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| 型号： | MAX11060GUU+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 25/35页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT DELTA SIGMA 38TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 16 |
| 采样率（每秒）： | 3.07M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 4 |
| 功率耗散（最大）： | 1.1W |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 106°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 38-TFSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 38-TSSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 8 个单端，双极；4 个差分，双极 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页当前第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页
MAX11040K/MAX11060
24-/16-Bit, 4-Channel, Simultaneous-Sampling,
Cascadable, Sigma-Delta ADCs
31
Maxim Integrated
DISCONTINUITY DUE TO SYNC EVENT
DRDYOUT
SYNC
MEASURE
tDRYOUT_TO_SYNC
AIN_
RECONSTRUCTED
DIGITAL OUTPUT
PAUSE FOR
tDRYOUT_TO_SYNC
NOTE: THE LATENCY IS NOT TO SCALE.
tDRYOUT_TO_SYNC
1
2
3
4
2
3
4
5
6
1
2
3
4
5
6
tS
Figure 19. Example of Discontinuity in Reconstructed Digital Output Due to SYNC Falling Edge with a Large DRDYOUT-to-SYNC Delay
Signal Distortion at
SYNC Falling Edges
Each SYNC falling edge causes a disruption in the digi-
tal filter timing proportional to the delay from the previ-
ous falling edge of DRDYOUT to the falling edge of
SYNC. Any analysis of the output data that assumes a
uniform sampling period sees an error proportional to
that delay, with a maximum value determined by the
maximum derivative of the analog input. Figure 19
shows the effect of this discontinuity at output sample 5.
Assuming a 60Hz ±2.2V sine wave, the maximum pos-
sible error on any given sample caused by a SYNC
falling edge is:
VERROR_MAX = 2.2V x 2π x 60Hz x tDRDYOUT_TO_SYNC
= 0.83μV/ns x tDRDYOUT_TO_SYNC
The delay from DRDYOUT to SYNC is quantized to
within one cycle of the 24.576MHz clock. SYNC pulses
that are asynchronous to DRDYOUT may cause large
errors. To eliminate this error, use a single clock source
for all devices and avoid disrupting the output data tim-
ing with SYNC pulses while making high-precision
measurements. Alternately, minimize the delay from
DRDYOUT to SYNC to minimize the error.
Example:
Assume fAIN_ = 60Hz, fS = 16ksps, and eight total
devices in the chain.
Device 1 has the longest tDRDYOUT_TO_SYNC delay,
therefore the worst-case SYNC error.
If device 1 has the fastest XIN clock in the chain, and
device 2 has the slowest XIN clock in the chain, and
they differ by 0.1%, device 1 completes its conversion
as much as 0.1% earlier than device 2. Hence, the
delay of device 2 is:
0.1% x (1/16kHz ) = 62.5ns
The signal then propagates down the chain at a time
delay of nominally 20ns for each device.
The total delay back to the SYNC falling edge after
going through six additional delays is:
tDELAY = 62.5ns + 6 x 20ns = 182.5ns
Maximum % Error = 2
π x fIN x tDRDYOUT_TO_SYNC x
100% = 2 x π x 60Hz x 182.5ns x 100% = 0.007%
The above error is relative to the signal level, not to the
full scale of the data converter.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX11068EVKIT | 功能描述:电源管理IC开发工具 Programmers, Development Systems Eval and Demo Boards and Kits - KIT SMART BATT MEASUREMENT 12CH RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX11068EVKIT+ | 功能描述:电源管理IC开发工具 Programmers, Development Systems Eval and Demo Boards and Kits - KIT SMART BATT MEASUREMENT 12CH RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX11068EVMINIQU+ | 功能描述:电池管理 Automotive Battery Sensor RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX11068GUU/V+ | 功能描述:电池管理 12Ch High-V Smart Bat Msr System RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX11068GUU/V+T | 功能描述:电池管理 12Ch High-V Smart Bat Msr System RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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