这些器件具有稳健耐用的 3.3V 驱动器和接收器,并且采用小型封装,可满足工业应用 应用。这些总线引脚可耐受 ESD 事件,具有对于人体放电模型和 IEC 接触放电规范的高级别保护。
其中每一款器件都配有一个差分驱动器和一个差分接收器。这两个器件由 3.3V 单电源供电。驱动器差分输出和接收器差分输入在内部连接,构成一个适用于半双工(两线制总线)通信的总线端口。这些器件具备宽共模电压范围,因此适用于长线缆上的 应用 长线缆。这些器件额定运行温度范围为 -40°C 至 125°C。
器件型号 | 封装 | 封装尺寸(标称值) |
---|---|---|
SN65HVD72、SN65HVD75、SN65HVD78 | SOIC (8) | 4.91mm × 3.90mm |
VSSOP (8) | 3.00mm × 3.00mm | |
VSON (8) |
Changes from G Revision (Januarly 2019) to H Revision
Changes from F Revision (December 2016) to G Revision
Changes from E Revision (September 2016) to F Revision
Changes from D Revision (July 2015) to E Revision
Changes from C Revision (September 2013) to D Revision
Changes from B Revision (June 2012) to C Revision
Changes from A Revision (May 2012) to B Revision
Changes from * Revision (March 2012) to A Revision
PIN | TYPE | DESCRIPTION | |
---|---|---|---|
NAME | NUMBER | ||
A | 6 | Bus I/O | Driver output or receiver input (complementary to B) |
B | 7 | Bus I/O | Driver output or receiver input (complementary to A) |
D | 4 | Digital input | Driver data input |
DE | 3 | Digital input | Active-high driver enable |
GND | 5 | Reference potential | Local device ground |
R | 1 | Digital output | Receive data output |
RE | 2 | Digital input | Active-low receiver enable |
VCC | 8 | Supply | 3-V to 3.6-V supply |
MIN | MAX | UNIT | |
---|---|---|---|
Supply voltage, VCC | –0.5 | 5 | V |
Voltage at A or B inputs | –13 | 16.5 | |
Voltage at D, DE, or RE | –0.3 | 5.7 | |
Voltage input, transient pulse, A and B, through 100 Ω | –100 | 100 | |
Receiver output current | –24 | 24 | mA |
Junction temperature, TJ | 170 | °C | |
Continuous total power dissipation | See Power Dissipation | ||
Storage temperature, Tstg | –65 | 150 | °C |
VALUE | UNIT | |||
---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) | ±8000 | V |
Charged device model (CDM), per JEDEC specification JESD22-C101 or ANSI/ESDA/JEDEC JS-002, all pins(2) | ±1500 | |||
JEDEC Standard 22, Test Method A115 (Machine Model), all pins | ±300 | |||
IEC 61000-4-2 ESD (Air-Gap Discharge), bus pins and GND (2) | ±12000 | |||
IEC 61000-4-2 ESD (Contact Discharge), bus pins and GND | ±12000 | |||
IEC 61000-4-4 EFT (Fast transient or burst) bus pins and GND | ±4000 | |||
IEC 60749-26 ESD (Human Body Model), bus pins and GND | ±15000 |
MIN | NOM | MAX | UNIT | |||
---|---|---|---|---|---|---|
VCC(3) | Supply voltage | 3 | 3.3 | 3.6 | V | |
VI | Input voltage at any bus terminal (separately or common mode)(1) | –7 | 12 | V | ||
VIH | High-level input voltage (driver, driver enable, and receiver enable inputs) | 2 | VCC | V | ||
VIL | Low-level input voltage (driver, driver enable, and receiver enable inputs) | 0 | 0.8 | V | ||
VID | Differential input voltage | –12 | 12 | V | ||
IO | Output current, driver | –60 | 60 | mA | ||
IO | Output current, receiver | –8 | 8 | mA | ||
RL | Differential load resistance | 54 | 60 | Ω | ||
CL | Differential load capacitance | 50 | pF | |||
1/tUI | Signaling rate | SN65HVD72 | 250 | kbps | ||
SN65HVD75 | 20 | Mbps | ||||
SN65HVD78 | 50 | Mbps | ||||
TA(2) | Operating free-air temperature (See Thermal Information) | –40 | 125 | °C | ||
TJ | Junction temperature | –40 | 150 | °C |
THERMAL METRIC(1) | SN65HVD72, SN65HVD75, SN65HVD78 | UNIT | |||
---|---|---|---|---|---|
D (SOIC) | DGK (VSSOP) | DRB (VSON) | |||
