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參數(shù)資料
| 型號(hào)： | DC1500A-B |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 8/26頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | BOARD SAR ADC LTC2392-16 |
| 軟件下載： | QuikEval II System |
| 設(shè)計(jì)資源： | DC1500A Design File DC1500A Schematic |
| 標(biāo)準(zhǔn)包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 500k |
| 數(shù)據(jù)接口： | 串行，并聯(lián) |
| 輸入范圍： | ±4.096 V |
| 在以下條件下的電源（標(biāo)準(zhǔn)）： | 110mW @ 500kSPS |
| 工作溫度： | 0°C ~ 70°C |
| 已用 IC / 零件： | LTC2392-16 |
| 已供物品： | 板 |
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LTC2392-16
16
239216fa
applications inFormation
down. The data from that conversion can be read after PD
= low is applied. In this mode power consumption drops
to a typical value of 175W from 110mW. This mode can
be used if the LTC2392-16 is inactive for a long period of
timeandtheuserwantstominimizethepowerdissipation.
Recovery from Power Shutdown Mode
Once the PD pin is returned to a low level, ending the
power shutdown request, the internal circuitry will begin
to power up. If the internal reference is used, the 2.6kΩ
output impedance with the 1F bypass capacitor on the
REFIN/REFOUT pins will be the main time constant for
the power-on recovery time. If an external reference is
used, typically allow 5ms for recovery before initiating a
new conversion.
Power Dissipation vs Sampling Frequency
The power dissipation of the LTC2392-16 will decrease
as the sampling frequency is reduced when nap mode is
activated. See Figure 7. In nap mode, a portion of the cir-
cuitry on the LTC2392-16 is turned off after a conversion
has been completed. Increasing the time allowed between
conversions lowers the average power.
TIMING AND CONTROL
The LTC2392-16 conversion is controlled by CNVST. A
falling edge on CNVST will start a conversion. CS and RD
control the digital interface on the LTC2392-16. When
either CS or RD is high, the digital outputs are high
impedance.
CNVST Timing
The LTC2392-16 conversion is controlled by CNVST. A
falling edge on CNVST will start a conversion. Once a
conversion has been initiated, it cannot be restarted until
the conversion is complete. For optimum performance
CNVST should be a clean low jitter signal. Converter status
is indicated by the BUSY output which remains high while
the conversion is in progress. To ensure no errors occur
in the digitized results return the rising edge either within
40ns from the start of the conversion or wait until after
the conversion has been completed. The CNVST timing
needed to take advantage of the reduced power mode of
operation is described in the Nap Mode section.
Internal Conversion Clock
The LTC2392-16 has an internal clock that is trimmed
to achieve a maximum conversion time of 1300ns. No
external adjustments are required and with a maximum
acquisition time of 685ns, a throughput performance of
500ksps is guaranteed.
DIGITAL INTERFACE
The LTC2392-16 allows both parallel and serial digital
interfaces.TheflexibleOVPsupplyallowstheLTC2392-16
to communicate with any digital logic operating between
1.8V and 5V, including 2.5V and 3.3V systems.
Figure 7. Power Dissipation of the LTC2392-16
Decreases with Decreasing Sampling Frequency
SAMPLING FREQUENCY (kHz)
10
POWER
SUPPL
YCURRENT
(mA)
20
30
5
15
25
0.1
10
100
1000
239216 G15
0
1
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相關(guān)代理商/技術(shù)參數(shù) |
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| DC1500A-C | 功能描述:BOARD SAR ADC LTC2391-16 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| DC1500B2 PK2 | 制造商:Duracell 功能描述:Battery, Rechargeable, Nickel Metal Hydride, AA cell, 2 pk, 1.2 V |
| DC1500B4 PK4 | 制造商:Duracell 功能描述:Battery, Rechargeable, Nickel Metal Hydride, AA cell, 4 PK, 1.2 V |
| DC1500B4N | 制造商:Duracell 功能描述:BATTERY, RECHARGEABLE, NIMH, 2.45AH; Battery Size Code:AA; Battery Capacity:2.45Ah; Battery Voltage:1.2V; Battery Technology:Nickel Metal Hydride; External Diameter:14.5mm; External Height:49.5mm; Weight:28g; Battery NEDA Code:1.2H1 |
| DC1500B4N005 | 制造商:Duracell 功能描述:AA NiMH Rechargeable Batteries - 4 pack |
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