CLT01-38S4 [STMICROELECTRONICS]
High speed protected digital termination array;
| 型号： | CLT01-38S4 |
| 厂家： | 
ST |
| 描述： | High speed protected digital termination array |
| 文件： | 总8页 (文件大小：290K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CLT01-38S4
High speed protected digital termination array
Data brief
Benefits
Enables input to meet type 1, 2 and 3
characteristics of IEC 61131-2 standard
Compatible operation with 2 wires proximity
sensor according EN 60947-5-2 standard
Compact board with surface mount integration
and reduced count of isolated couplers
CLT01-38S4
HTSSOP-38
Reduces the count of input-output of the bus
controller circuit
Features
Provides energy-less input LED visual status
Enhanced functional reliability
8-input circuit in common ground low side
topology
Built-in over voltage robustness and immune
data transfer
Wide range input DC voltage V : -30 V to 35 V
I
Reduced dissipation: 78 mW max. per channel
On state threshold: < 11 V with R = 2.2 k
I
Off state threshold: I > 1.5 mA or V > 5 V
in
i
Complies with following standards
(RI = 2.2, RC = 2.2, C = 33 nF):
Protected against -30 V reverse polarity
Typical I
= 2.1 to 2.6 mA adjustable current
LIM
Electrostatic discharge, IEC 61000-4-2:
limiters
– ±8 kV contact discharge
Tight current tolerance including temperature
– ±15 kV air discharge
compensation: ±10%
(a)
Electrical transient immunity IEC 61000-4-4
:
Serial output with an SPI communication bus
Clock frequency up to 6.25 MHz
– F
– F
= 6.25 MHz, ±3 kV
= 10 kHz, ±4 kV
SCK
SCK
C
= C
= 0 bus master operation
PHA
POL
Voltage surge IEC 61000-4-5
– Input: ±15 kV
Multi CLT operation in daisy chain connection
16-bit mode: 8 bits for data / 8 bits for control
– Minimum capture time: 4 µs
– Power supply: ±2.5 kV
– Input data rate: 200 kbps/100 kHz
– Minimum propagation transfer time: 7 µs
Applications
Programmable logic controller and
8-bit mode: 8 bits for data
decentralized input modules
– Minimum capture time: 2.5 µs
– Input data rate: 400 kbps/200 kHz
– Minimum propagation transfer time: 4 µs
High speed protected termination for digital
input with serialized SPI output
IEC 61131-2 type 1, 2 and 3.
V = -0.3 to +35 V with R = 2.2 k
CC
C
Ambient temperature range: -25 to +85°C
a. With 470 pF grounded on CS and 100 pF grounded on
CLK
Digital inputs for programmable logic controller
and decentralized I/O modules
April 2013
DocID024384 Rev1
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For further information contact your local STMicroelectronics sales office.
www.st.com
8
Description
CLT01-38S4
1
Description
CLT01-38S4 adds to the existing current limiter family. Still focusing on power consumption
savings, the whole series allows each customer to find the right solution.
The CLT01-38S4 is an octal input termination device with a high speed SPI output. Its
maximum input data rate is 400 kbps while the output SPI speed is 6.25 MHz.
As in previous versions, robustness is a key feature of CLT01-38S4. The product is
compliant with surge standards defined in IEC 61000-4-x.
It can run all types of sensor according to IEC 61131-2. Type 1 and 3 with a 2.35 mA limited
current and type 2 using two inputs per sensor with the correct R
.
