参数资料
型号: AD8002ARZ
厂商: Analog Devices Inc
文件页数: 5/21页
文件大小: 0K
描述: IC OPAMP CF DUAL LP LDIST 8SOIC
标准包装: 98
放大器类型: 电流反馈
电路数: 2
转换速率: 1200 V/µs
-3db带宽: 600MHz
电流 - 输入偏压: 5µA
电压 - 输入偏移: 2000µV
电流 - 电源: 10mA
电流 - 输出 / 通道: 70mA
电压 - 电源,单路/双路(±): ±3 V ~ 6 V
工作温度: -40°C ~ 85°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-SOIC
包装: 管件
产品目录页面: 769 (CN2011-ZH PDF)
REV. D
AD8002
–12–
Driving A-to-D Converters
The AD8002 is well suited for driving high-speed analog-to-
digital converters such as the AD9058. The AD9058 is a dual
8-bit 50 MSPS ADC. In Figure 10, the AD8002 is shown driv-
ing the inputs of the AD9058 which are configured for 0 V to 2 V
ranges. Bipolar input signals are buffered, amplified (–2
×), and
offset (by 1.0 V) into the proper input range of the ADC. Using
0.1 F
+VS
–VS
20
50
1k
18
17
16
15
14
13
12
11
–VREF A
10pF
CLOCK
5, 9, 22,
24, 37, 41
4,19, 21
25, 27, 42
0.1 F
38
8
–VREF B
6
+VINT
2
3
+VREF A
AIN A
549
274
ANALOG
IN A
0.5V
1.1k
AD707
43
+VREF B
20k
0.1 F
–2V
1.1k
20k
549
ANALOG
IN B
0.5V
274
20
0.1 F
40
COMP
1
AIN B
ENCODE A
ENCODE B
10
36
ENCODE
74ACT04
0.1 F
+5V
28
29
30
31
32
33
34
35
RZ1
RZ2
D0A (LSB)
D7A (MSB)
D0B (LSB)
D7B (MSB)
7, 20,
26, 39
–5V
1N4001
AD9058
(J-LEAD)
RZ1, RZ2 = 2,000
SIP (8-PKG)
74ACT
273
74ACT
273
8
1/2
AD8002
1/2
AD8002
50
Figure 10. AD8002 Driving a Dual A-to-D Converter
the AD9058’s internal 2 V reference connected to both ADCs
as shown in Figure 10 reduces the number of external compo-
nents required to create a complete data acquisition system. The
20
resistors in series with ADC inputs are used to help the
AD8002s drive the 10 pF ADC input capacitance. The AD8002
adds only 100 mW to the power consumption, while not limit-
ing the performance of the circuit.
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参数描述
AD8002ARZ 制造商:Analog Devices 功能描述:Operational Amplifier (Op-Amp) IC
AD8002ARZ-R7 功能描述:IC OPAMP CF DUAL LP LDIST 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:73 系列:Over-The-Top® 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.07 V/µs 增益带宽积:200kHz -3db带宽:- 电流 - 输入偏压:1nA 电压 - 输入偏移:285µV 电流 - 电源:50µA 电流 - 输出 / 通道:25mA 电压 - 电源,单路/双路(±):2 V ~ 44 V,±1 V ~ 22 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-WFDFN 裸露焊盘 供应商设备封装:16-DFN-EP(5x3) 包装:管件
AD8002ARZ-RL 功能描述:IC OPAMP CF DUAL LP LDIST 8SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.028 V/µs 增益带宽积:105kHz -3db带宽:- 电流 - 输入偏压:3nA 电压 - 输入偏移:100µV 电流 - 电源:3.3µA 电流 - 输出 / 通道:12mA 电压 - 电源,单路/双路(±):2.7 V ~ 12 V,±1.35 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-TSSOP(0.173",4.40mm 宽) 供应商设备封装:14-TSSOP 包装:剪切带 (CT) 其它名称:OP481GRUZ-REELCT
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