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LTC1598LIG#PBF

Description
8-Channel Single ADC SAR 10.5ksps 12-bit Serial 24-Pin SSOP Tube
File Size283KB,24 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC1598LIG#PBF Overview

8-Channel Single ADC SAR 10.5ksps 12-bit Serial 24-Pin SSOP Tube

LTC1598LIG#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Converter TypeTemperature Measurement
ArchitectureSAR
Resolution12bit
Number of ADCs1
Number of Input Channels8
Sampling Rate10.5ksps
Digital Interface TypeSerial (3-Wire, 4-Wire, SPI, QSPI, Microwire)
Input TypeVoltage
Input Signal TypeSingle-Ended
Voltage ReferenceExternal
Polarity of Input VoltageUnipolar
Voltage Supply SourceSingle
Input Voltage3V
Minimum Single Supply Voltage (V)2.7
Typical Single Supply Voltage (V)3
Maximum Single Supply Voltage (V)3.6
Maximum Power Dissipation (mW)500
Integral Nonlinearity Error±3LSB
Full Scale Error±8LSB
No Missing Codes (bit)12
Sample and HoldYes
Single-Ended InputYes
Digital Supply SupportNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
PackagingTube
Supplier Temperature GradeIndustrial
Pin Count24
Standard Package NameSOP
Supplier PackageSSOP
MountingSurface Mount
Package Height2(Max) - 0.05(Min)
Package Length8.5(Max)
Package Width5.6(Max)
PCB changed24
Lead ShapeGull-wing
LTC1594L/LTC1598L
4- and 8-Channel,
3V Micropower Sampling
12-Bit Serial I/O A/D Converters
FEATURES
s
s
s
s
s
DESCRIPTIO
s
s
s
s
s
s
12-Bit Resolution on 3V Supply
Low Supply Current: 160µA Typ
Auto Shutdown to 1nA
Guaranteed
±3/4LSB
Max DNL
Guaranteed 2.7V Operation
(5V Versions Available: LTC1594/LTC1598)
Multiplexer: 4-Channel MUX (LTC1594L)
8-Channel MUX (LTC1598L)
Separate MUX Output and ADC Input Pins
MUX and ADC May Be Controlled Separately
Sampling Rate: 10.5ksps
I/O Compatible with QSPI, SPI and MICROWIRE
TM
, etc.
Small Package: 16-Pin Narrow SO (LTC1594L)
24-Pin SSOP (LTC1598L)
The LTC
®
1594L/LTC1598L are 3V micropower, 12-bit
sampling A/D converters that feature 4- and 8-channel
multiplexers, respectively. They typically draw only 160µA
of supply current when converting and automatically
power down to a typical supply current of 1nA between
conversions. The LTC1594L is available in a 16-pin SO
package and the LTC1598L is packaged in a 24-pin
SSOP. Both operate on a 3V 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.
, LTC and LT are registered trademarks of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
APPLICATIO S
s
s
s
s
s
s
Pen Screen Digitizing
Battery-Operated Systems
Remote Data Acquisition
Isolated Data Acquisition
Battery Monitoring
Temperature Measurement
TYPICAL APPLICATION
12µW, 8-Channel, 12-Bit ADC Samples at 200Hz and Runs Off a 3V Supply
OPTIONAL
ADC FILTER
1k
1µF
18
MUXOUT
20
21
22
ANALOG
INPUTS
0V TO 3V
RANGE
23
24
1
2
3
8
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
8-CHANNEL
MUX
12-BIT
SAMPLING
ADC
CSADC
CSMUX
10
6
5, 14
7
11
12
13
1
0.1
1594L/98L TA01
3V
17
ADCIN
16
15, 19
V
REF
V
CC
1µF
SERIAL DATA LINK
MICROWIRE AND
SPI COMPATABLE
SUPPLY CURRENT (µA)
+
CLK
D
IN
D
OUT
MPU
LTC1598L
GND
4, 9
NC
NC
U
Supply Current vs Sample Rate
1000
T
A
= 25°C
V
CC
= 2.7V
V
REF
= 2.5V
f
CLK
= 200kHz
100
10
1
10
SAMPLE FREQUENCY (kHz)
100
1594L/98L TA02
U
U
15948lfb
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