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參數(shù)資料
| 型號： | AD8041ARZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 5/17頁 |
| 文件大小： | 0K |
| 描述： | IC OPAMP VF R-R LP LDIST 8SOIC |
| 標(biāo)準(zhǔn)包裝： | 98 |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 170 V/µs |
| -3db帶寬： | 170MHz |
| 電流 - 輸入偏壓： | 1.2µA |
| 電壓 - 輸入偏移： | 2000µV |
| 電流 - 電源： | 5.8mA |
| 電流 - 輸出 / 通道： | 50mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 12 V，±1.5 V ~ 6 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： | 管件 |
| 產(chǎn)品目錄頁面： | 769 (CN2011-ZH PDF) |
REV. B
–12–
AD8041
R2
C3
gm2
VOUT
R1
C9
gmVi
S1N
S1P
C7
R1
gmVi
Figure 6. Small Signal Schematic
Disable Operation
The AD8041 has an active-low disable pin, which can be used
to three-state the output of the part and also lower its supply
current. If the disable pin is left floating, the part is enabled and
will perform normally. If the disable pin is pulled to 2.5 V (min)
below the positive supply, output of the AD8041 will be disabled
and the nominal supply current will drop to less than 1.6 mA.
For best isolation, the disable pin should be pulled to as low a
voltage as possible; ideally, the negative supply rail.
The disable pin on the AD8041 allows it to be configured as a 2:1
mux as shown in Figure 7 and can be used to switch many types of
high speed signals. Higher order multiplexers can also be built.
The break-before-make switching time is approximately 50 ns to
disable the output and 300 ns to enable the output.
6
4
7
3
2
AD8041
330
50
10 F
5V
330
8
6
4
7
3
2
AD8041
330
50
10 F
5V
330
8
13
12
11
10
74HC04
50
G = +2
CH0
5MHz
CH1
10MHz
Figure 7. 2:1 Multiplexer
10
0%
100
90
200ns
1V
VS = 5V
Figure 8. 2:1 Multiplexer Performance
Single-Supply A/D Conversion
Figure 9 shows the AD8041 driving the analog inputs of the
AD9050 in a dc-coupled system with single-ended signals. All
components are powered from a single 5 V supply. The AD820
is used to offset the ground referenced input signal to the level
required by the AD9050. The AD8041 is used to add in the offset
with the ground referenced input signal and buffer the input to
AD9050. The nominal input range of the AD9050 is 2.8 V
and 3.8 V (1 V p-p centered at 3.3 V). This circuit provides
40 MSPS analog-to-digital conversion on just 330 mW of power
while delivering 10-bit performance.
0.1 F
5V
AD8041
2.8V – 3.8V
3.3V
5V
AD9050
10
9
1k
VIN
–0.5V TO +0.5V
1k
0.1 F
5V
AD820
1k
Figure 9. 10-Bit, 40 MSPS A/D Conversion
0
–10
–100
–60
–70
–80
–90
–40
–50
–30
–20
F1 = 4.9MHz
FUNDAMENTAL = 0.6dB
SECOND HARMONIC = 66.9dB
THIRD HARMONIC = 74.7dB
SNR = 55.2dB
NOISE FLOOR = – 86.1dB
ENCODE FREQUENCY = 40MHz
Figure 10. FFT Output of Circuit in Figure 9
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8041ARZ | 制造商:Analog Devices 功能描述:Operational Amplifier (Op-Amp) IC |
| AD8041ARZ-REEL | 功能描述:IC OPAMP VF R-R LP LDIST 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| AD8041ARZ-REEL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:160 MHz Rail-to-Rail Amplifier with Disable |
| AD8041ARZ-REEL7 | 功能描述:IC OPAMP VF R-R LP LDIST 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| AD8041-EB | 制造商:Analog Devices 功能描述: |
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