參數(shù)資料
型號: LTC1860L
廠商: Linear Technology Corporation
元件分類: ADC
英文描述: 12-/16-Bit, 8-Channel 200ksps ADCs
中文描述: 12-/16-Bit,8通道高達200ksps模數(shù)轉(zhuǎn)換器
文件頁數(shù): 7/16頁
文件大?。?/td> 314K
代理商: LTC1860L
LTC1863/LTC1867
7
18637f
PIU
CHO-CH7/COM (Pins 1-8):
Analog Input Pins. Analog
inputs must be free of noise with respect to GND. CH7/
COM can be either a separate channel or the common
minus input for the other channels.
REFCOMP (Pin 9):
Reference Buffer Output Pin. Bypass to
GND with 10
μ
F tantalum capacitor in parallel with 0.1
μ
F
ceramic capacitor (4.096V Nominal). To overdrive
REFCOMP, tie V
REF
to GND.
V
REF
(Pin 10):
2.5V Reference Output. This pin can also be
used as an external reference buffer input for improved
accuracy and drift. Bypass to GND with 2.2
μ
F tantalum
capacitor in parallel with 0.1
μ
F ceramic capacitor.
CS/CONV (Pin 11):
This input provides the dual function
of initiating conversions on the ADC and also frames the
serial data transfer.
SCK (Pin 12):
Shift Clock. This clock synchronizes the
serial data transfer.
SDO (Pin 13):
Digital Data Output. The A/D conversion
result is shifted out of this output. Straight binary format
for unipolar mode and two’s complement format for
bipolar mode.
SDI (Pin 14):
Digital Data Input Pin. The A/D configuration
word is shifted into this input.
GND (Pin 15):
Analog and Digital GND.
V
DD
(Pin 16):
Analog and Digital Power Supply. Bypass to
GND with 10
μ
F tantalum capacitor in parallel with 0.1
μ
F
ceramic capacitor.
TEST CIRCUITS
U
TYPICAL COU
U
U
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7/COM
V
DD
GND
SDI
SDO
SCK
CS/CONV
V
REF
REFCOMP
LTC1863/
LTC1867
+
+
DIGITAL
I/O
5V
4.096V
10
μ
F
2.2
μ
F
2.5V
±
2.048V
DIFFERENTIAL
INPUTS
4.096V
SINGLE-ENDED
INPUT
18637 TCD
3k
(A) Hi-Z TO VOH AND VOL TO VOH
C
L
3k
5V
DN
DN
(B) Hi-Z TO VOL AND VOH TO VOL
C
L
18637 TC01
3k
(A) VOH TO Hi-Z
C
L
3k
5V
DN
DN
(B) VOL TO Hi-Z
C
L
18637 TC02
Load Circuits for Access Timing
Load Circuits for Output Float Delay
相關PDF資料
PDF描述
LTC1861 12-/16-Bit, 8-Channel 200ksps ADCs
LTC1861L 12-/16-Bit, 8-Channel 200ksps ADCs
LTC1863 12-/16-Bit, 8-Channel 200ksps ADCs
LTC1863CGN 12-/16-Bit, 8-Channel 200ksps ADCs
LTC1863IGN 12-/16-Bit, 8-Channel 200ksps ADCs
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