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參數(shù)資料
| 型號(hào)： | AD8058ARM-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Low Cost, High Performance Voltage Feedback, 325 MHz Amplifiers |
| 中文描述： | DUAL OP-AMP, 5000 uV OFFSET-MAX, PDSO8 |
| 封裝： | MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 184K |
| 代理商： | AD8058ARM-REEL |
AD8057/AD8058
–11–
REV. A
FREQUENCY – Hz
100
10
0.110
100M
100
I
N
H
1k
10k
100k
1
1M
10M
Figure 37. Current Noise vs. Frequency
FREQUENCY – MHz
100
10
0.1
0.1
1000
1
Z
O
V
10
100
1
Figure 38. Output Impedance vs. Frequency
APPLICATIONS
Driving Capacitive Loads
When driving a capacitive load, most op amps will exhibit over-
shoot in their pulse response.
Figure 39 shows the relationship between the capacitive load that
results in 30% overshoot and closed loop gain of an AD8058. It can
be seen that, under the Gain = +2 condition, the device is stable
with capacitive loads of up to 69 pF.
In general, to minimize peaking or to ensure device stability for
larger values of capacitive loads, a small series resistor, R
S
, can
be added between the op amp output and the load capacitor, C
L
,
as shown in Figure 40.
For the setup shown in Figure 40, the relationship between R
S
and C
L
was empirically derived and is shown in Table I.
CLOSED-LOOP GAIN
500
400
0
1
5
2
L
3
4
300
200
100
R
S
= 2.4
V
R
S
= 0
V
Figure 39. Capacitive Load Drive vs. Closed-Loop Gain
Table I. Recommended Value for Resistors R
S
, R
F
, R
G
vs.
Capacitive Load, C
L
, Which Results in 30% Overshoot
Gain
1
2
3
4
5
10
R
F
100
100
100
100
100
100
R
G
C
L
w/R
S
= 0
V
C
L
w/R
S
= 2.4
V
11
13
51
69
104
153
186
245
500
870
1580
100
50
33.2
25
11
–2.5V
R
G
50k
V
V
IN
= 200mV p-p
AD8058
0.1
m
F
10
m
F
0.1
m
F
10
m
F
+2.5V
R
F
C
L
R
S
V
OUT
FET PROBE
Figure 40. Capacitive Load Drive Circuit
100mV
50ns/DIV
200mV
–100mV
–200mV
+ OVERSHOOT
29.0%
100mV
Figure 41. Typical Pulse Response with C
L
= 65 pF,
Gain = +2, and V
S
=
±
2.5 V
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| AD8058ARM-REEL7 | 功能描述:IC OPAMP VF DUAL LN LP 8MSOP 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 |
| AD8058ARMZ | 功能描述:IC OPAMP VF DUAL LN LP 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| AD8058ARMZ | 制造商:Analog Devices 功能描述:OP-AMP, VOLTAGE FEEDBACK, 325MHZ, 1150V/ |
| AD8058ARMZ-REEL | 功能描述:IC OPAMP VF DUAL LN LP 8MSOP 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 |
| AD8058ARMZ-REEL7 | 功能描述:IC OPAMP VF DUAL LN LP 8MSOP 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 |
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