参数资料
型号: AD7834ARZ-REEL
厂商: Analog Devices Inc
文件页数: 2/28页
文件大小: 0K
描述: IC DAC 14BIT QUAD SERIAL 28SOIC
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1,000
设置时间: 10µs
位数: 14
数据接口: 串行
转换器数目: 4
电压电源: 模拟和数字,双 ±
功率耗散(最大): 465mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 带卷 (TR)
输出数目和类型: 4 电压,单极;4 电压,双极
采样率(每秒): 100k
AD7834/AD7835
Rev. D | Page 10 of 28
Pin No.
MQFP
Pin No. PLCC
Pin Mnemonic
Description
16 to 29
22 to 35
DB0 to DB13
Parallel Data Inputs. The AD7835 can accept a straight 14-bit parallel word on DB0 to
DB13, where DB13 is the MSB and the BYSHF input is hardwired to a logic high.
Alternatively for byte loading, the bottom eight data inputs, DB0 to DB7, are used for
data loading, and the top six data inputs, DB8 to DB13, should be hardwired to a logic
low. The BYSHF control input selects whether 8 LSBs or 6 MSBs of data are being loaded
into the device.
32
38
DSGB
Device Sense Ground B Input. Used in conjunction with the CLR input for power-on
protection of the DACs. When CLR is low, DAC outputs VOUT3 and VOUT4 are forced to the
potential on the DSGB pin.
36, 35
42, 41
VREF(+)B, VREF()B
Reference Inputs for DACs 3 and 4. These reference voltages are referred to AGND.
38
44
AGND
Analog Ground.
39
1
VDD
Positive Analog Power Supply: 15 V ± 5% or 12 V ± 5%.
40
2
VSS
Negative Analog Power Supply: 15 V ± 5% or 12 V ± 5%.
42, 43
4, 5
VREF(+)A, VREF()A
Reference Inputs for DAC 1 and DAC 2. These reference voltages are referred to AGND.
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AD7834BR-REEL 功能描述:IC DAC 14BIT QUAD SRL 28-SOIC 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:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 设置时间:1µs 位数:8 数据接口:串行 转换器数目:8 电压电源:双 ± 功率耗散(最大):941mW 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC(0.295",7.50mm 宽) 供应商设备封装:24-SOIC W 包装:带卷 (TR) 输出数目和类型:8 电压,单极 采样率(每秒):*
AD7834BRZ 功能描述:IC DAC 14BIT QUAD SRL 28-SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 标准包装:1 系列:- 设置时间:4.5µs 位数:12 数据接口: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:8-SOIC(0.154",3.90mm 宽) 供应商设备封装:8-SOICN 包装:剪切带 (CT) 输出数目和类型:1 电压,单极;1 电压,双极 采样率(每秒):* 其它名称:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND