参数资料
型号: LTC1544IG#TRPBF
厂商: Linear Technology
文件页数: 16/20页
文件大小: 0K
描述: IC TXRX SOFTWARE SELECTBL 28SSOP
标准包装: 2,000
类型: 收发器
驱动器/接收器数: 4/4
电源电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 带卷 (TR)
5
LTC1544
VCC (Pin 1): Positive Supply for the Transceivers. 4.75V ≤
VCC ≤ 5.25V. Connect a 1F capacitor to ground.
VDD (Pin 2): Positive Supply Voltage for V.28. Connect to
VDD Pin 3 on LTC1543 or 8V supply. Connect a 1F
capacitor to ground.
D1 (Pin 3): TTL Level Driver 1 Input.
D2 (Pin 4): TTL Level Driver 2 Input.
D3 (Pin 5): TTL Level Driver 3 Input.
R1 (Pin 6): CMOS Level Receiver 1 Output.
R2 (Pin 7): CMOS Level Receiver 2 Output.
R3 (Pin 8): CMOS Level Receiver 3 Output.
D4 (Pin 9): TTL Level Driver 4 Input.
R4 (Pin 10): CMOS Level Receiver 4 Output.
M0 (Pin 11): TTL Level Mode Select Input 0 with Pull-Up
to VCC.
M1 (Pin 12): TTL Level Mode Select Input 1 with Pull-Up
to VCC.
M2 (Pin 13): TTL Level Mode Select Input 2 with Pull-Up
to VCC.
DCE/DTE (Pin 14): TTL Level Mode Select Input with
Pull-Up to VCC.
INVERT (Pin 15): TTL Level Mode Select Input with Pull-
Up to VCC.
D4/R4 A (Pin 16): Receiver 4 Inverting Input and Driver 4
Output.
R3 B (Pin 17): Receiver 3 Noninverting Input.
R3 A (Pin 18): Receiver 3 Inverting Input.
R2 B (Pin 19): Receiver 2 Noninverting Input.
R2 A (Pin 20): Receiver 2 Inverting Input.
D3/R1 B (Pin 21): Receiver 1 Noninverting Input and
Driver 3 Noninverting Output.
D3/R1 A (Pin 22): Receiver 1 Inverting Input and Driver 3
Inverting Output.
D2 B (Pin 23): Driver 2 Noninverting Output.
D2 A (Pin 24): Driver 2 Inverting Output.
D1 B (Pin 25): Driver 1 Noninverting Output.
D1 A (Pin 26): Driver 1 Inverting Output.
GND (Pin 27): Ground.
VEE (Pin 28): Negative Supply Voltage. Connect to VEE Pin
26 on LTC1543 or to – 8V supply. Connect a 1
F capacitor
to ground.
Figure 1. V.11 Driver Test Circuit
A
B
A
R
B
1544 F02
RL
100
CL
100pF
CL
100pF
15pF
A
B
1544 F01
VOD
VOC
RL
50
RL
50
Figure 2. V.11 Driver/Receiver AC Test Circuit
UU
U
PI FU CTIO S
TEST CIRCUITS
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LTC1545CG#TR 功能描述:IC TXRX SOFTWARE SELECTBL 36SSOP 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:250 系列:- 类型:收发器 驱动器/接收器数:2/2 规程:RS232 电源电压:3 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:16-TSSOP(0.173",4.40mm 宽) 供应商设备封装:16-TSSOP 包装:带卷 (TR)
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