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LTC1598IG Datasheet

  • LTC1598IG

  • 8-Channel, Micropower Sampling 12-Bit Serial I/O A/D Convert...

  • 138.59KB

  • 12頁

  • LINER

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Final Electrical Specifications
LTC1598
8-Channel, Micropower
Sampling 12-Bit Serial
I/O A/D Converter
FEATURES
s
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DESCRIPTION
August 1996
12-Bit Resolution
Auto Shutdown to 1nA
Low Supply Current: 320碌A(chǔ) Typ
Guaranteed
鹵3/4LSB
Max DNL
Single Supply 5V Operation
8-Channel Multiplexer
Separate MUX Output and ADC Input Pins
MUX and ADC May Be Controlled Separately
Sampling Rate: 16.8ksps
I/O Compatible with SPI, MICROWIRE
TM
, etc.
24-Pin SSOP Package
The LTC
廬
1598 is an 8-channel, 5V micropower, 12-bit
sampling A/D converter. It typically draws only 320碌A(chǔ)
of supply current when converting and automatically
powers down to typically 1nA between conversions. The
LTC1598 is available in a 24-pin SSOP package and
operates on a 5V supply. The 12-bit, switched-capacitor,
successive approximation ADC includes an 8-channel
MUX and 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.
APPLICATIONS
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Pen Screen Digitizing
Battery-Operated Systems
Remote Data Acquisition
Isolated Data Acquisition
Battery Monitoring
Temperature Measurement
TYPICAL APPLICATION
24碌W, 8-Channel, 12-Bit ADC Samples at 200Hz and Runs Off a 5V Supply
OPTIONAL
ADC FILTER
1k
1碌F
18
MUXOUT
20
21
22
ANALOG
INPUTS
0V TO 5V
RANGE
23
24
1
2
3
8
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
GND
4, 9
8-CHANNEL
MUX
12-BIT
SAMPLING
ADC
CS ADC
CS MUX
10
6
5, 14
7
11
12
13
MPU
17
ADCIN
16
15, 19
V
REF
V
CC
5V
SUPPLY CURRENT (碌A(chǔ))
1碌F
SERIAL DATA LINK
MICROWIRE AND
SPI COMPATABLE
+
CLK
D
IN
D
OUT
NC
NC
LTC1598 鈥?TA01
鈥?/div>
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.
U
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Supply Current vs Sample Rate
1000
T
A
= 25擄C
V
CC
= 5V
V
REF
= 5V
f
CLK
= 320kHz
100
10
1
0.1
1
10
SAMPLE FREQUENCY (kHz)
100
1598 TA02
1

LTC1598IG 產(chǎn)品屬性

  • LTC1594/98

  • 59

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器

  • -

  • 12

  • 16.8k

  • MICROWIRE?，QSPI?，串行，SPI?

  • 1

  • 480µW

  • 單電源

  • -40°C ~ 85°C

  • 表面貼裝

  • 24-SSOP（0.209"，5.30mm 寬）

  • 24-SSOP

  • 管件

  • 8 個單端，單極

LTC1598IG相關(guān)型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    Dual Micropower Comparator
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  • 英文版
    DUAL MICROPOWER COMPARATOR
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    Dual Micropower Comparator
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    BANG-BANG Controller
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    BANG-BANG Controller
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  • 英文版
    Window Comparator
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    Window Comparator
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    Window Comparator
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    2-Channel Differential Input 16-Bit No Latency DS ADC
    LINER
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    2-Channel Differential Input 24-Bit No Latency DS ADC
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  • 英文版
    2-Channel Differential Input 16-Bit No Latency DS ADC
    LINER [Lin...
  • 英文版
    Dual Precision Intrumentation Switched-Capacitor Building Bl...
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  • 英文版
    Switched Capacitor Voltage Converter
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  • 英文版
    Switched Capacitor Voltage Converter
    LINER [Lin...
  • 英文版
    Programmable Micropower Hex Translator/ Receiver/Driver
    LINER
  • 英文版
    Programmable Micropower Hex Translator/ Receiver/Driver
    LINER [Lin...
  • 英文版
    “Inductorless” 5V to + 5V Converter
    LINER
  • 英文版
    “Inductorless” 5V to + 5V Converter
    LINER [Lin...
  • 英文版
    Dual Micropower Chopper Stabilized Operational Amplifier wit...
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  • 英文版
    Dual Micropower Zero-Drift Operational Amplifier with Intern...
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