LM1893N National Semiconductor, LM1893N Datasheet - Page 2

• Manufacturer Part Number: LM1893N
• Description: IC TXRX CARRIER CURRENT
• Manufacturer: National Semiconductor
• Type: Transceiverr

Specifications of LM1893N

• Number Of Drivers/receivers: 1/1
• Voltage - Supply: 18V
• Mounting Type: Through Hole
• Package / Case: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Protocol: -
• Other names: *LM1893N; LM1893

10
11
12
13
14
1
2
3
4
5
6
7
8
9
15
16
17
18
19
20
21
22
23
24
Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply voltage
Voltage on pin 12
Voltage on pin 10 (Note 1)
Voltage on pins 5 and 17
5 6 V DC zener current
Junction temperature
Electro-Static Discharge (120 pF 1500 )
General Electrical Characteristics
(Note 3) The test conditions are V
Transmitter Electrical Characteristics
unless otherwise noted The transmit center frequency is F
5 6 V Zener voltage V
5 6 V Zener resistance R
Carrier I O peak survivable
transient voltage V
Carrier I O clamp voltage V
Carrier I O clamp resistance R
TX RX low input voltage V
TX RX high input voltage V
TX RX low input current I
TX RX high input current I
RX
TX
ICO initial accuracy of F
ICO temperature coefficient of F
Temperature drift of F
Supply voltage V
Total supply current I
Carrier I O output current I
Carrier I O lower swing limit V
THD of I
FSK deviation F
Data In low input voltage V
Data In high input voltage V
Data In low input current I
Data In high input current I
b
b
RX switch-over time T
TX switch-over time T
O
Parameter
(Note 6)
Parameter
2
OT
a
b
O
F
transmit mode
receive mode
Z
range
1
O
QT
Z
IL
IH
IL
RT
TR
IH
OC
IL
O
IH
IL
IH
10
O
ALC
a
Pin 11 I
Pin 11 R
Pin 10 discharge 1 F cap charged to V
thru
Pin 10 I
2N2222 diode pin 8 to 9
Pin 10 I
Pin 5
Pin 5 (Note 9)
Pin 5 at 0 8 V
Pin 5 at 40 V
Time to develop 63% of full current drive thru pin 10
1 bit time T
controlled with C
TX mode R
F
TX or RX mode (F
TX or RX mode
e
0
18V and F
e
Meets test 17 spec at T
l
l
Pin 15 Pin 12 high I
pin 15 and the average current I
Carrier I O through pin 10
100
Pin 10 Set internally be ALC
2N2222 diode pin 8 to 9
Q of 10 tank driving 10
100
(F
Pin 17
Pin 17 (Note 9)
Pin 17 at 0 8 V
Pin 17 at 40 V
k
(F
(F
(F
2
1
1
1
b
Z
OC
OC
1
14V
24V
Z
F
e
a
load on pin 10
load no tank
e
1
e
e
2 mA
B
) ( F
O
(V
F
e
10 mA RX mode
10 mA
b
b
e
2
Z
) 2
O
1 (2F
F
F
b
2
100 mA
M
6 65 k
1
1
e
a
10 mA
OMAX
40
150 C
125 C
Conditions
18V ) F
18V ) F
O
see Apps Info
125 kHz unless otherwise noted
F
30 V
55 V
41 V
40 V
1KV
Conditions
DATA
s
1
FSK low is F
T
QT
b
2)
b
J s
C
) Time T
F
V
1
1
is I
O
OMIN
T
J
Z
line
JMAX
e
18V
18V
e
2
Q
(Note 3) The test conditions are V
1 mA) (10 mA
25 C and
through
560 pF
) (T
l
l
which damage to the device may occur Electrical specifica-
tions are not ensured when operating the device above
guaranteed limits but below absolute maximum limits but
there will be no device degradation
k
k
Maximum continuous dissipation T
plastic DIP N (Note 2)
Operating ambient temp range
Storage temperature range
Lead temp soldering 7 seconds
Note Absolute maximum ratings indicate limits beyond
TR
1
ODC
0 01
0 01
JMAX
is user
and FSK high is F
of the
OT
b
T
JMIN
b
1 mA)
)
Typical
10
13
40
b
4 7
0 6
5 5
4 4
1 7
2 1
52
70
b
1
2
4
Typical
b
g
10
125
b
5 6
1 8
2 2
100
80
44
20
10
2 0
5
2
b
2
transmit mode
receive mode
4
(Note 4)
Limit
Test
b
a
4 0
5 7
3 7
5 2
0 8
2 8
b
14
24
79
45
10
1
10
e
1
(Note 4)
Limit
Test
b
113
137
18 V and F
5 2
5 9
0 8
2 8
b
60
41
50
10
1
20
1
A
e
(Note 5)
25 C
Design
Limit
5 0
15
23
(Note 5)
0
9
Design
O
g
Limit
e
0
5 0
b
125 kHz
b
65 to 150 C
40 to 85 C
mApp min
mA max
% max
% max
% max
1 66 W
1 33 W
V max
V max
% min
V max
kHz max
V min
V min
V min
kHz min
Units
PPM C
Limit
A max
A max
260 C
% max
A min
A min
V max
V max
V max
V max
V min
V min
V min
Units
Limit
A max
A max
A min
A min
bit
s