REF
2
Characteristics
2.1
Simplified block diagram
Figure 1. Simplified block diagram
VDD
DVR
MISO, /MISO control
VDD
MISO
/MISO
IN1
LD1
VR
Write
8 lines
8 lines
VDD
VIN < V
R
MOSI
SCK
Shift
COMPP
VDD
Capture
VDD
Current
reference
REF
MOSI
Shift
/CS
VDD
16
-
bit
Parity
bits generator
SPM
VC
4 lines
Power
supply
Power
reset
VDD
Under voltage
alarm
Over temperature
alarm
VCS
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CLT01-38S4
Characteristics
2.2
Basic application diagram
Figure 2. Basic application diagram
RS
VCS
SPI
UVA
CLT01-38S4
RPD
VCC
VDD
VC
Voltage
COMS
RC
COMP
regulator
SCK
/CS
RI
O-T
O-T
O-T
IN1
VIN
VI
8 / 16-bit
State transfer
SPI
8-input
MISO
TYPE 1 / 3
CLT
CPHA = 0
CPOL = 0
IN8
MOSI
SPM
RREF
REF
DVR
O-T = opto-transistor
or isolator
LD1
LD8
2.3
Input I/O pin descriptions
Figure 3. Pinout description of the HTSSOP-38 version (top view)
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
1
2
DVR
NC
VDD
NC
3
SUB
SPM
COMP
VC
NC
4
/CS
5
SCK
MOSI
6
VCS
7
COMP
IN1
NC
MISO
/MISO
COMS
8
9
IN2
10
11
12
13
14
15
16
17
18
19
IN3
REF
NC
IN4
COMP
IN5
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LD8
IN6
IN7
IN8
COMP
NC
SUB
NC
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Characteristics
CLT01-38S4
Table 1. Pin-out name and description
description
Name
Type
Power input
Pin name
INI
LDI
VC
Logic input with a current regulation behavior, I = 1 to 8
8 to 11, 13 to 16
Power output LED output driver with a current regulation behavior, I = 1 to 8
20 to 27
Power input
Signal input
24 V sensor power supply
5
VCS
24 V sensor power supply sensing input
Power ground of power sensor supply
6
COMP Ground
4, 7, 12, 17
VDD
Power output 5 V logic power supply
38
30
29
3
COMS Ground
Signal ground of logic / output section
Input current limiter reference setting
SPI shift register length selector (8 or 16 bits)
SPI chip Select signal
REF
Signal input
SPM Signal input
/CS
Logic input
Logic input
35
34
33
SCK
SPI serial clock signal
MOSI Logic output SPI serial data input signal
SPI data selector:
DVR
Signal input
DVR = GND pin 31 = MISO
DVR = VDD pin 31 = /MISO
1
MISO or
/MISO
SPI serial data output signal or Inverting SPI serial data output
signal
Logic output
Substrate
31
SUB
NC
Exposed pad: connected to die substrate, to connect to COMP
Not connected (or to be connected to COMP)
Exposed pad
2, 18, 19, 28, 36, 37
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CLT01-38S4
Package information
3
Package information
Epoxy meets UL94, V0
Lead-free packages
In order to meet environmental requirements, ST offers these devices in different grades of
®
®
ECOPACK packages, depending on their level of environmental compliance. ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
®
ECOPACK is an ST trademark.
Figure 4. HTSSOP-38 dimension definitions
38
20
19
E
E1
c
1
e
14°
D
P
0.25 mm
A2
A
b
A1
Ø
L
P1
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Package information
CLT01-38S4
Table 2. HTSSOP-38 dimension values
Dimensions
Ref.
Millimeters
Inches
Typ.
Min.
Typ.
Max.
Min.
Max.
A
A1
A2
b
-
-
1.1
0.15
0.95
0.27
0.20
9.80
4.50
-
-
-
0.043
0.006
0.037
0.011
0.008
0.386
0.177
-
0.05
0.85
0.17
0.09
9.60
4.30
-
-
0.002
0.033
0.007
0.003
0.378
0.169
-
-
0.9
-
0.035
-
c
-
-
D
9.70
4.40
0.50
6.40
0.60
6.50
3.20
-
0.382
0.173
0.020
0.252
0.024
0.256
0.126
-
E1
e
E
-
-
-
-
L
0.50
6.40
3.10
0°
0.70
6.60
3.30
8°
0.020
0.252
0.122
0°
0.027
0.260
0.130
8°
P
P1
Ø
Figure 5. footprint (dimensions in mm)
0.5
1.30
0.60
4.50
3.30
7.10
6.60
0.3
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CLT01-38S4
Ordering information
4
Ordering information
Figure 6. Ordering information scheme
CLT 01 - 3 8 S4
Current limiting termination
Version
Current limitation
3 = 3 mA
Octal input
Serial
Table 3. Ordering information
Order code
Marking
Package
Weight Base qty Delivery mode
CLT01-38S4-TR
CLT01-38S4
CLT01-38S4
CLT01-38S4
HTSSOP-38 114 mg
HTSSOP-38 114 mg
2500
40
Tape and reel
Tube
5
Revision history
Table 4. Revision history
Changes
Date
Revision
23-Apr-2013
1
First issue
DocID024384 Rev1
7/8
CLT01-38S4
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