参数资料
型号: AD8021AR
厂商: Analog Devices Inc
文件页数: 2/29页
文件大小: 0K
描述: IC OPAMP VF LN LP LDIST 8SOIC
设计资源: Driving the AD7366/7 Bipolar SAR ADC in Low-Distortion DC-Coupled Appls (CN0042)
标准包装: 98
放大器类型: 电压反馈
电路数: 1
转换速率: 460 V/µs
-3db带宽: 560MHz
电流 - 输入偏压: 7.5µA
电压 - 输入偏移: 400µV
电流 - 电源: 7.8mA
电流 - 输出 / 通道: 70mA
电压 - 电源,单路/双路(±): 4.5 V ~ 24 V,±2.25 V ~ 12 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-SO
包装: 管件
AD8021
Rev. F | Page 9 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VS = ±5 V, RL = 1 kΩ, G = +2, RF = RG = 499 Ω, RS = 49.9 Ω, RO = 976 Ω, RD = 53.6 Ω, CC = 7 pF, CL = 0, CF = 0, VOUT = 2 V p-p,
frequency = 1 MHz, unless otherwise noted.
FREQUENCY (Hz)
0.1M
1G
1M
10M
100M
C
L
OS
E
D
-L
OOP
GA
IN
(
d
B
)
24
21
–6
18
15
12
9
6
3
0
–3
G = +10, RF = 1k, RG = 110, CC = 0pF
G = +5, RF = 1k, RG = 249, CC = 2pF
G = +2, RF = RG = 499, CC = 7pF
G = +1, RF = 75, CC = 10pF
01
88
8-
0
05
Figure 5. Small Signal Frequency Response vs. Frequency and Gain,
VOUT = 50 mV p-p, Noninverting (See Figure 48)
FREQUENCY (Hz)
0.1M
1G
1M
10M
100M
GAIN
(
d
B)
24
21
–6
18
15
12
9
6
3
0
–3
G = –10, RF = 1kΩ, RG = 100Ω,
RIN = 100Ω, CC = 0pF
G = –5, RF = 1kΩ, RG = 200Ω,
RIN = 66.5Ω, CC = 1.5pF
G = –2, RF = 499Ω, RG = 249Ω,
RIN = 63.4Ω, CC = 4pF
G = –1, RF = 499Ω, RG = 499Ω,
RIN = 56.2Ω, CC = 7pF
01888-006
Figure 6. Small Signal Frequency Response vs. Frequency and
Gain, VOUT = 50 mV p-p Inverting (See Figure 48)
FREQUENCY (Hz)
0.1M
1G
1M
GA
IN
(
d
B
)
10M
100M
9
8
–1
7
6
5
4
3
2
1
0
CC = 9pF
G = +2
CC = 7pF
CC = 9pF
CC = 5pF
01
888
-00
7
Figure 7. Small Signal Frequency Response vs. Frequency and
Compensation Capacitor, VOUT = 50 mV p-p (See Figure 48)
FREQUENCY (Hz)
1G
1M
GA
IN
(
d
B
)
10M
100M
9
8
–1
7
6
5
4
3
2
1
0
G = +2
VS = ±5V
VS = ±12V
VS = ±2.5V
01
88
8-
0
08
Figure 8. Small Signal Frequency Response vs. Frequency and Supply,
VOUT = 50 mV p-p, Noninverting (See Figure 48)
FREQUENCY (Hz)
1G
1M
GA
IN
(
d
B
)
10M
100M
3
2
–7
1
0
–1
–2
–3
–4
–5
–6
VS = ±5V
VS = ±2.5V
G = –1
VS = ±12V
0
188
8-
0
09
Figure 9. Small Signal Frequency Response vs. Frequency and Supply,
VOUT = 50 mV p-p, Inverting (See Figure 50)
FREQUENCY (Hz)
1G
1M
GA
IN
(
d
B
)
10M
100M
9
8
–1
7
6
5
4
3
2
1
0
VOUT = 1V p-p
VOUT = 4V p-p
VOUT = 0.1V AND 50mV p-p
G = +2
01
88
8-
0
10
Figure 10. Frequency Response vs. Frequency and VOUT, Noninverting
(See Figure 48)
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