LTC1386CS#PBF

1
LTC1386
1386fa
3.3V Low Power
EIA/TIA562 Transceiver
Operates from a Single 3.3V Supply
Low Supply Current: I
CC
= 200µA
ESD Protection Over ±10kV
Available in 16-Pin SOIC Narrow Package
Uses Small Capacitors: 0.1µF
Operates to 120kBaud
Output Overvoltage Does Not Force Current
Back into Supplies
EIA/TIA562 I/O Lines Can Be Forced to ±25V
Without Damage
Pin Compatible with LT1181A
The LTC
®
1386 is an ultra-low power 2-driver/2-re-
ceiver EIA/TIA562 transceiver that operates from a
single 3.3V supply. The charge pump requires only four
space-saving 0.1µF capacitors. The supply current
(I
CC
) of the transceiver is only 200µA with driver out-
puts unloaded.
The LTC1386 is fully compliant with all data rate and
overvoltage EIA/TIA562 specifications. The transceiver
can operate up to 120kbaud with a 1000pF, 3k load.
Both driver outputs and receiver inputs can be forced to
±25V without damage and can survive multiple ±10kV
ESD strikes.
Notebook Computers
Palmtop Computers
Quiescent Supply Current vs Temperature
TEMPERATURE (°C)
–20
0
QUIESCENT CURRENT (µA)
100
200
300
400
600
0
20 40 60
LTC1386 • TA02
80
500
TEST CONDITION: V
CC
= 3.3V
QUIESCENT
CURRENT
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
LTC1386 • TA01
LTC1386
1
3
0.1µF
16
V
CC
= 3.3V
2
0.1µF
6
0.1µF
0.1µF
4
5
562 OUTPUT
14
7
562 OUTPUT
13
562 INPUT
5k
8
562 INPUT
15
11
10
12
9
LOGIC INPUT
LOGIC INPUT
LOGIC OUTPUT
LOGIC OUTPUT
5k
300k
V
CC
300k
V
CC
2
LTC1386
1386fa
Supply Voltage (V
CC
) ................................................ 5V
Input Voltage
Driver ....................................... 0.3V to V
CC
+ 0.3V
Receiver ............................................... 25V to 25V
Digital Input ............................... 0.3V to V
CC
+ 0.3V
Output Voltage
Driver .................................................... 25V to 25V
Receiver .................................... 0.3V to V
CC
+ 0.3V
Short-Circuit Duration
V
+
................................................................... 30 sec
V
................................................................... 30 sec
Driver Output .............................................. Indefinite
Receiver Output .......................................... Indefinite
Operating Temperature Range
LTC1386C ............................................... 0°C to 70°C
LTC1386I............................................ – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ORDER PART
NUMBER
LTC1386CS
LTC1386IS
DC ELECTRICAL CHARACTERISTICS
T
JMAX
= 125°C, θ
JA
= 95°C/W
Consult LTC Marketing for parts specified with wider operating temperature
ranges.
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C1
+
V
+
C1
C2
+
C2
V
TR2 OUT
RX2 IN
V
CC
GND
TR1 OUT
RX1 IN
RX1 OUT
TR1 IN
TR2 IN
RX2 OUT
The denotes specifications which apply over the full operating
temperature range. V
CC
= 3.3V, C1 = C2 = C3 = C4 = 0.1µF, unless otherwise noted.
