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參數(shù)資料
| 型號(hào)： | CS5371-BSZR |
| 廠商： | Cirrus Logic Inc |
| 文件頁(yè)數(shù)： | 7/22頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MODULATOR LP/HP 1CH 24-SSOP |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 調(diào)制器 |
| 分辨率（位）： | 24 b |
| 采樣率（每秒）： | 512k |
| 電壓電源： | 模擬和數(shù)字 |
| 電源電壓： | ±2.5V，3.3 V ~ 5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SSOP |
| 包裝： | 帶卷 (TR) |
| 配用： | 598-1778-ND - EVALUATION BOARD FOR CS5376 |
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CS5371 CS5372
DS255F3
15
9.3.
SCR Latch-up Considerations
The VA- pin is tied to the CS5371/72 substrate and
should always be connected to the most negative
supply voltage to ensure SCR latch-up does not
occur. In general, latch-up may occur when any
pin voltage (including the analog inputs) is 0.7V or
more below VA-, or 7.6V or more above VA-.
Analog inputs INR+/- and INF+/- should be voltage
limited to ensure signals don’t exceed the (VA-)-
0.7V or (VA+)+7.6V requirement. Either the inputs
should be clamped to the VA+ and VA- rails using
reversed biased Schottky diodes (BAT85 or simi-
lar), or the current into the analog inputs should be
limited to less than 10mA. By current limiting the
analog inputs, the internal ESD diodes on the ana-
log input pads will clamp the input signal to the
proper level. Input currents greater than 10mA will
overdrive the internal diodes, so external compo-
nents are required.
When using dual analog power supplies, it is rec-
ommended to connect the VA- power supply pin to
system ground (DGND) using a reversed biased
Schottky diode. This configuration clamps the VA-
voltage a maximum of 0.3V above ground to en-
sure SCR latch-up does not occur during power
up. If the VA+ power supply ramps before the VA-
supply, the VA- voltage could be pulled above
ground through the CS5371/72. If the VA- supply
is unintentionally pulled 0.7 V above the DGND
pin, SCR latch-up can occur.
9.4.
DC-DC Converter Considerations
Many measurement systems are battery powered
and utilize DC-DC converters to generate the nec-
essary supply voltages for the system. To mini-
mize the effects of interference, it is desirable to
operate the DC-DC converter at a frequency which
is rejected by the digital filter.
9.5.
Power Supply Rejection
Power supply rejection of the CS5371/72 modula-
tors is frequency dependent. The digital filter re-
jects power supply noise for frequencies above the
filter corner frequency at 130 dB or greater. For
frequencies between DC and the digital filter cor-
ner frequency, power supply rejection is nearly
constant at 90 dB.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS5372 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:LOW POWER HIGH PERFORMANCE MODULATORS |
| CS5372A | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Low-power, High-performance Modulators |
| CS5372A-IS | 功能描述:接口 - 專用 LP High Performance Delta Sigma Mod. RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| CS5372A-ISR | 功能描述:接口 - 專用 LP High Performance Delta Sigma Mod. RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| CS5372A-ISZ | 功能描述:接口 - 專用 IC LP Hgh Prfrmnc Delta Sigma Modultr RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
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