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LM1893 Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM1893
Description  LM1893/LM2893 Carrier-Current Transceiver
PDF  24 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM1893 Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply voltage
30 V
Voltage on pin 12
55 V
Voltage on pin 10 (Note 1)
41 V
Voltage on pins 5 and 17
40 V
56 V DC zener current
100 mA
Junction temperature
transmit mode
150 C
receive mode
125 C
Electro-Static Discharge (120 pF 1500X)
1KV
Maximum continuous dissipation TAe25 C
plastic DIP N (Note 2)
transmit mode
166 W
receive mode
133 W
Operating ambient temp range
b
40 to 85 C
Storage temperature range
b
65 to 150 C
Lead temp soldering 7 seconds
260 C
Note
Absolute maximum ratings indicate limits beyond
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
General Electrical Characteristics
(Note 3) The test conditions are Va e18V and FOe125 kHz unless otherwise noted
Test
Design
Limit
Parameter
Conditions
Typical
Limit
Limit
Units
(Note 4)
(Note 5)
1
56 V Zener voltage VZ
Pin 11 IZe2 mA
56
52
V min
59
V max
2
56 V Zener resistance RZ
Pin 11 RZe(VZ 10 mAbVZ 1 mA)(10 mAb1 mA)
5
X
3
Carrier IO peak survivable
Pin 10 discharge 1 mF cap charged to VOT
80
60
V max
transient voltage VOT
thru k1X
4
Carrier IO clamp voltage VOC
Pin 10 IOCe10 mA RX mode
44
41
V min
2N2222 diode pin 8 to 9
50
V max
5
Carrier IO clamp resistance R10
Pin 10 IOCe10 mA
20
X
6
TXRX low input voltage VIL
Pin 5
18
08
V max
7
TXRX high input voltage VIH
Pin 5 (Note 9)
22
28
V min
8
TXRX low input current IIL
Pin 5 at 08 V
b
2
b
20
m
A min
1
m
A max
9
TXRX high input current IIH
Pin5at40V
b
1
0
m
A min
10
b
4
10
m
A max
10
RXbTX switch-over time TRT
Time to develop 63% of full current drive thru pin 10
10
m
s
11
TXbRX switch-over time TTR
1 bit time TBe1(2FDATA) Time TTR is user
2
bit
controlled with CM see Apps Info
12
ICO initial accuracy of FO
TX mode RO e 665 kX CO e 560 pF
125
113
kHz min
F0 e (F1 a F2)2
137
kHz max
13
ICO temperature coefficient of FO
TX or RX mode (FOMAXbFOMIN)(TJMAXbTJMIN)
b
100
PPM C
14
Temperature drift of FO
TX or RX mode b40sTJsTJMAX
g
20
g
50
% max
Transmitter Electrical Characteristics (Note 3) The test conditions are Vae18 V and F
O
e
125 kHz
unless otherwise noted The transmit center frequency is FO FSK low is F1 and FSK high is F2
Test
Design
Limit
Parameter
Conditions
Typical
Limit
Limit
Units
(Note 4)
(Note 5)
15
Supply voltage V
a
range
Meets test 17 spec at TJe25 C and
13
14
15
V min
l(F1 14V bF1 18V )F1 18V lk001
40
24
23
V max
l(F1 24V bF1 18V )F1 18V lk001
16
Total supply current IQT
Pin 15 Pin 12 high IQT is IQ through
52
79
mA max
pin 15 and the average current IODC of the
Carrier IO through pin 10
17
Carrier IO output current IO
100X load on pin 10
70
45
mApp min
18
Carrier IO lower swing limit VALC
Pin 10 Set internally be ALC
47
40
V min
2N2222 diode pin 8 to 9
57
V max
19
THD of IO (Note 6)
Q of 10 tank driving 10X line
06
50
% max
100X load no tank
55
9
% max
20
FSK deviation F2bF1
(F2bF1)( F2aF1 2)
44
37
% min
52
% max
21
Data In low input voltage VIL
Pin 17
17
08
V max
22
Data In high input voltage VIH
Pin 17 (Note 9)
21
28
V min
23
Data In low input current IIL
Pin 17 at 08 V
b
1
b
10
m
A min
1
m
A max
24
Data In high input current IIH
Pin 17 at 40 V
b
1
0
m
A min
10
b
4
10
m
A max
2



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