参数资料
型号: ADA4891-3ARUZ
厂商: Analog Devices Inc
文件页数: 22/24页
文件大小: 0K
描述: IC OPAMP GP R-R CMOS 14TSSOP
标准包装: 96
放大器类型: 通用
电路数: 3
输出类型: 满摆幅
转换速率: 210 V/µs
-3db带宽: 240MHz
电流 - 输入偏压: 2pA
电压 - 输入偏移: 2500µV
电流 - 电源: 4.4mA
电流 - 输出 / 通道: 125mA
电压 - 电源,单路/双路(±): 2.7 V ~ 5.5 V,±1.35 V ~ 2.75 V
工作温度: -40°C ~ 125°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: 管件
Data Sheet
ADA4891-1/ADA4891-2/ADA4891-3/ADA4891-4
Rev. E | Page 7 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, all plots are characterized for the ADA4891-1, ADA4891-2, ADA4891-3, and ADA4891-4. For the ADA4891-1
and ADA4891-2, the typical RF value is 604 Ω. For the ADA4891-3 and ADA4891-4, the typical RF value is 453 Ω.
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
4
0.1
1
10
100
1k
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOO
P
G
AI
N
(
d
B)
FREQUENCY (MHz)
VS = 5V
VOUT = 200mV p-p
RF = 604Ω
RL = 1kΩ
G = +10
G = +5
G = –1
OR +2
G = +1
08054-
028
Figure 7. Small-Signal Frequency Response vs. Gain, VS = 5 V,
ADA4891-1/ADA4891-2
–15
–12
–9
–6
–3
0
3
6
0.1
1
10
100
1k
C
LOS
E
D
-LOO
P
G
AI
N
(
d
B)
FREQUENCY (MHz)
G = +1
VOUT = 200mV p-p
RL = 1kΩ
VS = 2.7V
VS = 5V
08054-
029
VS = 3V
Figure 8. Small-Signal Frequency Response vs. Supply Voltage,
ADA4891-1/ADA4891-2
–4
–3
–2
–1
0
1
2
3
4
5
0.1
1
10
100
1k
C
LOS
E
D
-LOO
P
G
AI
N
(
d
B)
FREQUENCY (MHz)
VS = 5V
G = +1
VOUT = 200mV p-p
RL = 1kΩ
08054-
030
+125°C
+85°C
+25°C
0°C
–40°C
Figure 9. Small-Signal Frequency Response vs. Temperature, VS = 5 V,
ADA4891-1/ADA4891-2
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
0.1
1
10
100
1k
FREQUENCY (MHz)
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
08054-
076
G = +10
G = +5
G = +1
G = –1 OR +2
VS = 5V
VOUT = 200mV p-p
RF = 453
RL = 1k
Figure 10. Small-Signal Frequency Response vs. Gain, VS = 5 V,
ADA4891-3/ADA4891-4
6
3
0
–3
–6
–9
–12
–15
0.1
1
10
100
1k
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
08054-
077
VS = 2.7V
G = +1
VOUT = 200mV p-p
RL = 1k
VS = 3V
VS = 5V
Figure 11. Small-Signal Frequency Response vs. Supply Voltage,
ADA4891-3/ADA4891-4
–4
–3
–2
–1
0
1
2
3
4
5
0.1
1
10
100
1k
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
08054-
078
VS = 5V
G = +1
VOUT = 200mV p-p
RL = 1k
+125°C
+85°C
+25°C
0°C
–40°C
Figure 12. Small-Signal Frequency Response vs. Temperature, VS = 5 V,
ADA4891-3/ADA4891-4
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