參數(shù)資料
型號(hào): DC682A
廠商: Linear Technology
文件頁(yè)數(shù): 19/20頁(yè)
文件大?。?/td> 0K
描述: BOARD SAR ADC LTC1859
軟件下載: QuikEval System
設(shè)計(jì)資源: DC682A Design File
DC682A Schematic
標(biāo)準(zhǔn)包裝: 1
系列: QuikEval™, SoftSpan™
ADC 的數(shù)量: 1
位數(shù): 16
采樣率(每秒): 100k
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
工作溫度: 0°C ~ 70°C
已用 IC / 零件: LTC1859
已供物品:
相關(guān)產(chǎn)品: LTC1859CG#PBF-ND - IC ADC 8CH 16BIT 100KSPS 28-SSOP
LTC1859IG#PBF-ND - IC A/D CONV 8CH 16BIT 28-SSOP
LTC1859IG#TRPBF-ND - IC A/D CONV 8CH 16BIT 28-SSOP
LTC1859CG#TRPBF-ND - IC A/D CONV 8CH 16BIT 28-SSOP
LTC1857/LTC1858/LTC1859
8
185789fa
FUNCTIONAL BLOCK DIAGRAM
PIN FUNCTIONS
DGND (Pin 24): Digital Ground.
SDI (Pin 25): Serial Data Input.
SCK (Pin 26): Serial Data Clock.
RD (Pin 27): Read Input. This active low signal enables
the digital output pin SDO.
CONVST (Pin 28): Conversion Start. This active high signal
starts a conversion on its rising edge.
TEST CIRCUITS
2.5V
REFERENCE
INTERNAL
CLOCK
1.6384X
4.096V
8k
AGND1
CONTROL
LOGIC
SERIAL I/O
INPUT MUX
AND
RANGE
SELECT
AGND3
AGND2
REFCOMP
VREF
ADC
MUXOUT+
MUXOUT
ADC+
DGND
AVDD
DVDD
MUX ADDRESS AND RANGE
DATA OUT
CONVST
SDI
BUSY
SCK
RD
OVDD
SDO
1859 BD
12-/14-/16-BIT
SAMPLING ADC
+
COM
CH7
CH1
CH0
1k
(A) Hi-Z TO VOH AND VOL TO VOH
25pF
1k
5V
DN
(B) Hi-Z TO VOL AND VOH TO VOL
25pF
1859 TC01
1k
(A) VOH TO Hi-Z
25pF
1k
5V
DN
(B) VOL TO Hi-Z
25pF
1859 TC02
Load Circuits for Access Timing
Load Circuits for Output Float Delay
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