参数资料
型号: MAX1403CAI+T
厂商: Maxim Integrated Products
文件页数: 14/36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): 21.45mW
电压电源: 模拟和数字
工作温度: 0°C ~ 70°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
MAX1403
+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
______________________________________________________________________________________
21
Data Register (Read-Only)
The data register is a 24-bit, read-only register. Any
attempt to write data to this location will have no effect.
If a write operation is attempted, 8 bits of data must be
clocked into the part before it will return to its normal
idle mode, expecting a write to the communications
register.
Data is output MSB first, followed by one reserved 0 bit,
two auxiliary data bits, and a 3-bit channel ID tag indi-
cating the channel from which the data originated.
D17–D0: The conversion result. D17 is the MSB. The
result is in offset binary format. 00 0000 0000 0000
0000 represents the minimum value, and 11 1111 1111
1111 1111 represents the maximum value. Inputs
exceeding the available input range are limited to the
corresponding minimum or maximum output values.
0: This reserved bit will always be 0.
First Bit (Data MSB)
Data Register (Read-Only) Bits
D17
D13
D16
D15
D14
D10
DATA BITS
D12
D11
D9
D5
D8
D7
D6
D2
DATA BITS
D4
D3
AUXILIARY DATA
CHANNEL ID TAG
D1
DS0
D0
‘0’
DS1
CID0
DATA BITS
CID2
CID1
RESERVED
(Data LSB)
(LSB)
Table 10. Transfer-Function Register Mapping—Gain-Calibration Mode (M1 = 1, M0 = 0)
0
DIFF
0
A1
0
1
0
1
0
1
2
0
2
1
0
1
0
X
1
0
X
0
X
2
1
2
1
0
1
0
1
0
2
SCAN
0
1
TRANSFER-
FUNCTION REGISTER
1
X
1
X
3
1
0
X
0
X
3
1
0
X
1
X
1
3
1
0
A0
1
0
1
X
0
1
0
3
X
CALGAIN+–CALGAIN-
AIN2–AIN6
AIN4–AIN6
AIN3–AIN6
CALGAIN+–CALGAIN-
CHANNEL
1
CALGAIN+–CALGAIN-
CALOFF+–CALOFF-
AIN1–AIN2
CALGAIN+–CALGAIN-
AIN5–AIN6
1
X
1
X
3
1
3
2
1
X
AIN5–AIN6
CALGAIN+–CALGAIN-
CALOFF+–CALOFF-
AIN3–AIN4
0
X
1
X
AIN1–AIN6
1
Do Not Use
X = Don’t care
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