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參數(shù)資料
| 型號： | ADA4940-2ACPZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 4/33頁 |
| 文件大小： | 0K |
| 描述： | IC DIFF ADC DVR 18BIT LN 24LFCSP |
| 標準包裝： | 5,000 |
| 放大器類型： | 差分 |
| 電路數(shù)： | 2 |
| 輸出類型： | 差分 |
| 轉(zhuǎn)換速率： | 95 V/µs |
| -3db帶寬： | 260MHz |
| 電流 - 輸入偏壓： | 1.1µA |
| 電壓 - 輸入偏移： | 60µV |
| 電流 - 電源： | 1.25mA |
| 電流 - 輸出 / 通道： | 46mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 7 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VFQFN 裸露焊盤，CSP |
| 供應商設備封裝： | 24-LFCSP-VQ（4x4） |
| 包裝： | 帶卷 (TR) |
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Data Sheet
ADA4940-1/ADA4940-2
Rev. C | Page 11 of 32
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VS = ±2.5 V, G = 1, RF = RG = 1 k, RT = 52.3 (when used), RL = 1 k, unless otherwise noted. See Figure 59 and Figure 60 for the
test circuits.
3
–9
0.1
1
10
100
1000
NO
RM
AL
IZ
E
D
G
AI
N
(
d
B)
FREQUENCY (MHz)
08452-
006
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
VOUT, dm = 0.1V p-p
G = 2, RL = 1kΩ
G = 2, RL = 200Ω
G = 1, RL = 200Ω
G = 1, RL = 1kΩ
Figure 7. Small Signal Frequency Response for Various Gains and Loads
(LFCSP)
08452-
007
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
0.1
1
10
100
1000
G
AI
N
(
d
B)
FREQUENCY (MHz)
VOUT, dm = 0.1V p-p
VS = ±3.5V
VS = ±2.5V
VS = ±1.5V
Figure 8. Small Signal Frequency Response for Various Supplies (LFCSP)
Figure 9. Small Signal Frequency Response for Various Temperatures (LFCSP)
3
–9
0.1
1
10
100
1000
NO
RM
AL
IZ
E
D
G
AI
N
(
d
B)
FREQUENCY (MHz)
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
VOUT = 2V p-p
G = 2, RL = 1kΩ
G = 1, RL = 1kΩ
08452-
009
G = 1, RL = 200Ω
G = 2, RL = 200Ω
Figure 10. Large Signal Frequency Response for Various Gains and Loads
08452-
010
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
3
0.1
1
10
100
1000
G
AI
N
(
d
B)
FREQUENCY (MHz)
VOUT = 2V p-p
VS = ±3.5V
VS = ±2.5V
VS = ±1.5V
Figure 11. Large Signal Frequency Response for Various Supplies
3
–9
1
10
100
1000
G
AI
N
(
d
B)
FREQUENCY (MHz)
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
VOUT, dm = 2V p-p
08452-
0
1
–40°C
+25°C
+125°C
Figure 12. Large Signal Frequency Response for Various Temperatures
3
–9
1
10
100
1000
G
AI
N
(
d
B)
FREQUENCY (MHz)
–8
–7
–6
–5
–4
–3
–2
–1
0
1
2
VOUT, dm = 0.1V p-p
08452-
008
–40°C
+25°C
+125°C
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