fC = 5MHz f
參數(shù)資料
型號: AD8021ARZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 5/29頁
文件大?。?/td> 0K
描述: IC OPAMP VF LN LP LDIST 8SOIC
設(shè)計(jì)資源: Driving the AD7366/7 Bipolar SAR ADC in Low-Distortion DC-Coupled Appls (CN0042)
標(biāo)準(zhǔn)包裝: 1
放大器類型: 電壓反饋
電路數(shù): 1
轉(zhuǎn)換速率: 460 V/µs
-3db帶寬: 560MHz
電流 - 輸入偏壓: 7.5µA
電壓 - 輸入偏移: 400µV
電流 - 電源: 7.8mA
電流 - 輸出 / 通道: 70mA
電壓 - 電源,單路/雙路(±): 4.5 V ~ 24 V,±2.25 V ~ 12 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SO
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: AD8021ARZ-REEL7DKR
AD8021
Rev. F | Page 12 of 28
fC = 5MHz
fC = 1MHz
1
DISTORTION
(
d
Bc)
–60
–90
–100
–70
–80
–120
–50
–110
THIRD
SECOND
THIRD
VOUT (V p-p)
23
4
5
01888-023
6
Figure 23. Second and Third Harmonic Distortion vs. VOUT and
Fundamental Frequency (fC), G = +2
1
DISTORTION
(
d
Bc)
–50
–80
–90
–60
–70
–110
–40
–100
THIRD
SECOND
THIRD
VOUT (V p-p)
23
4
5
6
fC = 5MHz
fC = 1MHz
01888-024
Figure 24. Second and Third Harmonic Distortion vs. VOUT and
Fundamental Frequency (fC), G = +10
0
400
800
–90
–110
–80
200
600
1000
–120
–70
–100
DISTORTION
(dBc)
FEEDBACK RESISTANCE (
Ω)
fC = 1MHz
RL = 1kΩ
RF = RG
G = +2
THIRD
SECOND
01888-025
Figure 25. Second and Third Harmonic Distortion vs. Feedback Resistor (RF)
0
800
1600
3.2
2.9
3.4
400
1200
2000
2.8
3.5
3.1
3.3
3.0
–3.4
–3.7
–3.2
–3.8
–3.1
–3.5
–3.3
–3.6
NEGATIVE OUTPUT
POSITIVE OUTPUT
LOAD (
Ω)
POSITIVE
OU
TPU
T
VOLTA
GE
(
V
)
NEGATIVE
OUTPUT
VOLTAGE
(V)
01888-026
Figure 26. DC Output Voltages vs. Load (See Figure 48)
–50
–10
30
–30
10
50
70
90
110
60
0
100
120
40
80
20
VS = ±12V
VS = ±5.0V
VS = ±2.5V
TEMPERATURE (°C)
S
H
O
RT
-CI
RCUI
T
CURR
E
NT
(
m
A)
01
88
8-
02
7
Figure 27. Short-Circuit Current to Ground vs. Temperature
G = 2
RL = 1kΩ, 150Ω
50
40
30
20
10
–10
–20
–30
–40
–50
120
160
200
TIME (ns)
80
40
0
V
OUT
(mV
)
01888-028
Figure 28. Small Signal Transient Response vs.
RL, VO = 50 mV p-p, Noninverting (See Figure 49)
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