參數(shù)資料
型號(hào)： MAX1221BETX+T
廠商： Maxim Integrated Products
文件頁數(shù)： 9/44頁
文件大小： 0K
描述： IC ADC/DAC 12BIT W/FIFO 36TQFNEP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
類型： ADC，DAC
分辨率（位）： 12 b
采樣率（每秒）： 225k
數(shù)據(jù)接口： MICROWIRE?，QSPI?，串行，SPI?
電壓電源： 模擬和數(shù)字
電源電壓： 2.7 V ~ 5.25 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 36-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 36-TQFN 裸露焊盤（6x6）
包裝： 帶卷 (TR)
MAX1221/MAX1223/MAX1343
12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
______________________________________________________________________________________
17
Pin Description (continued)
PIN
MAX1221
MAX1223
MAX1343
NAME
FUNCTION
—
23, 25,
27–31,
33, 34, 35
—
AIN0–AIN9
Analog Inputs
26
REF1
Reference 1 Input. Reference voltage; leave unconnected to use the
internal reference (2.5V). REF1 is the positive reference in ADC differential
mode. Bypass REF1 to AGND with a 0.1F capacitor in external reference
mode only. See the ADC/DAC References section.
27–31, 34
—
27–31, 34
AIN0–AIN5
Analog Inputs
35
—
35
REF2/AIN6
Reference 2 Input/Analog Input Channel 6. See Table 5 for details on
programming the setup register.
36
—
36
CNVST/AIN7
Active-Low Conversion-Start Input/Analog Input 7. See Table 5 for details
on programming the setup register.
—
36
—
REF2/AIN10
Reference 2 Input/Analog Input Channel 10. See Table 5 for details on
programming the setup register.
——
—
EP
Exposed Pad. Must be externally connected to AGND. Do not use as a
ground connect.
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