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参数资料
| 型号： | LTC2803IGN-1 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | Buffer和线驱动 |
| 英文描述： | 1.8V to 5.5V RS-232 Single and Dual Transceivers; Package: SSOP; No of Pins: 16; Temperature Range: -40°C to +85°C |
| 中文描述： | DUAL LINE TRANSCEIVER, PDSO16 |
| 封装： | 0.150 INCH, PLASTIC, SSOP-16 |
| 文件页数： | 15/16页 |
| 文件大小： | 659K |
| 代理商： | LTC2803IGN-1 |
8
2801234f
LTC2801/LTC2802/
LTC2803/LTC2804
PI FU CTIO S
UU
U
ODE CO TROL
W
U
PIN NAME
PIN NUMBER
COMMENTS
2801
2802
2803
2804
2803-1
2804-1
VCC
3
5
Input Supply (1.8V-5.5V). Bypass to GND with a 1μF capacitor.
VDD
4
6
Generated Positive Supply Voltage for RS-232 Driver (7V). Connect a 1μF capacitor between
VDD and GND.
VEE
13*
17*
9
Generated Negative Supply Voltage for RS-232 Driver (–6.3V). Connect a 1μF capacitor
between VEE and GND.
SW
5
7
Switch Pin. Connect a 10μH inductor between SW and VCC.
GND
6
8
Ground.
CAP
7
9
10
Charge Pump Capacitor for Generated Negative Supply Voltage. Connect a 220nF capacitor
between CAP and SW.
VL
10
12
Logic Supply (1.8V-5.5V) for the receiver outputs, driver inputs, and control inputs. This pin
should be bypassed to GND with a 220nF capacitor if it’s not tied to VCC.
TIN (T1IN, T2IN)
11
14, 13
Driver Input(s), referenced to VL.
TOUT (T1OUT, T2OUT)
2
3, 4
RS-232 Driver Output(s).
RIN (R1IN, R2IN)
1
1, 2
RS-232 Receiver Input(s). Includes internal 5kΩ termination resistor(s).
ROUT (R1OUT, R2OUT)
12
16, 15
Receiver Output(s), referenced to VL. Output is short-circuit protected to GND/VCC/VL, and is
high impedance in Shutdown mode, allowing data line sharing.
PS
8
10
—
Power Supply control pin, referenced to VL. Enables the integrated DC-DC converter.
MODE
9
11
—
Mode control pin, referenced to VL. See Table 1 for functionality.
ON/OFF
—
11
Transceiver enable pin, referenced to VL. A logic low puts the device in Shutdown mode and
places both driver and receiver outputs in a high impedance state.
* Backside thermal pad
Table 1. LTC2801-LTC2804
MODE NAME
PS
MODE
RECEIVER
OUTPUT(S)
DC-DC
DRIVER
OUTPUT(S)
IVCC*IVL*
SHUTDOWN
L
HIGH-Z
OFF
HIGH-Z
1μA1μA
RECEIVERS ACTIVE
L
H
ON
OFF
HIGH-Z
1μA15μA
DRIVERS DISABLED
H
L
ON
HIGH-Z
2.1mA
80μA OR
150μA
NORMAL
H
ON
2.3mA
80μA OR
150μA
Table 2. LTC2803-1, LTC2804-1
MODE NAME
ON/OFF
RECEIVER
OUTPUTS
DC-DC
DRIVER
OUTPUTS
IVCC*IVL*
SHUTDOWN
L
HIGH-Z
OFF
HIGH-Z
1μA1μA
NORMAL
H
ON
2.3mA
150μA
* Typical currents for static drivers. Normal mode currents are for unloaded outputs.
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| LTC2844CG#TR | 3.3V Software-Selectable Multiprotocol Transceiver; Package: SSOP; No of Pins: 28; Temperature Range: 0°C to +70°C |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC2803IGN-1#PBF | 功能描述:IC TXRX RS232 DUAL 16-SSOP 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 |
| LTC2803IGN-1#TRPBF | 功能描述:IC TXRX RS232 DUAL 16-SSOP 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 |
| LTC2804CDHC | 制造商:Linear Technology 功能描述:MS-Interface, 1.8V-5V 2D+2R 1Mbps RS232 Transceiver w/ Driver Disable |
| LTC2804CDHC#PBF | 功能描述:IC TXRX RS232 DUAL 16-DFN 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:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| LTC2804CDHC#TR | 制造商:Linear Technology 功能描述:MS-Interface, 1.8V-5V 2D+2R 1Mbps RS232 Transceiver w/ Driver Disable |
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