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PDF IC-DL Data sheet ( Hoja de datos )
| Número de pieza | IC-DL | |
| Descripción | 3-CHANNEL DIFFERENTIAL LINE DRIVER | |
| Fabricantes | IC-Haus | |
| Logotipo |  |
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iC-DL
3-CHANNEL DIFFERENTIAL LINE DRIVER
FEATURES
o 6 current-limited and short-circuit-proof push-pull drivers
o Differential 3-channel operation selectable
o Integrated impedance adaption for 30 to 140 Ω lines
o Wide power supply range from 4 to 40 V
o 200 mA output current (at VB = 24 V)
o Low output saturation voltage (< 0.4 V at 30 mA)
o Compatible with TIA/EIA standard RS-422
o Tristate switching of outputs enables use in buses
o Short switching times and high slew rates
o Low static power dissipation
o Schmitt trigger inputs with pull-down resistors, TTL and CMOS
compatible; voltage-proof up to 40 V
o Thermal shutdown with hysteresis
o Error message trigger input TNER
o Open-drain error output NER, active low with excessive chip
temperature and undervoltage at VCC or VB
o Option: Extended temperature range from -40 to 125 °C
Rev B1, Page 1/9
APPLICATIONS
o Line drivers for 24 V control
engineering
o Linear scales and encoders
o MR sensor systems
PACKAGES
QFN28 5 x 5 mm²
BLOCK DIAGRAM
TNER
ENA
E1
E2
E3
E4
E5
E6
DIFF
MODE
VCC
ERROR DETECTION
1
& UNDERVOLTAGE &
OVERTEMPERATURE
1
0
1
0
1
0
NER
VB1
A1
A2
VB2
A3
A4
VB3
A5
A6
iC-DL
GND1 GND2 GND3 GND4
vert. 8V/div. hor. 2µs/div
LINE 100 m
PLC
Copyright © 2009 iC-Haus
http://www.ichaus.com
1 page  
iC-DL
3-CHANNEL DIFFERENTIAL LINE DRIVER
Rev B1, Page 5/9
ELECTRICAL CHARACTERISTICS
Operating Conditions: VB1...3 = 4.5...32 V, VCC = 4...5.5 V, Tj = -40...140 °C, unless otherwise noted
input level lo = 0...0.45 V, hi = 2.4 V...VCC, timing diagram see fig. 1
Item Symbol Parameter
No.
Conditions
703 VBhys
Hysteresis
VBhys = VBon - VBoff
Supply Voltage Difference Control VB1...3
801 ∆V(VBx)
Threshold Condition for Supply ∆V(VBx) = MAX (|VB1 - VB2| ,
Voltage Difference between VB1, |VB2 - VB3| , |VB1 - VB3| )
VB2 and VB3
NER ⇒ low
Supply Voltage Control VCC
901 VCCon
Threshold Value at VCC for Un- NER ⇒ low
dervoltage Detection on
902 VCCoff
Threshold Value at VCC for Un- NER ⇒ high
dervoltage Detection off
903 VCChys Hysteresis
VCChys = VCCon - VCCoff
Temperatur Control
A01 Toff
Thermal Shutdown Threshold
A02 Ton
Thermal Lock-on Threshold
A03 Thys
Thermal Shotdown Hysteresis Thys = Ton - Toff
Error Output NER
B01 Vs()
Saturation Voltage low at NER I(NER) = 5 mA, NER = lo
B02 Isc()
Short Circuit Current low at NER V(NER) = 2...40 V, NER = lo
B03 IO()
Leakage Current at NER
V(NER) = 0 V...VB, NER = hi
B04 VCC
Supply Voltage for NER function I(NER) = 5 mA, NER = lo,
Vs(NER) < 0.4 V
Time Delays
I01 tplh(E-A) Propagation Delay Ex ⇒ Ax
DIFF = lo, Cl() = 100 pF, see Fig. 1
I02 tphl(E-A) Propagation Delay Ex ⇒ Ax
DIFF = lo, Cl() = 100 pF, see Fig. 1
I03 ∆tplh(Ax) Delay Skew
DIFF = hi, Cl() = 100 pF, see Fig. 1
|A1 ⇒ A2|, |A3 ⇒ A4|, |A5 ⇒ A6|
I04 ∆tphl(Ax) Delay Skew
DIFF = hi, Cl() = 100 pF, see Fig. 1
|A1 ⇒ A2|, |A3 ⇒ A4|, |A5 ⇒ A6|
I05 tplh(ENA) Propagation Delay ENA ⇒ Ax Ex = hi, DIFF = lo, Cl() = 100 pF,
Rl(Ax, GND) = 5 kΩ, see Fig. 1
I06 tplh(ENA) Propagation Delay ENA ⇒ Ax Ex = lo, DIFF = lo, Cl() = 100 pF,
Rl(VB, Ax) = 100 kΩ, see Fig. 1
I07 tphl(ENA) Propagation Delay ENA ⇒ Ax Ex = lo, DIFF = lo,
Rl(VB, Ax) = 5 kΩ, see Fig. 1
I08 tphl(ENA) Propagation Delay ENA ⇒ Ax Ex = hi, DIFF = lo,
Rl(Ax, GND) = 5 kΩ, see Fig. 1
I09 tphl(DIFF) Propagation Delay
DIFF ⇒ A2, A4, A6
E1, E3, E5 = hi, Cl() = 100 pF, see Fig. 1
I10 tplh(DIFF) Propagation Delay
DIFF ⇒ A2, A4, A6
E1, E3, E5 = lo, Cl() = 100 pF, see Fig. 1
I11 tpll(TNER) Propagation Delay TNER ⇒ NER Rl(VB, NER) = 5 kΩ,
Cl() = 100 pF, see Fig. 1
Min.
150
0.75
3
250
145
130
-10
2.9
Typ. Max.
250
1.85
3.95
600
175
165
12
0.4
12 20
10
100 400
100 200
30 100
30 100
130 300
100 200
200 500
250 500
100 250
130 400
0.5 2
Unit
mV
V
V
V
mV
°C
°C
°C
V
mA
µA
V
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
V
2.4V
2.0V
0.8V
0.45V
0
Input/Output
1
t
Figure 1: Reference levels for delays
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet IC-DL.PDF ] | |
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