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参数资料
| 型号： | MAX1154BEUE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 20/30页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT SYS MON 16TSSOP |
| 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）： | 94k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 15mW |
| 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： | 8 个单端，单极；4 个差分，单极；4 个差分，双极 |
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MAX1153/MAX1154
Stand-Alone, 10-Channel, 10-Bit System Monitors
with Internal Temperature Sensor and VDD Monitor
______________________________________________________________________________________
27
Transfer Function
Figure 10 shows the nominal transfer function for sin-
gle-ended or differential unipolar configured inputs,
Figure 11 illustrates the transfer function for differential
bipolar conversions, and Figure 12 shows temperature
conversions. Code transitions occur halfway between
successive-integer LSB values. Output coding is bina-
ry, with 1 LSB = 2.44mV (MAX1153) or 4mV (MAX1154)
for unipolar and bipolar operation, and 1 LSB = +0.5
°C
(MAX1153/MAX1154) for temperature measurements.
For unipolar operation, the 0 code level transition is at
[1/2(VREF / 1024)].
The FFF hex level transition is at [1022.5(VREF / 1024)].
1 LSB = VREF / 1024.
Layout, Grounding, and Bypassing
For best performance, use PC boards. Do not use wire-
wrap boards. Board layout should ensure that digital
and analog signal lines are separated from each other.
Do not run analog and digital (especially clock) signals
parallel to one another or run digital lines underneath
the MAX1153/MAX1154 package. High-frequency
noise in the VDD power supply can affect the
MAX1153/MAX1154 performance. Bypass the VDD sup-
ply with a 0.1F capacitor from VDD to GND close to
the VDD pin. Minimize capacitor lead lengths for best
supply-noise rejection. If the power supply is very
noisy, connect a 10
Ω resistor in series with the supply
to improve power-supply filtering.
Definitions
Integral Nonlinearity
Integral nonlinearity is the deviation of the values on the
actual transfer function from a straight line. This straight
line can be either a best-straight-line fit or a line drawn
between the end points of the transfer function, once off-
set and gain errors have been corrected. The static lineari-
ty parameters for the MAX1153/MAX1154 are measured
using the end-point-fit method. INL is specified as the
maximum deviation in LSBs.
Differential Nonlinearity (DNL)
Differential nonlinearity is the difference between an
actual step width and the ideal value of 1 LSB. A DNL
error specification of less than 1 LSB guarantees no
missing codes and a monotonic transfer function.
Offset Error
The offset error is the difference between the ideal and
the actual analog input value at the first transition of the
ADC, usually from digital code 0 to code 1 for straight
binary output. For the MAX1153/MAX1154, the transi-
tion between code 0 and code 1 should occur at an
input voltage of 1/2 LSB, or 1.22mV for the MAX1153
and 2mV for the MAX1154.
OUTPUT CODE
011....111
TEMPERATURE
°C
011....110
000....001
111....101
100....001
100....000
111....111
111....110
000....000
0
000....010
-256
°C
+255.5
°C
Figure 12. Temperature Transfer Function
OUTPUT CODE
011....111
INPUT VOLTAGE (LSB)
011....110
000....001
111....101
100....001
100....000
111....111
111....110
000....000
0
000....010
-FS
+FS - 1 LSB
FS =
ZS = 0
VREF
2
-FS =
-VREF
2
1 LSB =
VREF
1024
Figure 11. Bipolar Transfer Function, Full Scale (±FS) = ±VREF/2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1156 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range |
| MAX1156ACUP | 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 |
| MAX1156ACUP+ | 功能描述:模数转换器 - ADC 14-Bit 135ksps 4.2V Precision 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 |
| MAX1156ACUP+T | 功能描述:模数转换器 - ADC 14-Bit 135ksps 4.2V Precision 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 |
| MAX1156ACUP-T | 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 |
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