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LTC1407IMSE Datasheet

  • LTC1407IMSE

  • Serial 12-Bit/14-Bit, 3Msps Simultaneous Sampling Simultaneo...

  • 24頁

  • LINER

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LTC1407/LTC1407A
Serial 12-Bit/14-Bit, 3Msps
Simultaneous Sampling
ADCs with Shutdown
FEATURES
s
s
s
s
s
DESCRIPTIO
s
s
s
s
s
s
3Msps Sampling ADC with Two Simultaneous
Differential Inputs
1.5Msps Throughput per Channel
Low Power Dissipation: 14mW (Typ)
3V Single Supply Operation
2.5V Internal Bandgap Reference with External
Overdrive
3-Wire Serial Interface
Sleep (10碌W) Shutdown Mode
Nap (3mW) Shutdown Mode
80dB Common Mode Rejection at 100kHz
0V to 2.5V Unipolar Input Range
Tiny 10-Lead MS Package
The LTC
1407/LTC1407A are 12-bit/14-bit, 3Msps ADCs
with two 1.5Msps simultaneously sampled differential
inputs. The devices draw only 4.7mA from a single 3V
supply and come in a tiny 10-lead MS package. A Sleep
shutdown feature lowers power consumption to 10碌W.
The combination of speed, low power and tiny package
makes the LTC1407/LTC1407A suitable for high speed,
portable applications.
The LTC1407/LTC1407A contain two separate differential
inputs that are sampled simultaneously on the rising edge
of the CONV signal. These two sampled inputs are then
converted at a rate of 1.5Msps per channel.
The 80dB common mode rejection allows users to elimi-
nate ground loops and common mode noise by measuring
signals differentially from the source.
The devices convert 0V to 2.5V unipolar inputs differen-
tially. The absolute voltage swing for CH0
+
, CH0
鈥?/div>
, CH1
+
and CH1
鈥?/div>
extends from ground to the supply voltage.
The serial interface sends out the two conversion results in
32 clocks for compatibility with standard serial interfaces.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
s
s
Telecommunications
Data Acquisition Systems
Uninterrupted Power Supplies
Multiphase Motor Control
I & Q Demodulation
Industrial Control
BLOCK DIAGRA
CH0
+
1
10碌F
3V
7
V
DD
14-BIT LATCH
LTC1407A
+
S&H
CH0
鈥?/div>
2
MUX
CH1
+
4
14-BIT LATCH
3Msps
14-BIT ADC
8
SDO
THD, 2nd, 3rd (dB)
鈥?/div>
+
S&H
THREE-
STATE
SERIAL
OUTPUT
PORT
CH1
鈥?/div>
5
鈥?/div>
V
REF
GND
2.5V
REFERENCE
10
TIMING
LOGIC
9
CONV
3
10碌F
6
11
SCK
EXPOSED PAD
1407A BD
U
THD, 2nd and 3rd
vs Input Frequency
鈥?4
鈥?0
鈥?6
鈥?2
鈥?8
鈥?4
鈥?0
鈥?6
鈥?2
鈥?8
鈥?04
0.1
1
10
FREQUENCY (MHz)
100
1407 G02
W
U
THD
2nd
3rd
1407f
1

LTC1407IMSE 產(chǎn)品屬性

  • LTC1407/A

  • 50

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器

  • -

  • 12

  • 3M

  • 串行,SPI?

  • 1

  • 14mW

  • 單電源

  • -40°C ~ 85°C

  • 表面貼裝

  • 10-TFSOP,10-MSOP(0.118",3.00mm 寬)裸露焊盤

  • 10-MSOP 裸露焊盤

  • 管件

  • 4 個單端,單極;2 個差分,單極

  • DC1082A-B-ND - BOARD SAR ADC LTC1407ADC1082A-A-ND - BOARD SAR ADC LTC1407A-1

LTC1407IMSE相關(guān)型號PDF文件下載

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