参数资料
型号: MAX1400EAI+T
厂商: Maxim Integrated Products
文件页数: 23/34页
文件大小: 0K
描述: IC ADC 18BIT LP 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
位数: 18
采样率(每秒): 480
数据接口: QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 1.25mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 带卷 (TR)
输入数目和类型: 3 个差分,单极;3 个差分,双极;5 个伪差分,单极;5 个伪差分,双极
Normal Mode 60Hz Rejection
NMR
100
dB
For filter notch 60Hz, ±0.02
fNOTCH,
MAX1400
+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)
-2.5
+2.5
For filter notch 50Hz, ±0.02
fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz (Note 8)
DAC code = 0000 (Note 7)
For filter notch 50Hz, ±0.02
fNOTCH,
MF1 = 0, MF0 = 0, fCLKIN = 2.4576MHz
(Note 8)
150
dB
100
NMR
Normal Mode 50Hz Rejection
At DC
VRMS
0
Additional Noise from Offset
DAC
90
REFIN and AIN for BUFF = 0 (Note 9)
V
VAGND
V+
Common-Mode Voltage Range
BUFF = 1
BUFF = 1 (Note 10)
10
AIN Input Current
nA
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
(Note 8)
dB
100
NMR
Normal Mode 60Hz Rejection
REFIN and AIN for BUFF = 0
V
VAGND
V+
- 30mV
+ 30mV
Absolute Voltage Range Input
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
%FSR
0
Offset DAC Zero-Scale Error
Input referred
%FSR
-3.5
+3.5
Offset DAC Full-Scale Error
Gain = 1, 2, 4, 8, 16, 32, 64
Gain = 128
OFFSET DAC
ANALOG INPUTS/REFERENCE INPUTS (Specifications for AIN and REFIN, unless otherwise noted.)
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