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| 型号： | MAX3044ESE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC RS485/422 TRANS QUAD 16-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 发射器 |
| 驱动器/接收器数： | 4/0 |
| 规程： | RS422，RS485 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
General Description
The MAX3040–MAX3045 is a family of 5V quad RS-
485/RS-422 transmitters designed for digital data trans-
mission over twisted-pair balanced lines. All transmitter
outputs are protected to ±10kV using the Human Body
Model. In addition the MAX3040–MAX3045 withstand
±4kV per IEC 1000-4-4 Electrical Fast Transient/Burst
Stressing. The MAX3040/MAX3043 (250kbps) and the
MAX3041/MAX3044 (2.5Mbps) are slew-rate limited
transmitters that minimize EMI and reduce reflections
caused by improperly terminated cables, thus allowing
error-free transmission.
The MAX3040–MAX3045 feature a hot-swap capability
that eliminates false transitions on the data cable during
power-up or hot insertion. The MAX3042B/MAX3045B
are optimized for data transfer rates up to 20Mbps, the
MAX3041/MAX3044 for data rates up to 2.5Mbps, and
the MAX3040/MAX3043 for data rates up to 250kbps.
The MAX3040–MAX3045 offer optimum performance
when used with the MAX3093E or MAX3095 5V quad
differential line receivers or MAX3094E/MAX3096 3V
quad differential line receivers.
The MAX3040–MAX3045 are ESD-protected pin-compat-
ible, low-power upgrades to the industry-standard
‘SN75174 and ‘DS26LS31C. They are available in space-
saving TSSOP, narrow SO, and wide SO packages.
Applications
Telecommunications Equipment
Industrial Motor Control
Transmitter for ESD-Sensitive Applications
Hand-Held Equipment
Industrial PLCs
Networking
Features
ESD Protection: ±10kV—Human Body Model
Single +5V Operation
Guaranteed Device-to-Device Skew
(MAX3040/MAX3041/MAX3043/MAX3044)
Pin-Compatible with ‘SN75174, ‘26LS31C and
LTC487
Hot-Swappable for Telecom Applications
Up to 20Mbps Data Rate (MAX3042B/MAX3045B)
Slew-Rate Limited (Data Rates at 2.5Mbps and
250kbps)
2nA Low-Power Shutdown Mode
1mA Operating Supply Current
±4kV EFT Fast Transient Burst Immunity per IEC
1000-4-4
Level 2 Surge Immunity per IEC 1000-4-5,
Unshielded Cable Model
Ultra-Small 16-Pin TSSOP, 16-Pin Narrow SO, and
Wide 16-Pin SO
MAX3040–MAX3045
±10kV ESD-Protected, Quad 5V RS-485/RS-422
Transmitters
________________________________________________________________ Maxim Integrated Products
1
Pin Configurations
Selector Guide
Ordering Information
19-2143; Rev 1; 12/01
Ordering Information continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
DATA
RATE
MAX3040CUE
0
°C to +70°C
16 TSSOP
250kbps
MAX3040CSE
0
°C to +70°C
16 Narrow SO
250kbps
MAX3040CWE
0
°C to +70°C
16 Wide SO
250kbps
MAX3040EUE
-40
°C to +85°C
16 TSSOP
250kbps
MAX3040ESE
-40
°C to +85°C
16 Narrow SO
250kbps
MAX3040EWE -40
°C to +85°C
16 Wide SO
250kbps
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
T1IN
VCC
T4IN
Y4
Z4
EN34
Z3
Y3
T3IN
TOP VIEW
MAX3040
MAX3041
MAX3042B
16 TSSOP/SO
Y1
Z1
Y2
EN12
Z2
T2IN
GND
PART
DATA RATE
(bps)
INDUSTRY STANDARD
PINOUT
MAX3040
250k
75174, 34C87, LTC487
MAX3041
2.5M
75174, 34C87, LTC487
MAX3042B
20M
75174, 34C87, LTC487
MAX3043
250k
26LS31
MAX3044
2.5M
26LS31
MAX3045B
20M
26LS31
Pin Configurations continued at end of data sheet.
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