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
PARAMETER CONDITIONS MIN TYP MAX UNITS
Any Driver
Output Voltage Swing 3k to GND Positive 3.7 4.5 V
Negative 3.7 4.5 V
Logic Input Voltage Level Input Low Level (V
OUT
= High) 1.4 0.8 V
Input High Level (V
OUT
= Low) 2.0 1.4 V
Logic Input Current V
IN
= V
CC
5 µA
V
IN
= 0V –20 –40 µA
Output Short-Circuit Current V
OUT
= 0V ±9 ±10 mA
Any Receiver
Input Voltage Thresholds Input Low Threshold 0.8 1.3 V
Input High Threshold 1.7 2.4 V
Hysteresis 0.1 0.4 1 V
Input Resistance 10V V
IN
10V 3 5 7 k
Output Voltage Output Low, I
OUT
= – 1.6mA (V
CC
= 3.3V) 0.2 0.4 V
Output High, I
OUT
= 160µA (V
CC
= 3.3V) 3.0 3.2 V
Output Short-Circuit Current Sinking Current, V
OUT
= V
CC
–5 20 mA
Sourcing Current, V
OUT
= GND 2 7 mA
Power Supply Generator
V
+
Output Voltage I
OUT
= 0mA 5.7 V
I
OUT
= 5mA 5.5 V
V
Output Voltage I
OUT
= 0mA 5.3 V
I
OUT
= –5mA 5.0 V
Power Supply
V
CC
Supply Current No Load (Note 2), 0°C to 70°C 0.2 0.5 mA
No Load (Note 2), – 40°C to 85°C 0.35 1.0 mA
3
LTC1386
1386fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
DATA RATE (kBAUD)
0
SUPPLY CURRENT (mA)
60
LTC1386 • TPC03
10
5
20 40 80
0
20
15
100 120 140
V
CC
= 3.3V
R
L
= 3k
C
L
= 2500pF
ALL DRIVERS ACTIVE
Supply Current vs Data Rate
TEMPERATURE (˚C)
0
THRESHOLD VOLTAGE (V)
1.8
2.0
2.2
30
V
TH
+
V
TH
50
LTC1386 • TPC02
1.6
1.4
10 20
40 60 70
1.2
1.0
Receiver Input Thresholds
vs Temperature
Receiver Output WaveformsDriver Output Waveforms
DRIVER
OUTPUT
R
L
= 3k
C
L
= 1000pF
DRIVER
OUTPUT
R
L
= 3k
INPUT
RECEIVER
OUTPUT
C
L
= 51pF
INPUT
LTC1386 • TPC05 LTC1386 • TPC06
TEMPERATURE (°C)
0
0
SUPPLY CURRENT (mA)
0.5
1.5
2.0
2.5
40
4.5
LTC1386 • TPC04
1.0
20
10
50 60
30 70
3.0
3.5
4.0
2 DRIVERS LOADED
R
L
= 3k
1 DRIVER LOADED
R
L
= 3k
V
CC
Supply Current
vs Temperature
TEMPERATURE (°C)
0
–5
DRIVER OUTPUT VOLTAGE (V)
–4
–2
–1
0
5
2
20
40
50
LTC1386 • TPC01
–3
3
4
1
10
30
60
70
OUTPUT HIGH
V
CC
= 3.3V
OUTPUT LOW
V
CC
= 3.3V
ALL DRIVERS WITH LOAD
R
L
= 3k
Driver Output Voltage
vs Temperature
The
denotes specifications which apply over the full operating temperature range.
V
CC
= 3.3V, C1 = C2 = C3 = C4 = 0.1µF, unless otherwise noted.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: Supply current is measured with driver and receiver outputs
unloaded.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Slew Rate R
L
= 3k, C
L
= 51pF 8 30 V/µs
R
L
= 3k, C
L
= 1000pF 3 5 V/µs
Driver Propagation Delay t
HLD
(Figure 1) 2 3.5 µs
(TTL to EIA/TIA562) t
LHD
(Figure 1) 2 3.5 µs
Receiver Propagation Delay t
HLR
(Figure 2) 0.3 0.8 µs
(EIA/TIA562 to TTL ) t
LHR
(Figure 2) 0.3 0.8 µs
Note 3: Measurements made in the shutdown mode are performed
with V
ON/OFF
=OV.
5µs/DIV 5µs/DIV
AC CHARACTERISTICS

LTC1386CS#PBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
RS-232 Interface IC RS232 2Dx/2Rx in Narrow SOIC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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