024 and T7026)
Electrostatic sensitive device.
Observe precautions for handling.
2.4 GHz
WDECT/ISM
Single-chip
Transceiver
1. Description
The T2803 is an RF IC for low-power applications in the 2.45 GHz ISM band. The
QFN48-packaged IC is a complete transceiver including image rejection mixer, IF
amplifier, FM demodulator, baseband filter, RSSI, TX preamplifier, power-ramping
generator for power amplifiers, integrated synthesizer, fully integrated VCO and Gaus-
sian data filter for TX. No mechanical tuning is necessary in production.
www.DataSheet4U.com
Figure 1-1. Block Diagram
MIXER
OUT IF_IN
IF_TANK
IR MIXER
IF AMP 1
IF AMP 2
DEMOD
TANK
CF
RF_IN
RAMP_OUT
RAMP_SET
RAMP
GEN
RAMP
D/A
RSSI
DEMOD
BB FILTER
D/A DEMOD DAC
BB_OUT
RSSI
TX/RX
SWITCH
VCO
GF
TX_DATA
TX_OUT
TX DRIVER
VCO
REG
PC
f
:n
AUX
REG
PD
CP
3-WIRE
BUS
f
:n
RC
CTRL
LOGIC
CLOCK
DATA
ENABLE
RX_ON
TX_ON
PU_RX/TX
PU_PLL
T2803
VREG_VCO VS_VCO
VREG VS_REG
OLE
GND_VCO PU_REG REG_CTRL VTUNE
CP LD
I_CPSW
REF_CLK
Rev. 4572I–DECT–07/05
Table 2-1.
Pin
Pin Description (Continued)
Symbol
Function
7
VS_PLL
PLL supply voltage
VS_PLL
7
VS_REG
10
VS_CP
12
VS_VCO
14
VS_IF
33
VS_MIXER
42
Configuration
GND1
18
GND2
28
GND3
31
GND_VCO
16
GND_CP
11
GND_PLL
43
8
VREG
Auxiliary voltage-regulator output
9
REG_CTRL
Auxiliary voltage-regulator control output
10
VS_REG
Auxiliary voltage-regulator supply voltage
VS_REG
10
VS_PLL
7
REG_CTRL
9
VREG
8
11
GND_CP
Charge-pump ground
12
VS_CP
Charge-pump supply voltage
13 CP Charge-pump output
4 T2803
GND_PLL
43
VS_CP
12
VS_PLL
7
CP
13
GND_PLL
43
GND_CP
11
4572I–DECT–07/05
4페이지 Table 2-1.
Pin
Pin Description (Continued)
Symbol
Function
23
BB_CF
Baseband filter corner-frequency control
input
T2803
Configuration
VS_IF
33
BB_CF
23
GND2
28
GND1
18
24
BB_OUT
Baseband filter output
VS_IF
33
GND1
18
BB_OUT
24
GND2
28
25
RSSI
Received signal strength indicator output
VS_IF
33
RSSI
25
13k
GND2
28
26
IF_TANK1
IF tank circuit
27
IF_TANK2
IF tank circuit
IF_TANK1
26
VS_IF
33
27
GND2
28
4572I–DECT–07/05
7
7페이지 | |||
구 성 | 총 28 페이지수 | ||
다운로드 | [ T2803.PDF 데이터시트 ] |
당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는 |
구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
T2800 | TRIACs 8 AMPERES RMS 200 thru 600 VOLTS | Motorola Semiconductors |
T2800 | HIGH VOLTAGE 8 - A SILICON TRIACS | ETC |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |