T = 25°C, G = +1, RF" />
參數資料
型號: ADA4857-1YRZ
廠商: Analog Devices Inc
文件頁數: 20/20頁
文件大?。?/td> 0K
描述: IC OPAMP VF ULDIST LP LN 8SOIC
標準包裝: 98
放大器類型: 電壓反饋
電路數: 1
轉換速率: 2800 V/µs
-3db帶寬: 850MHz
電流 - 輸入偏壓: 2µA
電壓 - 輸入偏移: 2000µV
電流 - 電源: 5mA
電流 - 輸出 / 通道: 50mA
電壓 - 電源,單路/雙路(±): 4.5 V ~ 10.5 V,±2.25 V ~ 5.25 V
工作溫度: -40°C ~ 125°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: 管件
產品目錄頁面: 768 (CN2011-ZH PDF)
Data Sheet
ADA4857-1/ADA4857-2
Rev. C | Page 9 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
T = 25°C, G = +1, RF = 0 , and, RG open, RS = 100 for SOIC, (for G = +2, RF = RG = 499 ), unless otherwise noted.
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
008
FREQUENCY (MHz)
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
G = +1
G = +2
G = +5
G = +10
VS = ±5V
RL = 1k
VOUT = 0.2V p-p
Figure 8. Small Signal Frequency Responses for Various Gains (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
009
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
G = +1
RL = 1k
VOUT = 0.2V p-p
±5V
+5V
Figure 9. Small Signal Frequency Response for Various Supply Voltages (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
010
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
–40°C
+125°C
+25°C
G = +1
VS = ±5V
RL = 1k
VOUT = 0.2V p-p
Figure 10. Small Signal Frequency Response for Various Temperatures (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
011
FREQUENCY (MHz)
N
OR
M
A
LIZE
D
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
G = +1
G = +2
G = +10
VS = ±5V
RL = 1k
VOUT = 2V p-p
G = +5
Figure 11. Large Signal Frequency Responses for Various Gains (LFCSP)
1
10
100
1000
07040-
012
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
NO CAP LOAD
G = +2
VS = ±5V
RL = 1k
VOUT = 0.2V p-p
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
4
5
6
7
8
9
5pF
10pF
Figure 12. Small Signal Frequency Response for Various Capacitive Loads (LFCSP)
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
1
10
100
1000
07040-
013
FREQUENCY (MHz)
C
LOS
E
D
-LOOP
GA
IN
(
dB
)
G = +1
VS = ±5V
RL = 100
1V p-p
4V p-p
Figure 13. Large Signal Frequency Response vs. VOUT (LFCSP)
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