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參數資料
| 型號： | DC1009A-B |
| 廠商： | Linear Technology |
| 文件頁數： | 29/30頁 |
| 文件大小： | 0K |
| 描述： | BOARD DELTA SIGMA ADC LTC2488 |
| 軟件下載： | QuikEval System |
| 設計資源： | DC1009A Design File DC1009A Schematic |
| 標準包裝： | 1 |
| 系列： | Easy Drive™, QuikEval™ |
| ADC 的數量： | 1 |
| 位數： | 16 |
| 采樣率（每秒）： | 6.9 |
| 數據接口： | MICROWIRE?，串行，SPI? |
| 已用 IC / 零件： | LTC2488 |
| 已供物品： | 板 |
| 相關產品： | LTC2488CDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN LTC2488IDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN LTC2488CDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN LTC2488IDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN |
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LTC2488
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2488fa
PIN FUNCTIONS
FO(Pin1):FrequencyControlPin.Digitalinputthatcontrols
the internal conversion clock rate. When FO is connected to
ground, the converter uses its internal oscillator running at
307.2kHz. The conversion clock may also be overridden by
driving the FO pin with an external clock in order to change
the output rate and the digital lter rejection null.
SDI (Pin 2): Serial Data Input. This pin is used to select the
input channel. The serial data input is applied under control
of the serial clock (SCK) during the data output/input opera-
tion. The rst conversion following a new input is valid.
SCK (Pin 3): Bidirectional, Digital I/O, Clock Pin. In Internal
Serial Clock Operation mode, SCK is generated internally
and is seen as an output on the SCK pin. In External Serial
Clock Operation mode, the digital I/O clock is externally
applied to the SCK pin. The Serial Clock operation mode
is determined by the logic level applied to the SCK pin at
power up and during the most recent falling edge of CS.
CS(Pin4):ActiveLOWChipSelect.ALOWonthispinenables
thedigitalinput/outputandwakesuptheADC.Followingeach
conversion, the ADC automatically enters the Sleep mode
and remains in this low power state as long as CS is HIGH.
A LOW-to-HIGH transition on CS during the data output
aborts the data transfer and starts a new conversion.
SDO (Pin 5): Three-State Digital Output. During the data
output period, this pin is used as the serial data output.
When the chip select pin is HIGH, the SDO pin is in a high
impedance state. During the conversion and sleep periods,
this pin is used as the conversion status output. When
the conversion is in progress this pin is HIGH; once the
conversion is complete SDO goes low. The conversion
status is monitored by pulling CS LOW.
GND (Pin 6): Ground. Connect this pin to a common ground
plane through a low impedance connection.
COM (Pin 7): The common negative input (IN–) for all
single ended multiplexer congurations. The voltage on
CH0 to CH3 and COM pins can have any value between
GND – 0.3V to VCC + 0.3V. Within these limits, the two
selected inputs (IN+ and IN–) provide a bipolar input range
(VIN = IN+ – IN–) from –0.5 VREF to 0.5 VREF. Outside
this input range, the converter produces unique over-range
and under-range output codes.
CH0 to CH3 (Pins 8-11): Analog Inputs. May be pro-
grammed for single-ended or differential mode.
VCC (Pin 12): Positive Supply Voltage. Bypass to GND with
a 10μF tantalum capacitor in parallel with a 0.1μF ceramic
capacitor as close to the part as possible.
REF+ (Pin 13), REF– (Pin 14):
Differential Reference Input.
The voltage on these pins can have any value between
GND and VCC as long as the reference positive input, REF+,
remains more positive than the negative reference input,
REF–, by at least 0.1V. The differential voltage (VREF = REF+
– REF–) sets the fullscale range for all input channels.
Exposed Pad (Pin 15): Ground. This pin is ground and
must be soldered to the PCB ground plane. For prototyping
purposes, this pin may remain oating.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 - 模數轉換器 (ADC) 系列:Easy Drive™, QuikEval™ 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口: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: 輸出設備:SSR 安裝風格: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: 輸出設備:SSR 安裝風格: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: 輸出設備:SSR 安裝風格:Panel |
| DC100A20C | 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: 輸出設備:SSR 安裝風格:Panel |
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