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參數(shù)資料
| 型號： | MAX11060GUU+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 25/35頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 16BIT DELTA SIGMA 38TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 3.07M |
| 數(shù)據(jù)接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 4 |
| 功率耗散（最大）： | 1.1W |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 106°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 38-TFSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 38-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 8 個單端，雙極；4 個差分，雙極 |
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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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| MAX11068EVKIT | 功能描述:電源管理IC開發(fā)工具 Programmers, Development Systems Eval and Demo Boards and Kits - KIT SMART BATT MEASUREMENT 12CH RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX11068EVKIT+ | 功能描述:電源管理IC開發(fā)工具 Programmers, Development Systems Eval and Demo Boards and Kits - KIT SMART BATT MEASUREMENT 12CH RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX11068EVMINIQU+ | 功能描述:電池管理 Automotive Battery Sensor RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX11068GUU/V+ | 功能描述:電池管理 12Ch High-V Smart Bat Msr System RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX11068GUU/V+T | 功能描述:電池管理 12Ch High-V Smart Bat Msr System RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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