參數(shù)資料
型號: LTC2413CGN#PBF
廠商: Linear Technology
文件頁數(shù): 3/44頁
文件大?。?/td> 0K
描述: IC A/D CONV 24BIT MICRPWR 16SSOP
標(biāo)準(zhǔn)包裝: 100
位數(shù): 24
采樣率(每秒): 6.8
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 1mW
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: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 管件
輸入數(shù)目和類型: 1 個差分,雙極
產(chǎn)品目錄頁面: 1347 (CN2011-ZH PDF)
LTC2413
11
sn2413 2413fs
TEST CIRCUITS
APPLICATIO S I FOR ATIO
WU
U
FU CTIO AL BLOCK DIAGRA
UU
W
Figure 2. LTC2413 State Transition Diagram
CONVERTER OPERATION
Converter Operation Cycle
The LTC2413 is a low power, delta-sigma analog-to-
digital converter with an easy to use 3-wire serial interface.
Its operation is made up of three states. The converter
operating cycle begins with the conversion, followed by
the low power sleep state and ends with the data output
(see Figure 2). The 3-wire interface consists of serial data
output (SDO), serial clock (SCK) and chip select (CS).
Initially, the LTC2413 performs a conversion. Once the
conversion is complete, the device enters the sleep state.
While in this sleep state, power consumption is reduced by
an order of magnitude. The part remains in the sleep state
as long as CS is HIGH. The conversion result is held
indefinitely in a static shift register while the converter is
in the sleep state.
AUTOCALIBRATION
AND CONTROL
DAC
DECIMATING FIR
INTERNAL
OSCILLATOR
SERIAL
INTERFACE
ADC
GND
VCC
IN+
IN
SDO
SCK
REF+
REF
CS
FO
(INT/EXT)
2413 FD
–+
+
1.69k
SDO
2413 TA04
Hi-Z TO VOL
VOH TO VOL
VOL TO Hi-Z
CLOAD = 20pF
VCC
1.69k
SDO
2413 TA03
Hi-Z TO VOH
VOL TO VOH
VOH TO Hi-Z
CLOAD = 20pF
CONVERT
SLEEP
DATA OUTPUT
2413 F02
TRUE
FALSE
CS = LOW
AND
SCK
Figure 1. Functional Block Diagram
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