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LTC1594IS#TR

Description
4-Channel Single ADC SAR 16.8ksps 12-bit Serial 16-Pin SOIC N T/R
CategoryAnalog mixed-signal IC    converter   
File Size238KB,24 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC1594IS#TR Overview

4-Channel Single ADC SAR 16.8ksps 12-bit Serial 16-Pin SOIC N T/R

LTC1594IS#TR Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerADI
package instructionSOP,
Reach Compliance Codenot_compliant
ECCN codeEAR99
Maximum analog input voltage5.55 V
Minimum analog input voltage-0.05 V
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeR-PDSO-G16
JESD-609 codee0
length9.9 mm
Maximum linear error (EL)0.0732%
Humidity sensitivity level1
Number of analog input channels4
Number of digits12
Number of functions1
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeBINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Sampling rate0.0014 MHz
Sample and hold/Track and holdSAMPLE
Maximum seat height1.75 mm
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3.9 mm
LTC1594/LTC1598
4- and 8-Channel,
Micropower Sampling
12-Bit Serial I/O A/D Converters
FEATURES
DESCRIPTIO
12-Bit Resolution
Auto Shutdown to 1nA
Low Supply Current: 320μA Typ
Guaranteed
±3/4LSB
Max DNL
Single Supply 5V Operation
(3V Versions Available: LTC1594L/LTC1598L)
Multiplexer: 4-Channel MUX (LTC1594)
8-Channel MUX (LTC1598)
Separate MUX Output and ADC Input Pins
MUX and ADC May Be Controlled Separately
Sampling Rate: 16.8ksps
I/O Compatible with QSPI, SPI and MICROWIRE
TM
, etc.
Small Package: 16-Pin Narrow SO (LTC1594)
24-Pin SSOP (LTC1598)
The LTC
®
1594/LTC1598 are micropower, 12-bit sampling
A/D converters that feature 4- and 8-channel multiplexers,
respectively. They typically draw only 320μA of supply
current when converting and automatically power down to
a typical supply current of 1nA between conversions. The
LTC1594 is available in a 16-pin SO package and the
LTC1598 is packaged in a 24-pin SSOP. Both operate on
a 5V supply. The 12-bit, switched-capacitor, successive
approximation ADCs include a sample-and-hold.
On-chip serial ports allow efficient data transfer to a wide
range of microprocessors and microcontrollers over three
or four wires. This, coupled with micropower consump-
tion, makes remote location possible and facilitates trans-
mitting data through isolation barriers.
The circuit can be used in ratiometric applications or with
an external reference. The high impedance analog inputs
and the ability to operate with reduced spans (to 1.5V full
scale) allow direct connection to sensors and transducers
in many applications, eliminating the need for gain stages.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
APPLICATIO S
Pen Screen Digitizing
Battery-Operated Systems
Remote Data Acquisition
Isolated Data Acquisition
Battery Monitoring
Temperature Measurement
TYPICAL APPLICATIO
OPTIONAL
ADC FILTER
1k
1μF
18
MUXOUT
20 CH0
21 CH1
22 CH2
ANALOG
INPUTS
0V TO 5V
RANGE
23 CH3
24 CH4
1 CH5
2 CH6
3 CH7
8 COM
8-CHANNEL
MUX
24μW, 4-Channel, 12-Bit ADC Samples at 200Hz and Runs Off a 5V Supply
Supply Current vs Sample Rate
5V
17
ADCIN
16
15, 19
V
REF
V
CC
10
6
5, 14
7
11
12
13
1
0.1
1
10
SAMPLE FREQUENCY (kHz)
100
1594/98 TA02
1000
1μF
SERIAL DATA LINK
MICROWIRE AND
SPI COMPATABLE
SUPPLY CURRENT (μA)
100
CSADC
CSMUX
+
12-BIT
SAMPLING
ADC
CLK
D
IN
D
OUT
NC
MPU
GND
4, 9
NC
1594/98 TA01
U
T
A
= 25°C
V
CC
= 5V
V
REF
= 5V
f
CLK
= 320kHz
10
15948fb
U
U
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