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參數(shù)資料
型號(hào)： AD8627ARZ-REEL
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 6/20頁(yè)
文件大?。?/td> 0K
描述： IC OPAMP JFET 5MHZ PREC LP 8SOIC
設(shè)計(jì)資源： 4 mA to 20 mA Process Control Loop Using AD5662 (CN0009)
標(biāo)準(zhǔn)包裝： 2,500
放大器類型： J-FET
電路數(shù)： 1
輸出類型： 滿擺幅
轉(zhuǎn)換速率： 5 V/µs
增益帶寬積： 5MHz
電流 - 輸入偏壓： 0.25pA
電壓 - 輸入偏移： 350µV
電流 - 電源： 710µA
電流 - 輸出 / 通道： 15mA
電壓 - 電源，單路/雙路(±)： 5 V ~ 26 V，±2.5 V ~ 13 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： 帶卷 (TR)
AD8625/AD8626/AD8627
Data Sheet
Rev. F | Page 14 of 20
The AD862x can safely withstand input voltages 15 V below
VSY if the total voltage between the positive supply and the input
terminal is less than 26 V. Figure 41 through Figure 43 show the
AD862x in different configurations accommodating signals
close to the negative rail. The amplifier input stage typically
maintains picoamp-level input currents across that input
voltage range.
TIME (2
s/DIV)
03023-040
VOLTAGE
(1V/DIV)
+5V
20k
10k
0V
–2.5V
VSY = 5V, 0V
5V
0V
Figure 41. Gain-of-Two Inverter Response to 2.5 V Step,
Centered 1.25 V below Ground
TIME (2
s/DIV)
03023-041
VOLTAGE
(10mV/DIV)
5V
60mV
20mV
600
0V
VSY = 5V
RL = 600
0V
Figure 42. Unity Gain Follower Response to 40 mV Step,
Centered 40 mV above Ground
TIME (2
s/DIV)
03023-042
VOLTAGE
(10mV/DIV)
+5V
20k
10k
–10mV
–30mV
0V
VSY = 5V
0V
Figure 43. Gain-of-Two Inverter Response to 20 mV Step,
Centered 20 mV below Ground
The AD862x is designed for 16 nV/√Hz wideband input voltage
noise and maintains low noise performance to low frequencies,
as shown in Figure 35. This noise performance, along with the
AD862x’s low input current and current noise, means that the
AD862x contributes negligible noise for applications with large
source resistances.
The AD862x has a unique bipolar rail-to-rail output stage that
swings within 5 mV of the rail when up to 2 mA of current is
drawn. At larger loads, the drop-out voltage increases, as shown
in Figure 17 and Figure 18. The AD862x’s wide bandwidth and
fast slew rate allows it to be used with faster signals than older
single-supply JFETs. Figure 44 shows the response of the
AD862x, configured in unity gain, to a VIN of 20 V p-p at
50 kHz. The full-power bandwidth (FPBW) of the part is close
to 100 kHz.
TIME (5
s/DIV)
03023-043
VOLTAGE
(5V/DIV)
VSY = ±13V
RL = 600
0V
Figure 44. Unity Gain Follower Response to 20 V, 50 kHz Input Signal
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