參數(shù)資料
型號(hào): LTC1290DMJ#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP20
封裝: 0.300 INCH, LEAD FREE, HERMETIC SEALED, CERAMIC, DIP-20
文件頁數(shù): 31/32頁
文件大小: 613K
代理商: LTC1290DMJ#PBF
8
LTC1290
1290fe
PI FU CTIO S
U
UU
DIN (Pin 17): Digital Data Input. The A/D configuration
word is shifted into this input after CS is recognized.
SCLK (Pin 18): Shift Clock. This clock synchronizes the
serial data transfer.
ACLK (Pin 19): A/D Conversion Clock. This clock controls
the A/D conversion process.
VCC (Pin 20): Positive Supply. This supply must be kept
free of noise and ripple by bypassing directly to the analog
ground plane.
BLOCK DIAGRAM
INPUT
SHIFT
REGISTER
SAMPLE-
AND-
HOLD
12-BIT
CAPACITIVE
DAC
VCC
20
ANALOG
INPUT MUX
1
2
3
4
5
6
7
8
9
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
DOUT
16
SCLK
18
CONTROL
AND
TIMING
15
CS
LTC1290 BD
17
REF+
14
DGND
10
AGND
11
V
12
REF
13
COMP
OUTPUT
SHIFT
REGISTER
DIN
19
ACLK
12-BIT
SAR
TEST CIRCUITS
5V
A
IOFF
ION
POLARITY
OFF
CHANNELS
ON CHANNEL
LTC1290 TC01
On and Off Channel Leakage Current
Load Circuit for tdis and ten
DOUT
3k
100pF
TEST POINT
5V WAVEFORM 2
WAVEFORM 1
LTC1290 TC02
相關(guān)PDF資料
PDF描述
LTC1290BIN#TR 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20
LTC1290BCN#TRPBF 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20
LTC1290BIJ#TR 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP20
LTC1290DCN#TR 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP20
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