參數(shù)資料
型號: MAX1402CAI+T
廠商: Maxim Integrated Products
文件頁數(shù): 23/38頁
文件大?。?/td> 0K
描述: IC ADC 18BIT LP 28-SSOP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,000
位數(shù): 18
采樣率(每秒): 480
數(shù)據(jù)接口: QSPI?,串行,SPI?
轉換器數(shù)目: 1
功率耗散(最大): 34mW
電壓電源: 模擬和數(shù)字
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應商設備封裝: 28-SSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 3 個差分,單極;3 個差分,雙極;5 個偽差分,單極;5 個偽差分,雙極
MAX1402
+5V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +5V ±5%, VDD = +2.7V to +5.25V, VREFIN+ = +2.50V, REFIN- = AGND, fCLKIN = 2.4576MHz, TA = TMIN to TMAX, unless other-
wise noted. Typical values are at TA = +25°C.)
Unipolar mode
CONDITIONS
-116.7
116.7
Bipolar mode
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
%FSR
-58.35
58.35
Offset DAC Range (Note 6)
0
Offset DAC Zero-Scale Error
Gain = 1, 2, 4, 8, 16, 32, 64
BUFF = 1
10
-2.5
2.5
Gain = 128
AIN Input Current (Note 10)
nA
For filter notch 50Hz, ±0.02
fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz (Note 8)
DAC code = 0000
For filter notch 50Hz, ±0.02
fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz
150
dB
100
NMR
Normal-Mode 50Hz Rejection
(Note 8)
At DC
VRMS
0
Additional Noise from Offset
DAC (Note 7)
90
REFIN and AIN for BUFF = 0
V
VAGND
V+
Common-Mode Voltage Range
(Note 9)
BUFF = 1
Input referred
%FSR
-3.5
3.5
Offset DAC Full-Scale Error
V
VAGND
V+
+ 200mV
- 1.5
Absolute and Common-Mode
AIN Voltage Range
pA
40
DC Input Leakage Current
(Note 10)
Unipolar mode
16.7
Bipolar mode
%FSR
8.35
Offset DAC Resolution
For filter notch 60Hz, ±0.02
fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz (Note 8)
dB
150
CMR
Common-Mode Rejection
For filter notch 60Hz, ±0.02
fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz
dB
100
NMR
Normal-Mode 60Hz Rejection
(Note 8)
REFIN and AIN for BUFF = 0
V
VAGND
V+
- 30mV
+ 30mV
Absolute Input Voltage Range
REFIN and AIN for
BUFF = 0
TA = +25°C
TA = TMIN to TMAX
10
nA
34
38
45
BUFF = 0
60
BUFF = 1, all gains
30
AIN Input Capacitance
(Note 11)
pF
Bipolar input range (U/B bit = 0)
±VREF / gain
AIN Differential Voltage Range
(Note 12)
V
Gain = 1
Gain = 2
Gain = 4
Gain = 8, 16, 32, 64, 128
Unipolar input range (U/B bit = 1)
0 to VREF / gain
OFFSET DAC
ANALOG INPUTS/REFERENCE INPUTS (Specifications for AIN and REFIN, unless otherwise noted.)
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