參數(shù)資料
型號： DC1009A-A
廠商： Linear Technology
文件頁數(shù)： 11/36頁
文件大小： 0K
描述： BOARD DELTA SIGMA ADC LTC2492
軟件下載： QuikEval System
設(shè)計資源： DC1009A Design File
DC1009A Schematic
標準包裝： 1
系列： Easy Drive™, QuikEval™
ADC 的數(shù)量： 1
位數(shù)： 24
采樣率（每秒）： 7.5
數(shù)據(jù)接口： MICROWIRE?，串行，SPI?
已用 IC / 零件： LTC2492
已供物品： 板
相關(guān)產(chǎn)品： LTC2492CDE#TRPBF-ND - IC ADC 24BIT DELTA SIG 14-DFN
LTC2492IDE#TRPBF-ND - IC ADC 24BIT DELTA SIG 14-DFN
LTC2492IDE#PBF-ND - IC ADC 24BIT DELTA SIG 14-DFN
LTC2492CDE#PBF-ND - IC ADC 24BIT DELTA SIG 14-DFN
LTC2492
19
2492fd
a new input word with EN = 1 (the rst three bits are 101)
and EN2 = 1 is shifted into the device.
Rejection Mode (FA, FB)
The LTC2492 includes a high accuracy on-chip oscillator
with no required external components. Coupled with an
integrated 4th order digital lowpass lter, the LTC2492 re-
jects line frequency noise. In the default mode, the LTC2492
simultaneously rejects 50Hz and 60Hz by at least 87dB. If
more rejection is required, the LTC2492 can be congured
to reject 50Hz or 60Hz to better than 110dB.
Speed Mode (SPD)
Every conversion cycle, two conversions are combined to
remove the offset (default mode). This result is free from
offset and drift. In applications where the offset is not
critical, the auto-calibration feature can be disabled with
the benet of twice the output rate. While operating in the
2x mode (SPD = 1), the linearity and full-scale errors are
unchanged from the 1
× mode performance. In both the
1
× and 2× mode there is no latency. This enables input
steps or multiplexer changes to settle in a single conversion
cycle, easing system overhead and increasing the effective
conversion rate. During temperature measurements, the 1
×
mode is always used independent of the value of SPD.
Temperature Sensor
The LTC2492 includes an integrated temperature sensor.
The temperature sensor is selected by setting IM = 1. The
digital output is proportional to the absolute temperature
of the device. This feature allows the converter to perform
cold junction compensation for external thermocouples or
continuously remove the temperature effects of external
sensors.
The internal temperature sensor output is 28mV at 27°C
(300°K), with a slope of 93.5μV/°C independent of VREF
(see Figures 4 and 5). Slope calibration is not required if
the reference voltage (VREF) is known. A 5V reference has
a slope of 314 LSBs24/°C. The temperature is calculated
APPLICATIONS INFORMATION
Table 4. Converter Conguration
1
0
EN
SGL
ODD
A2
A1
A0
EN2
IM
FA
FB
SPD
CONVERTER CONFIGURATION
1
0
XXXXXXXXXX
Keep Previous
1
0
1
XXXXX
0
XXXX
Keep Previous
0
XXXXXXXXXX
Keep Previous
1
0
1
XXXXX
1
0
External Input (See Table 3)
50Hz/60Hz Rejection, 1x
1
0
1
XXXXX
1
0
1
0
External Input (See Table 3)
50Hz Rejection, 1x
1
0
1
XXXXX
1
0
1
0
External Input (See Table 3)
60Hz Rejection, 1x
1
0
1
XXXXX
1
0
1
External Input (See Table 3)
50Hz/60Hz Rejection, 2x
1
0
1
XXXXX
1
0
1
External Input (See Table 3)
50Hz Rejection, 2x
1
0
1
XXXXX
1
0
1
0
1
External Input (See Table 3)
60Hz Rejection, 2x
1
0
1
XXXXX
1
0
X
Measure Temperature
50Hz/60Hz Rejection, 1x
1
0
1
XXXXX
1
0
1
X
Measure Temperature
50Hz Rejection, 1x
1
0
1
XXXXX
1
0
X
Measure Temperature
60Hz Rejection, 1x
1
0
1
XXXXX
1
X
1
X
Reserved, Do Not Use
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DC1009A-B 功能描述:BOARD DELTA SIGMA ADC LTC2488 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:Easy Drive™, QuikEval™ 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標準包裝: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（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件
DC1009A-C 功能描述:BOARD DELTA SIGMA ADC LTC2486 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:Easy Drive™, QuikEval™ 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標準包裝: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（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件
DC100A10 功能描述:固態(tài)繼電器-工業(yè)安裝 SSR DC OUTPUT 10A 90-140VAC RoHS:否 制造商:Crydom 控制電壓范圍:4 VDC to 32 VDC 負載電壓額定值:7 VDC to 72 VDC 負載電流額定值:160 A 觸點形式: 輸出設(shè)備:SSR 安裝風(fēng)格:Panel
DC100A10C 功能描述:固態(tài)繼電器-工業(yè)安裝 SSR DC OUTPUT 10A 90-140VAC RoHS:否 制造商:Crydom 控制電壓范圍:4 VDC to 32 VDC 負載電壓額定值:7 VDC to 72 VDC 負載電流額定值:160 A 觸點形式: 輸出設(shè)備:SSR 安裝風(fēng)格:Panel
DC100A20 功能描述:固態(tài)繼電器-工業(yè)安裝 SSR DC OUTPUT 20A 90-140VAC RoHS:否 制造商:Crydom 控制電壓范圍:4 VDC to 32 VDC 負載電壓額定值:7 VDC to 72 VDC 負載電流額定值:160 A 觸點形式: 輸出設(shè)備:SSR 安裝風(fēng)格:Panel
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