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参数资料
| 型号： | LT1328IS8 |
| 厂商： | Linear Technology |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC RECEIVER 4MBPS IRDA IR 8-SOIC |
| 标准包装： | 100 |
| 类型： | 接收器 |
| 驱动器/接收器数： | 0/1 |
| 规程： | 红外（IRDA） |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
8
LT1328
APPLICATIONS INFORMATION
WU
U
There is one drawback to the previous scheme. Lowering
the highpass frequency to 14Hz negates the normally
excellent ambient light rejection of the LT1328 to line-
operated light sources. By modulating the data in a very
simple and inexpensive way the ambient light rejection
can be maintained. The NRZ data is used to gate a 3MHz
square wave before driving the transmitter. The LT1328 in
FIR-4ppm mode (bandwidth of 1MHz to 4MHz) will re-
ceive the 3MHz signal. Thus, the low frequency response
is no longer required and the LT1328 can be configured as
a FIR receiver with no changes. Note that when in FIR/
4ppm mode, the LT1328 has excellent rejection to active-
ballast fluorescent lights (40kHz to 100kHz) as well as line
operated bulbs. The data is recovered with two stages of
retriggerable one-shots on the output of the LT1328. The
first one-shot pulse length is set to 80ns and acts as an
edge detector and the second one-shot pulse length is set
to 2.3
s, just under a symbol period. With this modula-
tion, the range can be extended to over 30" and still have
a bit error rate lower than 1 in 108.
Wireless Slave for Photographic Flash
1
2
3
4
8
7
6
5
LT1328
NC
D2
1N4148
Q1
MPS2907A
R2
1k
5V
TO HOT SHOE
OF SLAVE FLASH
R3
10k
C2
4.7
F
R5
1k
R4
10k
Q2
MPSA42
1328 TA05
D3
MUR
160524
C5
0.1
F
C4
330pF
D1
HAMAMATSU
S4797-01
LIGHT FROM
MASTER FLASH
R1
100
TYPICAL APPLICATIONS N
U
Figure 6. Simple Data Link with Improved Low Frequency Noise Rejection
5V
> 30"
R1
100
R2
10k
3MHz
R3
3.9
1/2W
Q3
2N7002
74LS00
2
1
3
BIT ERROR RATE
TRANSMITTER/RECEIVER
1328 F06
D2
HSDL 4220
OUT
IN
375bps NRZ DATA
1
2
3
15
NC
14
13
C7
10pF
1/2
74LS123
9
7
5V
6
5
10
11
R5
46.4k
1%
R4
5k
1%
C8
100pF
1/2
74LS123
1
2
3
4
8
7
6
5
C6
1000pF
LT1328
C4
100pF
C2
4.7
F
5V
D1
TEMIC
BPV22NF
C5
4.7
F
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相关代理商/技术参数 |
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| LT1328IS8#PBF | 功能描述:IC RECEIVER 4MBPS IRDA IR 8-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
| LT1328IS8#TR | 功能描述:IC RECEIVER IR 4MBPS IRDA 8SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
| LT1328IS8#TRPBF | 功能描述:IC RECEIVER 4MBPS IRDA IR 8-SOIC RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
| LT1330 | 制造商:LINER 制造商全称:Linear Technology 功能描述:5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown |
| LT1330C | 制造商:LINER 制造商全称:Linear Technology 功能描述:5V RS232 Transceiver with 3V Logic Interface and One Receiver Active in Shutdown |
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