参数资料
| 型号： | AD7801BRU |
| 厂商： | Analog Devices Inc |
| 文件页数： | 11/16页 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT PARALLEL INP 20TSSOP |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 75 |
| 设置时间： | 1.2µs |
| 位数： | 8 |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 功率耗散（最大）： | 12.9mW |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 管件 |
| 输出数目和类型： | 1 电压，单极；1 电压，双极 |
| 采样率（每秒）： | 833k |
AD7801
–4–
REV. 0
PIN FUNCTION DESCRIPTIONS
Pin
No.
Mnemonic
Function
1–8
D7–D0
Parallel Data Inputs. 8-bit data is loaded to the input register of the AD7801 under the control of
CS and WR.
9
CS
Chip Select. Active low logic input.
10
WR
Write Input.
WR is an active low logic input used in conjunction with CS to write data to the input register.
11
DGND
Digital Ground
12
PD
Active low input used to put the part into low power mode reducing current consumption to less than 1
A.
13
LDAC
Load DAC Logic Input. When this logic input is taken low the DAC output is updated with the contents of
its DAC register. If
LDAC is permanently tied low the DAC is updated on the rising edge of WR.
14
CLR
Asynchronous Clear Input (Active Low). When this input is taken low the DAC register is loaded with all
zeroes and the DAC output is cleared to zero volts.
15
VDD
Power Supply Input. This part can be operated from +2.7 V to +5.5 V and should be decoupled to GND.
16
REFIN
External Reference Input. This can be used as the reference for the DAC. The range on this reference input is
1 V to VDD/2. If REFIN is tied directly to VDD the internal VDD/2 reference is selected.
17
AGND
Analog Ground reference point and return point for all analog current on the part.
18
NC
No Connect Pin.
19
VOUT
Analog Output Voltage from the DAC. The output amplifier can swing rail to rail on its output.
20
DGND
Digital Ground reference point and return point for all digital current on the part.
PIN CONFIGURATION
14
13
12
11
17
16
15
20
19
18
10
9
8
1
2
3
4
7
6
5
TOP VIEW
(Not to Scale)
AD7801
NC = NO CONNECT
(MSB) DB7
AGND
NC
VOUT
DGND
DB6
DB5
DB4
CLR
VDD
REFIN
DB3
DB2
DB1
(LSB) DB0
CS
WR
DGND
PD
LDAC
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相关代理商/技术参数 |
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| AD7801BRU-REEL | 制造商:Analog Devices 功能描述:DAC 1-CH Current Steering 8-bit 20-Pin TSSOP T/R 制造商:Analog Devices 功能描述:DAC 1CH CURRENT STEERING 8BIT 20TSSOP - Tape and Reel |
| AD7801BRU-REEL7 | 功能描述:IC DAC 8BIT PARALLEL INP 20TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Data Converter Fundamentals DAC Architectures 设计资源:Unipolar, Precision DC Digital-to-Analog Conversion using AD5450/1/2/3 8-14-Bit DACs (CN0052) Precision, Bipolar, Configuration for AD5450/1/2/3 8-14bit Multiplying DACs (CN0053) AC Signal Processing Using AD5450/1/2/3 Current Output DACs (CN0054) Programmable Gain Element Using AD5450/1/2/3 Current Output DAC Family (CN0055) Single Supply Low Noise LED Current Source Driver Using a Current Output DAC in the Reverse Mode (CN0139) 标准包装:10,000 系列:- 设置时间:- 位数:12 数据接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 转换器数目:1 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 125°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:带卷 (TR) 输出数目和类型:1 电流，单极；1 电流，双极 采样率（每秒）:2.7M |
| AD7801BRUZ | 功能描述:IC DAC 8BIT PARALLEL INP 20TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 设置时间:4µs 位数:12 数据接口:串行 转换器数目:2 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-uMAX 包装:管件 输出数目和类型:2 电压，单极 采样率（每秒）:* 产品目录页面:1398 (CN2011-ZH PDF) |
| AD7801BRUZ-REEL | 功能描述:IC DAC 8BIT PARALLEL INP 20TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Data Converter Fundamentals DAC Architectures 设计资源:Unipolar, Precision DC Digital-to-Analog Conversion using AD5450/1/2/3 8-14-Bit DACs (CN0052) Precision, Bipolar, Configuration for AD5450/1/2/3 8-14bit Multiplying DACs (CN0053) AC Signal Processing Using AD5450/1/2/3 Current Output DACs (CN0054) Programmable Gain Element Using AD5450/1/2/3 Current Output DAC Family (CN0055) Single Supply Low Noise LED Current Source Driver Using a Current Output DAC in the Reverse Mode (CN0139) 标准包装:10,000 系列:- 设置时间:- 位数:12 数据接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 转换器数目:1 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 125°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:带卷 (TR) 输出数目和类型:1 电流，单极；1 电流，双极 采样率（每秒）:2.7M |
| AD7801BRUZ-REEL7 | 功能描述:IC DAC 8BIT PARALLEL INP 20TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Data Converter Fundamentals DAC Architectures 设计资源:Unipolar, Precision DC Digital-to-Analog Conversion using AD5450/1/2/3 8-14-Bit DACs (CN0052) Precision, Bipolar, Configuration for AD5450/1/2/3 8-14bit Multiplying DACs (CN0053) AC Signal Processing Using AD5450/1/2/3 Current Output DACs (CN0054) Programmable Gain Element Using AD5450/1/2/3 Current Output DAC Family (CN0055) Single Supply Low Noise LED Current Source Driver Using a Current Output DAC in the Reverse Mode (CN0139) 标准包装:10,000 系列:- 设置时间:- 位数:12 数据接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 转换器数目:1 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 125°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:带卷 (TR) 输出数目和类型:1 电流，单极；1 电流，双极 采样率（每秒）:2.7M |
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