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| 型号： | AD7911AUJZ-R2 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/28页 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 250KSPS TSOT23-8 |
| 标准包装： | 1 |
| 位数： | 10 |
| 采样率（每秒）： | 250k |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 20mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 薄型，TSOT-23-8 |
| 供应商设备封装： | TSOT-23-8 |
| 包装： | 标准包装 |
| 输入数目和类型： | 2 个单端，单极 |
| 其它名称： | AD7911AUJZ-R2DKR |
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AD7911/AD7921
Rev. A | Page 10 of 28
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
04350-0-008
VIN1
VIN0
GND
VDD
8
7
6
5
DIN
1
SCLK
2
CS
3
DOUT
4
AD7911/
AD7921
8-LEAD TSOT
TOP VIEW
(Not to Scale)
Figure 8. 8-Lead TSOT Pin Configuration
04350-0-034
VDD
GND
VIN0
VIN1
8
7
6
5
DOUT
1
CS
2
SCLK
3
DIN
4
AD7911/
AD7921
8-LEAD MSOP
TOP VIEW
(Not to Scale)
Figure 9. 8-Lead MSOP Pin Configuration
Table 5. Pin Function Descriptions
TSOT
Pin No.
MSOP
Pin No.
Mnemonic
Function
1
4
DIN
Data In. Logic input. The channel to be converted is provided on this input and is clocked into an
internal register on the falling edge of SCLK.
2
3
SCLK
Serial Clock. Logic input. SCLK provides the serial clock for accessing data from the part. This clock
input is also used as the clock source for the AD7911/AD7921’s conversion process.
3
2
CS
Chip Select. Active low logic input. This input provides the dual function of initiating conversions on
the AD7911/AD7921 and framing the serial data transfer.
4
1
DOUT
Data Out. Logic output. The conversion result from the AD7911/AD7921 is provided on this output as a
serial data stream. The bits are clocked out on the falling edge of the SCLK signal.
For the AD7921, the data stream consists of two leading zeros; the channel identifier bit, which
identifies the channel that the conversion result corresponds to; followed by an invalid bit that
matches up to the channel identifier bit; followed by the 12 bits of conversion data, with MSB first.
For the AD7911, the data stream consists of two leading zeros; the channel identifier bit, which
identifies the channel that the conversion result corresponds to; followed by an invalid bit that
matches up to the channel identifier bit; followed by the 10 bits of conversion data, with MSB first and
two trailing zeros.
5
8
VDD
Power Supply Input. The VDD range for the AD7911/AD7921 is from 2.35 V to 5.25 V.
6
7
GND
Analog Ground. Ground reference point for all circuitry on the AD7911/AD7921. All analog input
signals should be referred to this GND voltage.
7, 8
6, 5
VIN0, VIN1
Analog Inputs. These two single-ended analog input channels are multiplexed into the on-chip track-
and-hold amplifier. The analog input channel to be converted is selected by writing to the third MSB
on the DIN pin. The input range is 0 to VDD.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7911AUJZ-REEL7 | 功能描述:IC ADC 10BIT 250KSPS TSOT23-8 RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:2,500 系列:- 位数:16 采样率（每秒）:15 数据接口:MICROWIRE?，串行，SPI? 转换器数目:1 功率耗散（最大）:480µW 电压电源:单电源 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:38-WFQFN 裸露焊盘 供应商设备封装:38-QFN（5x7） 包装:带卷 (TR) 输入数目和类型:16 个单端，双极；8 个差分，双极 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| AD7912 | 制造商:AD 制造商全称:Analog Devices 功能描述:2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-/12-Bit ADCs |
| AD7912ARM | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 10-bit Serial 8-Pin MSOP 制造商:Rochester Electronics LLC 功能描述:DUAL 10-BIT, 1MSPS, ADC I.C - Bulk 制造商:Analog Devices 功能描述:10BIT ADC DUAL SMD 7912 MSOP8 |
| AD7912ARM-REEL | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 10-bit Serial 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 1MSPS 10-BIT SERL 8MSOP - Tape and Reel |
| AD7912ARM-REEL7 | 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 10-bit Serial 8-Pin MSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 1MSPS 10-BIT SERL 8MSOP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:DUAL 10-BIT, 1MSPS, ADC I.C - Tape and Reel |
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