C
參數(shù)資料
型號(hào): LTC1867AIGN#TR
廠商: Linear Technology
文件頁(yè)數(shù): 14/16頁(yè)
文件大?。?/td> 0K
描述: IC ADC 16BIT 8CH 200KSPS 16SSOP
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 16
采樣率(每秒): 200k
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 9mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 8 個(gè)單端,單極;8 個(gè)單端,雙極;4 個(gè)差分,單極;4 個(gè)差分,雙極
配用: DC873A-ND - BOARD SAR ADC LTC1867L
DC806A-ND - BOARD SAR ADC LTC1867
LTC1863/LTC1867
7
18637fa
PIN FUNCTIONS
TYPICAL CONNECTION DIAGRAM
TEST CIRCUITS
3k
(A) Hi-Z TO VOH AND VOL TO VOH
CL
3k
5V
DN
(B) Hi-Z TO VOL AND VOH TO VOL
CL
18637 TC01
3k
(A) VOH TO Hi-Z
CL
3k
5V
DN
(B) VOL TO Hi-Z
CL
18637 TC02
Load Circuits for Access Timing
Load Circuits for Output Float Delay
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7/COM
VDD
GND
SDI
SDO
SCK
CS/CONV
VREF
REFCOMP
LTC1863/
LTC1867
+
DIGITAL
I/O
5V
4.096V
10μF
2.2μF
2.5V
±2.048V
DIFFERENTIAL
INPUTS
4.096V
SINGLE-ENDED
INPUT
18637 TCD
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 10μF tantalum capacitor in parallel with
0.1μF ceramic capacitor (4.096V Nominal). To overdrive
REFCOMP, tie VREF to GND.
VREF (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 2.2μF tantalum
capacitor in parallel with 0.1μF 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 conguration
word is shifted into this input.
GND (Pin 15): Analog and Digital GND.
VDD (Pin 16): Analog and Digital Power Supply. Bypass to
GND with 10μF tantalum capacitor in parallel with 0.1μF
ceramic capacitor.
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LTC1867CGN#PBF 制造商:Linear Technology 功能描述:IC ADC 16BIT 200KSPS SSOP-16 制造商:Linear Technology 功能描述:IC, ADC, 16BIT, 200KSPS, SSOP-16
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