參數(shù)資料
型號(hào): MAX1288ETA+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 15/15頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT 150KSPS 8-TDFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
采樣率(每秒): 150k
數(shù)據(jù)接口: MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
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: 8-WDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 8-TDFN-EP(3x3)
包裝: 標(biāo)準(zhǔn)包裝
輸入數(shù)目和類型: 2 個(gè)單端,單極;2 個(gè)單端,雙極;1 個(gè)差分,單極;1 個(gè)差分,雙極
產(chǎn)品目錄頁(yè)面: 1396 (CN2011-ZH PDF)
其它名稱: MAX1288ETA+TDKR
MAX1286–MAX1289
150ksps, 12-Bit, 2-Channel Single-Ended, and
1-Channel True-Differential ADCs
_______________________________________________________________________________________
9
Analog Input Protection
Internal protection diodes that clamp the analog input to
VDD and GND allow the analog input pins to swing from
GND - 0.3V to VDD + 0.3V without damage. Both inputs
must not exceed VDD by more than 50mV or be lower
than GND by more than 50mV for accurate conversions.
If an off-channel analog input voltage exceeds the
supplies, limit the input current to 2mA.
Internal Clock
The MAX1286–MAX1289 operate from an internal oscilla-
tor, which is accurate within 10% of the 4MHz specified
clock rate. This results in a worst-case conversion time of
3.7s. The internal clock releases the system micro-
processor from running the SAR conversion clock and
allows the conversion results to be read back at the
processor’s convenience, at any clock rate from 0 to
8MHz.
CNVST
SCLK
DOUT
tACQ
tCONV
SAMPLING INSTANT
4
18
12
B11
MSB
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
LSB
HIGH-Z
CNVST
SCLK
DOUT
tACQ
tCONV
SAMPLING INSTANT
4
18
12
B11
MSB
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
LSB
HIGH-Z
Figure 5b. Single Conversion AIN2 vs. GND (MAX1286/MAX1287), Bipolar Mode AIN+ vs. AIN- (MAX1288/MAX1289)
Figure 5a. Single Conversion AIN1 vs. GND (MAX1286/MAX1287), Unipolar Mode AIN+ vs. AIN- (MAX1288/MAX1289)
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