參數(shù)資料
型號: MAX1348BETX+
廠商: Maxim Integrated Products
文件頁數(shù): 23/39頁
文件大?。?/td> 0K
描述: IC ADC/DAC 12BIT W/FIFO 36WQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 50
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: 4.75 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: 管件
MAX1340/MAX1342/MAX1346/MAX1348
12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = 4.75V to 5.25V, external reference VREF = 4.096V, fCLK = 3.6MHz (50% duty cycle), TA = -40°C to +85°C, unless
otherwise noted. Typical values are at AVDD = DVDD = 5V, TA = +25°C. Outputs are unloaded, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Acquisition Time
tACQ
(Note 5)
0.6
s
Internally clocked
5.5
Conversion Time
tCONV
Externally clocked
3.6
s
External-Clock Frequency
fCLK
Externally clocked conversion (Note 5)
0.1
3.6
MHz
Duty Cycle
40
60
%
Aperture Delay
30
ns
Aperture Jitter
< 50
ps
ANALOG INPUTS
Unipolar
0
VREF
Input-Voltage Range (Note 6)
Bipolar
-VREF/2
VREF/2
V
Input Leakage Current
±0.01
±1
A
Input Capacitance
24
pF
INTERNAL TEMPERATURE SENSOR
TA = +25°C
±0.7
Measurement Error (Notes 5, 7)
TA = TMIN to TMAX
±1.0
±3.0
°C
Temperature Resolution
1/8
°C/LSB
INTERNAL REFERENCE
REF1 Output Voltage
(Note 8)
4.066
4.096
4.126
V
REF1 Voltage Temperature
Coefficient
TCREF
±30
ppm/°C
REF1 Output Impedance
6.5
k
REF1 Short-Circuit Current
VREF = 4.096V
0.63
mA
EXTERNAL REFERENCE
REF1 Input-Voltage Range
VREF1
REF mode 11 (Note 4)
1
AVDD +
0.05
V
REF mode 01
1
AVDD +
0.05
REF2 Input-Voltage Range
(Note 4)
VREF2
REF mode 11
0
1
V
VREF = 4.096V, fSAMPLE = 225ksps
40
80
REF1 Input Current (Note 9)
IREF1
Acquisition between conversions
±0.01
±1
A
VREF = 4.096V, fSAMPLE = 225ksps
40
80
REF2 Input Current
IREF2
Acquisition between conversions
±0.01
±1
A
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