參數(shù)資料
型號(hào)： LTC1407ACMSE#TR
廠商： Linear Technology
文件頁數(shù)： 1/24頁
文件大?。?/td> 0K
描述： IC ADC 14BIT 3MSPS SAMPLE 10MSOP
標(biāo)準(zhǔn)包裝： 2,500
位數(shù)： 14
采樣率（每秒）： 3M
數(shù)據(jù)接口： 串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 14mW
電壓電源： 單電源
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤
供應(yīng)商設(shè)備封裝： 10-MSOP 裸露焊盤
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 4 個(gè)單端，單極；2 個(gè)差分，單極
配用： DC1082A-B-ND - BOARD SAR ADC LTC1407A
DC1082A-A-ND - BOARD SAR ADC LTC1407A-1
LTC1407/LTC1407A
1
1407fb
BLOCK DIAGRAM
DESCRIPTION
Serial 12-Bit/14-Bit, 3Msps
Simultaneous Sampling
ADCs with Shutdown
The LTC1407/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 10μW.
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 eliminate
ground loops and common mode noise by measuring
signals differentially from the source.
The devices convert 0V to 2.5V unipolar inputs differentially.
The absolute voltage swing for CH0+, CH0–, CH1+ and
CH1– 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.
THD, 2nd and 3rd
vs Input Frequency
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.S. Patents including 6084440, 6522187.
FEATURES
APPLICATIONS
n 3Msps Sampling ADC with Two Simultaneous
Differential Inputs
n 1.5Msps Throughput per Channel
n Low Power Dissipation: 14mW (Typ)
n 3V Single Supply Operation
n 2.5V Internal Bandgap Reference with External
Overdrive
n 3-Wire Serial Interface
n Sleep (10μW) Shutdown Mode
n Nap (3mW) Shutdown Mode
n 80dB Common Mode Rejection at 100kHz
n 0V to 2.5V Unipolar Input Range
n Tiny 10-Lead MS Package
n Telecommunications
n Data Acquisition Systems
n Uninterrupted Power Supplies
n Multiphase Motor Control
n I and Q Demodulation
n Industrial Control
–
+
1
2
7
3
6
S AND H
–
+
4
5
S AND H
GND
11
EXPOSED PAD
VREF
10μF
CH0–
CH0+
CH1–
CH1+
3V
10μF
LTC1407A
8
10
9
THREE-
STATE
SERIAL
OUTPUT
PORT
MUX
2.5V
REFERENCE
TIMING
LOGIC
VDD
SDO
CONV
SCK
1407A BD
3Msps
14-BIT ADC
14-BIT
LA
TCH
14-BIT
LA
TCH
FREQUENCY (MHz)
0.1
–80
THD,
2nd,
3rd
(dB)
–74
–68
–62
–56
1
10
100
1407 G02
–86
–92
–98
–104
–50
–44
THD
3rd
2nd
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LTC1407AHMSE#PBF 制造商:Linear Technology 功能描述:A/D Converter IC
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