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| 型号： | AD7863ARZ-10 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 19/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT DUAL 2CHAN 28SOIC |
| 产品变化通告： | Product Discontinuance 27/Oct/2011 |
| 标准包装： | 27 |
| 位数： | 14 |
| 采样率（每秒）： | 175k |
| 数据接口： | 并联 |
| 转换器数目： | 2 |
| 功率耗散（最大）： | 94.5mW |
| 电压电源： | 模拟和数字 |
| 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： | 管件 |
| 输入数目和类型： | 4 个单端，单极；4 个单端，双极 |
AD7863
Rev. B | Page 4 of 24
Parameter
A Version1
B Version1
Unit
Test Conditions/Comments
REFERENCE INPUT/OUTPUT
REF IN Input Voltage Range
2.375 to 2.625
V
2.5 V ± 5%
REF IN Input Current
±100
μA max
REF OUT Output Voltage
2.5
V nom
REF OUT Error @ 25°C
±10
mV max
REF OUT Error TMIN to TMAX
±20
mV max
REF OUT Temperature Coefficient
25
ppm/°C typ
LOGIC INPUTS
Input High Voltage, VINH
2.4
V min
VDD = 5 V ± 5%
Input Low Voltage, VINL
0.8
V max
VDD = 5 V ± 5%
Input Current, IIN
±10
μA max
10
pF max
LOGIC OUTPUTS
Output High Voltage, VOH
4.0
V min
ISOURCE = 200 μA
Output Low Voltage, VOL
0.4
V max
ISINK = 1.6 mA
DB11 to DB0
Floating-State Leakage Current
±10
μA max
Floating-State Capacitance5
10
pF max
Output Coding
AD7863-10, AD7863-3
Twos complement
AD7863-2
Straight (natural) binary
CONVERSION RATE
Conversion Time
Mode 1 Operation
5.2
μs max
For both channels
10.0
μs max
For both channels
0.5
μs max
POWER REQUIREMENTS
VDD
5
V nom
±5% for specified performance
IDD
Normal Mode (Mode 1)
AD7863-10
18
mA max
AD7863-3
16
mA max
AD7863-2
11
mA max
Power-Down Mode (Mode 2)
20
μA max
40 nA typ. Logic inputs = 0 V or VDD
Power Dissipation
Normal Mode (Mode 1)
AD7863-10
94.50
mW max
VDD = 5.25 V, 70 mW typ
AD7863-3
84
mW max
VDD = 5.25 V, 70 mW typ
AD7863-2
57.75
mW max
VDD = 5.25 V, 45 mW typ
Power-Down Mode @ 25°C
105
μW max
210 nW typ, VDD = 5.25 V
1 Temperature ranges are as follows: A Version and B Version, 40°C to +85°C.
2 Sample tested during initial release.
3 Applies to Mode 1 operation. See Operating Modes section.
4 See Terminology section.
5 Sample tested @ 25°C to ensure compliance.
6 This 10 μs includes the wake-up time from standby. This wake-up time is timed from the rising edge of CONVST, whereas conversion is timed from the falling edge of
CONVST, for a narrow CONVST pulse width the conversion time is effectively the wake-up time plus conversion time, 10 μs. This can be seen from Figure 6. Note that if
the CONVST pulse width is greater than 5.2 μs, the effective conversion time increases beyond 10 μs.
7 Performance measured through full channel (multiplexer, SHA, and ADC).
8 For best dynamic performance of the AD7863, ATE device testing has to be performed with power supply decoupling in place. In the AD7863 power-down mode of
operation, the leakage current associated with these decoupling capacitors is greater than that of the AD7863 supply current. Therefore, the 40 nA typical figure
shown is characterized and guaranteed by design figure, which reflects the supply current of the AD7863 without decoupling in place. The maximum figure shown in
the Conditions/Comments column reflects the AD7863 with supply decoupling in place—0.1 μF in parallel with 10 μF disc ceramic capacitors on the VDD pin and
2 × 0.1 μF disc ceramic capacitors on the VREF pin, in both cases to the AGND plane.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD7863ARZ-101 | 制造商:AD 制造商全称:Analog Devices 功能描述:Simultaneous Sampling Dual 175 kSPS 14-Bit ADC |
| AD7863ARZ-10REEL | 功能描述:IC ADC 14BIT DUAL 2CH 28-SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 位数:12 采样率（每秒）:3M 数据接口:- 转换器数目:- 功率耗散（最大）:- 电压电源:- 工作温度:- 安装类型:表面贴装 封装/外壳:SOT-23-6 供应商设备封装:SOT-23-6 包装:带卷 (TR) 输入数目和类型:- |
| AD7863ARZ-10REEL1 | 制造商:AD 制造商全称:Analog Devices 功能描述:Simultaneous Sampling Dual 175 kSPS 14-Bit ADC |
| AD7863ARZ-10REEL7 | 功能描述:IC ADC 14BIT DUAL 2CHAN 28SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 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 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD7863ARZ-10REEL71 | 制造商:AD 制造商全称:Analog Devices 功能描述:Simultaneous Sampling Dual 175 kSPS 14-Bit ADC |
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