參數(shù)資料
型號： MAX1403EAI+T
廠商： Maxim Integrated Products
文件頁數(shù)： 23/36頁
文件大?。?/td> 0K
描述： IC ADC 18BIT LP 28-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)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(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 21.45mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)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
MAX1403
+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +2.7V to +3.6V, VDD = +2.7V to +3.6V, VREFIN+ = +1.25V, REFIN- = AGND, fCLKIN = 2.4576MHz, TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25°C.)
BUFF = 0
BUFF = 1
Bipolar mode
REFIN and AIN for
BUFF = 0
BUFF = 1
Unipolar mode
REFIN and AIN for BUFF = 0
For filter notch 60Hz, ±0.02 fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz
For filter notch 50Hz, ±0.02 fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz
At DC
For filter notch 60Hz, ±0.02 fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz (Note 9)
DAC code = 0000
Unipolar mode
Bipolar mode
For filter notch 50Hz, ±0.02 fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz (Note 9)
CONDITIONS
pF
34
AIN Input Capacitance
(Notes 12)
nA
10
AIN Input Current (Note 11)
nA
10
pA
40
DC Input Leakage Current
(Note 11)
V
VAGND
V+
+ 200mV
- 1.5
Absolute and Common-Mode
AIN Voltage Range
V
VAGND
V+
- 30mV
+ 30mV
Absolute Input Voltage Range
V
VAGND
V+
Common-Mode Voltage Range
(Note 10)
dB
100
NMR
Normal Mode 60Hz Rejection
(Note 9)
dB
100
NMR
Normal Mode 50Hz Rejection
(Note 9)
150
-58.35
58.35
%FSR
-116.7
116.7
Offset DAC Range (Note 7)
dB
90
CMR
Common-Mode Rejection
VRMS
0
Additional Noise from Offset
DAC (Note 8)
%FSR
16.7
Offset DAC Resolution
8.35
-2.5
+2.5
%FSR
0
Offset DAC Zero-Scale Error
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
TA = +25°C
TA = TMIN to TMAX
38
45
60
BUFF = 1, all gains
30
Unipolar input range (U/B bit = 1)
V
0 to VREF / gain
AIN Differential Voltage Range
(Note 13)
Bipolar input range (U/B bit = 0)
±VREF / gain
Gain = 1
Gain = 2
Gain = 4
Gain = 8, 16, 32, 64, 128
Input referred
%FSR
-3.5
+3.5
Offset DAC Full-Scale Error
OFFSET DAC
ANALOG INPUTS/REFERENCE INPUTS (Specifications for AIN and REFIN, unless otherwise noted.)
Gain = 1, 2, 4, 8, 16, 32, 64
Gain = 128
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