Instrukcja obsługi Texas Instruments SN65HVD230QD

Texas Instruments Niesklasyfikowane SN65HVD230QD

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SN65HVD230Q-Q1
SN65HVD231Q-Q1
SN65HVD232Q-Q1
SGLS398A − APRIL 2002 − REVISED APRIL 2008
3.3-V CAN TRANSCEIVERS
1
www.ti.com
FEATURES
DQualified for Automotive Applications
DESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
DOperates With a 3.3-V Supply
DLow Power Replacement for the PCA82C250
Footprint
DBus/Pin ESD Protection Exceeds 15-kV HBM
DControlled Driver Output Transition Times for
Improved Signal Quality on the SN65HVD230Q
and SN65HVD231Q
DUnpowered Node Does Not Disturb the Bus
DCompatible With the Requirements of the
ISO 11898 Standard
DLow-Current SN65HVD230Q Standby Mode
370 µA Typical
DLow-Current SN65HVD231Q Sleep Mode
0.1 µA Typical
DDesigned for Signaling Rates‡ Up To
1 Megabit/Second (Mbps)
DThermal Shutdown Protection
DOpen-Circuit Fail-Safe Design
logic diagram (positive logic)
CANL
CANH
R
D1
47
6
SN65HVD230Q, SN65HVD231Q
Logic Diagram
(Positive Logic)
RS8
Vref
5
3
VCC
CANL
CANH
R
D1
47
6
SN65HVD232Q
Logic Diagram (Positive Logic)
‡The signaling rate of a line is the number of voltage transitions that are made per second expressed in the units bps (bits per second).
D
GND
VCC
R
RS
CANH
CANL
Vref
SN65HVD230QD
SN65HVD231QD
(TOP VIEW)
1
2
3
4
8
7
6
5
D
GND
VCC
R
NC
CANH
CANL
NC
SN65HVD232QD
(TOP VIEW)
NC − No internal connection
1
2
3
4
8
7
6
5
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 2008, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appears at the end of this data sheet.
SN65HVD230Q-Q1
SN65HVD231Q-Q1
SN65HVD232Q-Q1
SGLS398A − APRIL 2002 − REVISED APRIL 2008
2www.ti.com
DESCRIPTION
The SN65HVD230Q, SN65HVD231Q, and SN65HVD232Q controller area network (CAN) transceivers are
designed for use with the Texas Instruments TMS320Lx240x 3.3-V DSPs with CAN controllers, or with
equivalent devices. They are intended for use in applications employing the CAN serial communication physical
layer in accordance with the ISO 11898 standard. Each CAN transceiver is designed to provide differential
transmit capability to the bus and differential receive capability to a CAN controller at speeds up to 1 Mbps.
Designed for operation in especially-harsh environments, these devices feature cross-wire protection,
loss-of-ground and overvoltage protection, overtemperature protection, as well as wide common-mode range.
The transceiver interfaces the single-ended CAN controller with the differential CAN bus found in industrial,
building automation, and automotive applications. It operates over a –2-V to 7-V common-mode range on the
bus, and it can withstand common-mode transients of ±25 V.
On the SN65HVD230Q and SN65HVD231Q, RS (pin 8) provides three different modes of operation:
high-speed, slope control, and low-power modes. The high-speed mode of operation is selected by connecting
pin 8 to ground, allowing the transmitter output transistors to switch on and off as fast as possible with no
limitation on the rise and fall slopes. The rise and fall slopes can be adjusted by connecting a resistor to ground
at pin 8, since the slope is proportional to the pin’s output current. This slope control is implemented with external
resistor values of 10 kΩ, to achieve a 15-V/µs slew rate, to 100 kΩ, to achieve a 2-V/ s slew rate.µ
The circuit of the SN65HVD230Q enters a low-current standby mode during which the driver is switched off and
the receiver remains active if a high logic level is applied to RS (pin 8). The DSP controller reverses this
low-current standby mode when a dominant state (bus differential voltage > 900 mV typical) occurs on the bus.
The unique difference between the SN65HVD230Q and the SN65HVD231Q is that both the driver and the
receiver are switched off in the SN65HVD231Q when a high logic level is applied to RS (pin 8) and remain in
this sleep mode until the circuit is reactivated by a low logic level on RS.
The Vref (pin 5 on the SN65HVD230Q and SN65HVD231Q) is available as a V
CC/2 voltage reference.
The SN65HVD232Q is a basic CAN transceiver with no added options; pins 5 and 8 are NC, no connection.
AVAILABLE OPTIONS{}
FUNCTION
NUMBER
LOW
POWER MODE
INTEGRATED SLOPE
CONTROL Vref PIN
’230 370-µA standby mode Yes Yes
’231 10-µA sleep mode Yes Yes
’232 No NoNo standby or sleep mode
PART NUMBER Q100 TAMARKED AS:
SN65HVD230QD No
40°C t
HV230Q
SN65HVD231QD No −40°C to
125
°
C
HV231Q
SN65HVD232QD No
125 C°
HV232Q
SN65HVD230QDQ1 Yes
40°C t
230Q1
SN65HVD231QDQ1 Yes −40°C to
125
°
C
231Q1
SN65HVD232QDQ1 Yes
125 C°
232Q1
†For the most current package and ordering information, see the Package Option
Addendum at the end of this document, or see the TI web site at http://www.ti.com.
‡Package drawings, thermal data, and symbolization are available at
http://www.ti.com/packaging.
The D package is available taped and reeled. Add the suffix R to device type (e.g.,
SN65HVD230QDRQ1).
SN65HVD230Q-Q1
SN65HVD231Q-Q1
SN65HVD232Q-Q1
SGLS398A − APRIL 2002 − REVISED APRIL 2008
3
www.ti.com
Function Tables
DRIVER (SN65HVD230Q, SN65HVD231Q)
INPUT D
R
OUTPUTS
BUS STATE
INPUT D RSCANH CANL BUS STATE
L
V 1 2 V
H L Dominant
HV(Rs) < 1.2 V Z Z Recessive
Open X Z Z Recessive
X V(Rs) > 0.75 VCC Z Z Recessive
H = high level; L = low level; X = irrelevant; ? = indeterminate
DRIVER (SN65HVD232Q)
INPUT D
OUTPUTS
BUS STATE
INPUT D CANH CANL BUS STATE
L H L Dominant
H Z Z Recessive
Open Z Z Recessive
H = high level; L = low level
RECEIVER (SN65HVD230Q)
DIFFERENTIAL INPUTS RSOUTPUT R
VID X L≥ 0.9 V
0.5 V < VID < 0.9 V X ?
VID X H≤ 0.5 V
Open X H
H = high level; L = low level; X = irrelevant; ? = indeterminate
RECEIVER (SN65HVD231Q)
DIFFERENTIAL INPUTS R
SOUTPUT R
VID L≥ 0.9 V
0.5 V < VID < 0.9 V V
(
Rs
)
< 1.2 V ?
VID ≤ 0.5 V
V(Rs)
<
1.2
V
H
X V(Rs)
> 0.75 VCC H
X 1.2 V < V(Rs) < 0.75 VCC ?
Open X H
H = high level; L = low level; X = irrelevant; ? = indeterminate
RECEIVER (SN65HVD232Q)
DIFFERENTIAL INPUTS OUTPUT R
VID L≥ 0.9 V
0.5 V < V ID < 0.9 V ?
VID H≤ 0.5 V
Open H
H = high level; L = low level; X = irrelevant; ? = indeterminate

Specyfikacje produktu

Marka: Texas Instruments
Kategoria: Niesklasyfikowane
Model: SN65HVD230QD

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