8 PINS | |||||
RθJA | Junction-to-ambient thermal resistance | 110.7 | 168.7 | 40 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 54.7 | 62.2 | 49.6 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | — | — | 3.9 | °C/W |
RθJB | Junction-to-board thermal resistance | 51.3 | 89.5 | 15.5 | °C/W |
ψJT | Junction-to-top characterization parameter | 9.2 | 7.4 | 0.6 | °C/W |
ψJB | Junction-to-board characterization parameter | 50.7 | 87.9 | 15.7 | °C/W |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |||
---|---|---|---|---|---|---|---|---|
|VOD| | Driver differential output voltage magnitude | RL = 60 Ω, 375 Ω on each output to
–7 V to 12 V |
See Figure 10 | 1.5 | 2 | V | ||
RL = 54 Ω (RS-485) | See Figure 11 | 1.5 | 2 | |||||
RL = 100 Ω (RS-422), TJ ≥ 0°C
VCC ≥ 3.2 V |
2 | 2.5 | ||||||
Δ|VOD| | Change in magnitude of driver differential output voltage | RL = 54 Ω, CL = 50 pF | –50 | 0 | 50 | mV | ||
VOC(SS) | Steady-state common-mode output voltage | Center of two 27-Ω load resistors | 1 | VCC/2 | 3 | V | ||
ΔVOC | Change in differential driver output common-mode voltage | Center of two 27-Ω load resistors | –50 | 0 | 50 | mV | ||
VOC(PP) | Peak-to-peak driver common-mode output voltage | Center of two 27-Ω load resistors | 200 | mV | ||||
COD | Differential output capacitance | 15 | pF | |||||
VIT+ | Positive-going receiver differential input voltage threshold | See (1) | –70 | –20 | mV | |||
VIT– | Negative-going receiver differential input voltage threshold | –200 | –150 | See (1) | mV | |||
VHYS | Receiver differential input voltage threshold hysteresis (VIT+ – VIT–) | 50 | 80 | mV | ||||
VOH | Receiver high-level output voltage | IOH = –8 mA | 2.4 | VCC – 0.3 | V | |||
VOL | Receiver low-level output voltage | IOL = 8 mA | 0.2 | 0.4 | V | |||
II | Driver input, driver enable, and receiver enable input current | –2 | 2 | µA | ||||
IOZ | Receiver output high-impedance current | VO = 0 V or VCC, RE at VCC | –1 | 1 | µA | |||
IOS | Driver short-circuit output current | –160 | 160 | mA | ||||
II | Bus input current (disabled driver) | VCC = 3 to 3.6 V or
VCC = 0 V DE at 0 V |
SN65HVD72 SN65HVD75 | VI = 12 V | 75 | 150 | µA | |
VI = –7 V | –100 | –40 | ||||||
SN65HVD78 | VI = 12 V | 240 | 333 | |||||
VI = –7 V | –267 | –180 | ||||||
ICC | Supply current (quiescent) | Driver and receiver enabled | DE = VCC, RE = GND
No load |
750 | 950 | µA | ||
Driver enabled, receiver disabled | DE = VCC, RE = VCC
No load |
300 | 500 | |||||
Driver disabled, receiver enabled | DE = GND, RE = GND
No load |
600 | 800 | |||||
Driver and receiver disabled | DE = GND, D = open
RE = VCC, No load |
0.1 | 2 | |||||
Supply current (dynamic) | See Typical Characteristics | |||||||
TTSD | Thermal shutdown junction temperature | 170 | °C |
PARAMETER | TEST CONDITIONS | VALUE | UNIT | |||
---|---|---|---|---|---|---|
PD | Power Dissipation
driver and receiver enabled, VCC = 3.6 V, TJ = 150°C 50% duty cycle square-wave signal at signaling rate:
|
Unterminated | RL = 300 Ω
CL = 50 pF (driver) |
SN65HVD72 | 120 | mW |
SN65HVD75 | 160 | |||||
SN65HVD78 | 200 | |||||
RS-422 load | RL = 100 Ω
CL = 50 pF (driver) |
SN65HVD72 | 155 | mW | ||
SN65HVD75 | 195 | |||||
SN65HVD78 | 230 | |||||
RS-485 load | RL = 54 Ω
CL = 50 pF (driver) |
SN65HVD72 | 190 | mW | ||
SN65HVD75 | 230 | |||||
SN65HVD78 | 260 |