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LTC1865AIS8 Datasheet

  • LTC1865AIS8

  • Analog to Digital Converter

  • 20頁(yè)

  • ETC

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LTC1864/LTC1865
碌Power,
16-Bit, 250ksps
1- and 2-Channel ADCs in MSOP
FEATURES
s
s
s
s
DESCRIPTIO
s
s
s
s
s
16-Bit 250ksps ADCs in MSOP Package
Single 5V Supply
Low Supply Current: 850碌A(chǔ) (Typ)
Auto Shutdown Reduces Supply Current
to 2碌A(chǔ) at 1ksps
True Differential Inputs
1-Channel (LTC1864) or 2-Channel (LTC1865)
Versions
SPI/MICROWIRE
TM
Compatible Serial I/O
16-Bit Upgrade to 12-Bit LTC1286/LTC1298
Pin Compatible with 12-Bit LTC1860/LTC1861
The LTC
廬
1864/LTC1865 are 16-bit A/D converters that are
offered in MSOP and SO-8 packages and operate on a
single 5V supply. At 250ksps, the supply current is only
850碌A(chǔ). The supply current drops at lower speeds because
the LTC1864/LTC1865 automatically power down
between conversions. These 16-bit switched capacitor
successive approximation ADCs include sample-and-holds.
The LTC1864 has a differential analog input with an
adjustable reference pin. The LTC1865 offers a software-
selectable 2-channel MUX and an adjustable reference pin
on the MSOP version.
The 3-wire, serial I/O, small MSOP or SO-8 package and
extremely high sample rate-to-power ratio make these
ADCs ideal choices for compact, low power, high speed
systems.
These ADCs can be used in ratiometric applications or
with external references. The high impedance analog
inputs and the ability to operate with reduced spans down
to 1V full scale, allow direct connection to signal sources
in many applications, eliminating the need for external
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
High Speed Data Acquisition
Portable or Compact Instrumentation
Low Power Battery-Operated Instrumentation
Isolated and/or Remote Data Acquisition
TYPICAL APPLICATIO
Supply Current vs Sampling Frequency
Single 5V Supply, 250ksps, 16-Bit Sampling ADC
SUPPLY CURRENT (碌A(chǔ))
1000
1碌F
5V
100
10
LTC1864
1
2
ANALOG INPUT
0V TO 5V
3
4
V
REF
IN
+
IN
鈥?/div>
GND
V
CC
SCK
SDO
CONV
8
7
6
5
1864 TA01
1
SERIAL DATA LINK TO
ASIC, PLD, MPU, DSP
OR SHIFT REGISTERS
0.1
0.01
0.01
U
0.1
10
100
1
SAMPLING FREQUENCY (kHz)
1000
1864 TA02
U
U
18645f
1

LTC1865AIS8 產(chǎn)品屬性

  • LTC1864/65

  • 100

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器

  • -

  • 16

  • 250k

  • MICROWIRE?，串行，SPI?

  • 1

  • 400mW

  • 單電源

  • -40°C ~ 85°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOIC

  • 管件

  • 2 個(gè)單端，單極；1 個(gè)差分，單極

LTC1865AIS8相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    Dual Micropower Comparator
    LINER
  • 英文版
    DUAL MICROPOWER COMPARATOR
    LINER [Lin...
  • 英文版
    Dual Micropower Comparator
    LINER [Lin...
  • 英文版
    BANG-BANG Controller
    LINER
  • 英文版
    BANG-BANG Controller
    LINER [Lin...
  • 英文版
    Window Comparator
    LINER
  • 英文版
    Window Comparator
    LINER [Lin...
  • 英文版
    Window Comparator
    LINER [Lin...
  • 英文版
    2-Channel Differential Input 16-Bit No Latency DS ADC
    LINER
  • 英文版
    2-Channel Differential Input 24-Bit No Latency DS ADC
    LINER [Lin...
  • 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...
    LINER [Lin...
  • 英文版
    Switched Capacitor Voltage Converter
    LINER
  • 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...
    LINER
  • 英文版
    Dual Micropower Zero-Drift Operational Amplifier with Intern...
    LINER [Lin...

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