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参数资料
| 型号： | MAX1082AEUE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/23页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 400KSPS 16-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 10 |
| 采样率（每秒）： | 400k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 533mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 4 个单端，单极；4 个单端，双极；2 个差分，单极；2 个差分，双极 |
MAX1082/MAX1083
300ksps/400ksps, Single-Supply, 4-Channel,
Serial 10-Bit ADCs with Internal Reference
19
Maxim Integrated
CLKR (TMS320 receive clock) as an active-high
input clock. CLKX and CLKR on the TMS320 are
connected to the MAX1082/MAX1083’s SCLK input.
2) The MAX1082/MAX1083’s CS pin is driven low by
the TMS320’s XF_ I/O port to enable data to be
clocked into the MAX1082/MAX1083’s DIN pin.
3) An 8-bit word (1XXXXX11) should be written to the
MAX1082/MAX1083 to initiate a conversion and
place the device into normal operating mode. See
Table 3 to select the proper XXXXX bit values for your
specific application.
4) The MAX1082/MAX1083’s SSTRB output is moni-
tored through the TMS320’s FSR input. A falling
edge on the SSTRB output indicates that the con-
version is in progress and data is ready to be
received from the device.
5) The TMS320 reads in 1 data bit on each of the next
16 rising edges of SCLK. These data bits represent
the 10 + 2-bit conversion result followed by 4 trailing
bits, which should be ignored.
6) Pull CS high to disable the MAX1082/MAX1083 until
the next conversion is initiated.
Definitions
Integral Nonlinearity
Integral nonlinearity (INL) is the deviation of the values
from a straight line on an actual transfer function. This
straight line can be a best-straight-line fit or a line
drawn between the endpoints of the transfer function,
once offset and gain errors have been nullified. The
static linearity parameters for the MAX1082/MAX1083
are measured using the best straight-line fit method.
Differential Nonlinearity
Differential nonlinearity (DNL) is the difference between
an actual step width and the ideal value of 1LSB. A
DNL error specification of less than 1LSB guarantees
no missing codes and a monotonic transfer function.
Aperture Width
Aperture width (tAW) is the time the T/H circuit requires
to disconnect the hold capacitor from the input circuit
(for instance, to turn off the sampling bridge, and put
the T/H unit in hold mode).
+3.3V
510k
24k
100k
0.047
F
12
REFADJ
MAX1082
MAX1083
Figure 12. MAX1082/MAX1083 Reference-Adjust Circuit
OUTPUT CODE
FULL-SCALE
TRANSITION
11 . . . 111
11 . . . 110
11 . . . 101
00 . . . 011
00 . . . 010
00 . . . 001
00 . . . 000
12
3
0
(COM)
FS
FS - 3/2LSB
FS = VREF + VCOM
ZS = VCOM
INPUT VOLTAGE (LSB)
1LSB =
VREF
1024
Figure 13. Unipolar Transfer Function, Full Scale (FS) = VREF
+ VCOM, Zero Scale (ZS) = VCOM
011 . . . 111
011 . . . 110
000 . . . 010
000 . . . 001
000 . . . 000
111 . . . 111
111 . . . 110
111 . . . 101
100 . . . 001
100 . . . 000
- FS
COM*
INPUT VOLTAGE (LSB)
OUTPUT CODE
ZS = VCOM
+FS - 1LSB
*VCOM
VREF / 2
+ VCOM
FS =
VREF
2
-FS =
+ VCOM
-VREF
2
1LSB =
VREF
1024
≤
Figure 14. Bipolar Transfer Function, Full Scale (FS) =
VREF / 2 + VCOM, Zero Scale (ZS) = VCOM
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1082AEUE-TW | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1082AEUE-W | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1082BCUE | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1082BCUE+ | 功能描述:模数转换器 - ADC 300/400ksps Sgl-Sply 4Ch Serial 10Bit RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1082BCUE+T | 功能描述:模数转换器 - ADC 300/400ksps Sgl-Sply 4Ch Serial 10Bit RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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