參數資料
型號: AD8021ARZ-REEL
廠商: Analog Devices Inc
文件頁數: 26/29頁
文件大小: 0K
描述: IC OPAMP VF LN LP LDIST 8SOIC
設計資源: Driving the AD7366/7 Bipolar SAR ADC in Low-Distortion DC-Coupled Appls (CN0042)
標準包裝: 2,500
放大器類型: 電壓反饋
電路數: 1
轉換速率: 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)
供應商設備封裝: 8-SO
包裝: 帶卷 (TR)
AD8021
Rev. F | Page 5 of 28
AD8021AR/AD8021ARM
Parameter
Conditions
Min
Typ
Max
Unit
OUTPUT CHARACTERISTICS
Output Voltage Swing
10.2 to +9.8
10.6 to +10.2
V
Linear Output Current
70
mA
Short-Circuit Current
115
mA
Capacitive Load Drive for 30% Overshoot
VO = 50 mV p-p/1 V p-p
15/120
pF
DISABLE CHARACTERISTICS
Off Isolation
f = 10 MHz
40
dB
Turn-On Time
VO = 0 V to 2 V, 50% logic to 50% output
45
ns
Turn-Off Time
VO = 0 V to 2 V, 50% logic to 50% output
50
ns
DISABLE Voltage—Off/On
VDISABLE VLOGIC REFERENCE
1.80/1.95
V
Enabled Leakage Current
LOGIC REFERENCE = 0.4 V
70
μA
DISABLE = 4.0 V
2
μA
Disabled Leakage Current
LOGIC REFERENCE = 0.4 V
30
μA
DISABLE = 0.4 V
33
μA
POWER SUPPLY
Operating Range
±2.25
±5
±12.0
V
Quiescent Current
Output enabled
7.8
8.6
mA
Output disabled
1.7
2.0
mA
+Power Supply Rejection Ratio
VCC = 11 V to 13 V, VEE = 12 V
86
96
dB
Power Supply Rejection Ratio
VCC = 12 V, VEE = 13 V to 11 V
86
100
dB
VS = 5 V, @ TA = 25°C, RL = 1 kΩ, gain = +2, unless otherwise noted.
Table 3.
AD8021AR/AD8021ARM
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
3 dB Small Signal Bandwidth
G = +1, CC = 10 pF, VO = 0.05 V p-p
270
305
MHz
G = +2, CC = 7 pF, VO = 0.05 V p-p
155
190
MHz
G = +5, CC = 2 pF, VO = 0.05 V p-p
135
165
MHz
G = +10, CC = 0 pF, VO = 0.05 V p-p
95
130
MHz
Slew Rate, 1 V Step
G = +1, CC = 10 pF
80
110
V/μs
G = +2, CC = 7 pF
110
140
V/μs
G = +5, CC = 2 pF
210
280
V/μs
G = +10, CC = 0 pF
290
390
V/μs
Settling Time to 0.01%
VO = 1 V step, RL = 500 Ω
28
ns
Overload Recovery (50%)
0 V to 2.5 V input step, G = +2
40
ns
DISTORTION/NOISE PERFORMANCE
f = 1 MHz
HD2
VO = 2 V p-p
84
dBc
HD3
VO = 2 V p-p
91
dBc
f = 5 MHz
HD2
VO = 2 V p-p
68
dBc
HD3
VO = 2 V p-p
81
dBc
Input Voltage Noise
f = 50 kHz
2.1
2.6
nV/√Hz
Input Current Noise
f = 50 kHz
2.1
pA/√Hz
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