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PDF LTC1380CGN Data sheet ( Hoja de datos )
| Número de pieza | LTC1380CGN | |
| Descripción | Single-Ended 8-Channel/ Differential 4-Channel Analog Multiplexer with SMBus Interface | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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LTC1380/LTC1393
Single-Ended 8-Channel/
Differential 4-Channel Analog
Multiplexer with SMBus Interface
FEATURES
s Micropower Operation: Supply Current = 20µA Max
s 2-Wire SMBus Interface
s Single 2.7V to ±5V Supply Operation
s Expandable to 32 Single or 16 Differential Channels
s Guaranteed Break-Before-Make
s Low RON: 35Ω Single Ended/70Ω Differential
s Low Charge Injection: 20pC Max
s Low Leakage: ±5nA Max
s Available in 16-Lead SO and GN Packages
U
APPLICATIONS
s Data Acquisition Systems
s Process Control
s Laptop Computers
s Signal Multiplexing/Demultiplexing
s Analog-to-Digital Conversion Systems
DESCRIPTION
The LTC®1380/LTC1393 are CMOS analog multiplexers with
SMBus® compatible digital interfaces. The LTC1380 is a
single-ended 8-channel multiplexer, while the LTC1393 is a
differential 4-channel multiplexer. The SMBus digital inter-
face requires only two wires (SCL and SDA). Both the
LTC1380 and the LTC1393 have four hard-wired SMBus
addresses, selectable with two external address pins. This
allows four devices, each with a unique SMBus address, to
coexist on one system and for four devices to be synchro-
nized with one stop bit.
The supply current is typically 10µA. Both digital interface
pins are SMBus compatible over the full operating supply
voltage range. The LTC1380 analog switches feature a
typical RON of 35Ω (±5V supplies), typical switch leakage of
20pA and guaranteed break-before-make operation. Charge
injection is ±1pC typical.
The LTC1380/LTC1393 are available in 16-lead SO and GN
packages. Operation is fully specified over the commercial
and industrial temperature ranges.
, LTC and LT are registered trademarks of Linear Technology Corporation.
SMBus is a registered trademark of Intel Corporation.
TYPICAL APPLICATION
LTC1380 Single-Ended 8-Channel Multiplexer
5V
8 ANALOG
INPUTS
1
S0
2
S1
16
VCC
15
SCL
3
S2
14
SDA
4
S3
13
A0
5 LTC1380 12
S4 A1
6
S5
11
GND
7
S6
8
S7
10
VEE
9
DO
SMBus
0.1µF 15k 15k HOST
SCL
SDA
ANALOG OUTPUT
0.1µF
– 5V
1380/93 TA01
On Resistance vs VS
250
225
TA = 25°C
ID = 1mA
200
175
150
125
100
75 VCC = 5V
50 VEE = – 5V
25
0
–5 –4 –3 –2 –1 0 1
VS (V)
VCC = 2.7V
VEE = 0V
VCC = 5V
VEE = 0V
2345
1167 G15
1
1 page  
TYPICAL PERFOR A CE CHARACTERISTICS (Note 5)
LTC1380/LTC1393
Off Time vs Temperature
800
VCC = 2.7V
700 VEE = 0V
VS = 1.35V
600
VCC = 5V
500 VEE = – 5V
VS = 0V
400
VCC = 5V
VEE = 0V
VS = 2.5V
300
200
100
0
– 50 – 25
0 25 50 75
TEMPERATURE (°C)
100 125
1380/93 G10
On Time vs Temperature
1600
1400
1200
1000
VCC = 2.7V
VEE = 0V
VS = 1.35V
VCC = 5V
VEE = – 5V
VS = 0V
800 VCC = 5V
VEE = 0V
600 VS = 2.5V
400
200
0
– 50 – 25
0 25 50 75
TEMPERATURE (°C)
100 125
1380/93 G11
QINJ vs VC (Figure 3)
5.0
TA = 25°C
4.5
4.0
3.5
VCC = 5V
VEE = – 5V
3.0
2.5
2.0
1.5
1.0
0.5
0
–5 –4 –3 –2 –1 0 1
VC (V)
VCC = 5V
VEE = 0V
VCC = 2.7V
VEE = 0V
2345
1380/93 G12
QINJ vs Temperature (Figure 3)
2.0
1.8 VCC = 5V
VEE = – 5V
1.6 VS = 0V
1.4
1.2
1.0 VCC = 5V
0.8
VEE = 0V
VS = 2.5V
0.6 VCC = 2.7V
0.4 VEE = 0V
VS = 1.35V
0.2
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1380/93 G13
ICC vs Temperature
10
9
8
VCC = 5V
VEE = – 5V
7 VCC = 2.7V
6 VEE = 0V
5
VCC = 5V
VEE = 0V
4
3
2
1
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1380/93 G15
Off-Channel Isolation vs Input
Common Mode Voltage (Figure 2)
– 75
– 74
– 73
VCC = 5V
VEE = 0V
VCC = 2.7V
VEE = 0V
– 72
– 71 VCC = 5V
VEE = – 5V
– 70
– 69
– 68
– 67 TA = 25°C
– 66 VS = 200mVP-P, 100kHz
– 65 RL = 1k
–5 –4 –3 –2 –1 0 1 2 3 4 5
VC (V)
1380/93 G14
IEE vs Temperature
0
– 10
–20 VCC = 5V
VEE = – 5V
– 30 VS = 0V
– 40
– 50
– 60
– 70
– 80
– 90
– 100
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1380/93 G16
5
5 Page 
LTC1380/LTC1393
PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.
GN Package
16-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)
0.189 – 0.196*
(4.801 – 4.978)
16 15 14 13 12 11 10 9
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
0.007 – 0.0098
(0.178 – 0.249)
0.015
(0.38
±
±
0.004
0.10)
×
45°
0° – 8° TYP
0.016 – 0.050
(0.406 – 1.270)
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
1 234 5678
0.053 – 0.068
(1.351 – 1.727)
0.004 – 0.0098
(0.102 – 0.249)
0.008 – 0.012
(0.203 – 0.305)
0.025
(0.635)
BSC
GN16 (SSOP) 1197
S Package
16-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.386 – 0.394*
(9.804 – 10.008)
16 15 14 13 12 11 10 9
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
0.010
(0.254
–
–
0.020
0.508)
×
45°
0.008 – 0.010
(0.203 – 0.254)
0° – 8° TYP
1 2 34 5 6 7 8
0.053 – 0.069
(1.346 – 1.752)
0.004 – 0.010
(0.101 – 0.254)
0.016 – 0.050
0.406 – 1.270
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.014 – 0.019
(0.355 – 0.483)
0.050
(1.270)
TYP
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
S16 0695
11
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| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet LTC1380CGN.PDF ] | |
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