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參數(shù)資料
| 型號： | AD8041AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | 160 MHz Rail-to-Rail Amplifier with Disable |
| 中文描述： | OP-AMP, 8000 uV OFFSET-MAX, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大小： | 438K |
| 代理商： | AD8041AR |
REV. 0
–12–
AD8041
R2
C3
g
m2
V
OUT
R1
C9
g
m
Vi
S1N
S1P
C7
R1
g
m
Vi
Figure 35. 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
an 2:1 mux as shown in Figure 36 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 approxi-
mately 50 ns to disable the output and 300 ns to enable the
output.
6
4
7
3
2
AD8041
330
50
10μF
+5V
330
8
6
4
7
3
2
AD8041
330
50
10μF
+5V
330
8
13
12
11
10
74HC04
50
G = 2
G = 2
CH0
5MHz
CH1
10MHz
Figure 36. 2:1 Multiplexer
10
0%
1V
200ns
V
S
= +5V
100
90
Figure 37. 2:1 Multiplexer Performance
Single Supply A/D Conversion
Figure 38 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
0.1μF
+5V
AD8041
2.8V – 3.8V
1000
3.3V
+5V
AD9050
10
9
1000
V
IN
–0.5V TO +0.5V
1000
1000
0.1μF
+5V
AD820
Figure 38. 10-Bit, 40 MSPS A/D Conversion
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
–10
–100
–60
–70
–80
–90
–40
–50
–30
–20
F
= 4.9MHz
FUNDAMENTAL = 0.6dB
2nd HARMONIC = 66.9dB
3rd HARMONIC = 74.7dB
SNR = 55.2dB
NOISE FLOOR = – 86.1dB
ENCODE FREQUENCY = 40MHz
Figure 39. FFT Output of Circuit in Figure 38
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8041AR-EBZ | 功能描述:BOARD EVAL FOR AD8041AR RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運(yùn)算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| AD8041AR-REEL | 功能描述:IC OPAMP VF R-R LP LDIST 8SOIC RoHS:否 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 |
| AD8041AR-REEL7 | 功能描述:IC OPAMP VF R-R LP LDIST 8SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:2pA 電壓 - 輸入偏移:1000µV 電流 - 電源:85µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 6 V 工作溫度:-40°C ~ 125°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-SOICN 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:680 (CN2011-ZH PDF) 其它名稱:MCP6L04T-E/SLCT |
| AD8041ARZ | 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:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| AD8041ARZ | 制造商:Analog Devices 功能描述:Operational Amplifier (Op-Amp) IC |
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