參數(shù)資料
型號(hào): LTC2410I
廠商: Linear Technology Corporation
英文描述: 20-Bit Universal Bus Driver With 3-State Outputs 56-SSOP -40 to 85
中文描述: 24位無(wú)與差分輸入和差分ADC的參考延遲
文件頁(yè)數(shù): 7/44頁(yè)
文件大?。?/td> 778K
代理商: LTC2410I
LTC2410
7
TEST CIRCUITS
APPLICATIU
CONVERTER OPERATION
W
U
U
FUU
W
Figure 1. LTC2410 State Transition Diagram
Converter Operation Cycle
The LTC2410 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 1). The 3-wire interface consists of serial data
output (SDO), serial clock (SCK) and chip select (CS).
Initially, the LTC2410 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
V
CC
IN
+
IN
SDO
SCK
REF
+
REF
CS
F
O
(INT/EXT)
2410 FD
+
+
1.69k
SDO
2410 TA04
Hi-Z TO V
OL
V
OH
TO V
V
OL
TO Hi-Z
C
LOAD
= 20pF
V
CC
1.69k
SDO
2410 TA03
Hi-Z TO V
OH
V
OL
TO V
V
OH
TO Hi-Z
C
LOAD
= 20pF
CONVERT
SLEEP
DATA OUTPUT
2410 F01
TRUE
FALSE CS = LOW
AND
SCK
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