參數(shù)資料
型號(hào): LTC2480CDD
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): ADC
英文描述: 16-Bit ADC with Easy Drive
中文描述: 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO10
封裝: 3 X 3 MM, PLASTIC, MO-229WEED-2, DFN-10
文件頁(yè)數(shù): 12/40頁(yè)
文件大?。?/td> 535K
代理商: LTC2480CDD
12
LTC2480
2480f
CS
SDO
SCK
SDI
t
1
t
3
t
7
t
8
SLEEP
t
KQMAX
CONVERSION
DATA IN/OUT
t
KQMIN
t
2
2480 TD1
TW
U
W
Timing Diagram Using Internal SCK
APPLICATIU
CONVERTER OPERATION
W
U
U
Timing Diagram Using External SCK
CS
SDO
SCK
SDI
t
1
t
5
t
6
t
4
t
7
t
8
SLEEP
t
KQMAX
CONVERSION
DATA IN/OUT
t
KQMIN
t
2
2480 TD2
Converter Operation Cycle
The LTC2480 is a low power, delta-sigma analog-to-
digital converter with an easy to use 4-wire serial interface
and automatic differential input current cancellation. Its
operation is made up of three states. The converter oper-
ating cycle begins with the conversion, followed by the low
power sleep state and ends with the data output (see
Figure 1). The 4-wire interface consists of serial data
output (SDO), serial clock (SCK), chip select (CS) and
serial data input (SDI).
Initially, the LTC2480 performs a conversion. Once the
conversion is complete, the device enters the sleep state.
CONVERT
SLEEP
DATA OUTPUT
CONFIGURATION INPUT
2480 F01
TRUE
FALSE CS = LOW
AND
SCK
Figure 1. LTC2480 State Transition Diagram
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