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參數(shù)資料
| 型號(hào)： | OP2177ARZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 8/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP GP 1.3MHZ DUAL LN 8SOIC |
| 設(shè)計(jì)資源： | 16-Bit Fully Isolated Voltage Output Module Using AD5662, ADuM1401, and External Amplifiers (CN0063) |
| 標(biāo)準(zhǔn)包裝： | 98 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 2 |
| 轉(zhuǎn)換速率： | 0.7 V/µs |
| 增益帶寬積： | 1.3MHz |
| 電流 - 輸入偏壓： | 500pA |
| 電壓 - 輸入偏移： | 15µV |
| 電流 - 電源： | 400µA |
| 電流 - 輸出 / 通道： | 10mA |
| 電壓 - 電源，單路/雙路(±)： | 5 V ~ 36 V，±2.5 V ~ 18 V |
| 工作溫度： | -40°C ~ 125°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： | 772 (CN2011-ZH PDF) |
OP1177/OP2177/OP4177
Rev. G | Page 16 of 24
OP1177
6
7
2
3
4
V+
V–
R2
100k
VOUT
10k
R1
1k
+
–
200mV
0
26
27-
05
4
Figure 54. Test Circuit for Overload Recovery Time
Figure 18 shows the positive overload recovery time of the
OP1177. The output recovers in less than 4 μs after being
overdriven by more than 100%.
The negative overload recovery of the OP1177 is 1.4 μs, as seen
in Figure 19.
THD + NOISE
The OPx177 has very low total harmonic distortion. This indicates
excellent gain linearity and makes the OPx177 a great choice for
high closed-loop gain precision circuits.
Figure 55 shows that the OPx177 has approximately 0.00025%
distortion in unity gain, the worst-case configuration for distortion.
FREQUENCY (Hz)
T
HD
+
N
(
%
)
100
1k
0.001
0.01
20
6k
0.0001
0.1
0
262
7-
0
55
VSY = ±15V
RL = 10k
BW = 22kHz
Figure 55. THD + N vs. Frequency
CAPACITIVE LOAD DRIVE
OPx177 is inherently stable at all gains and capable of driving
large capacitive loads without oscillation. With no external
compensation, the OPx177 safely drives capacitive loads up to
1000 pF in any configuration. As with virtually any amplifier,
driving larger capacitive loads in unity gain requires additional
circuitry to assure stability.
In this case, a snubber network is used to prevent oscillation
and reduce the amount of overshoot. A significant advantage of
this method is that it does not reduce the output swing because
the Resistor RS is not inside the feedback loop.
Figure 56 is a scope shot of the output of the OPx177 in response
to a 400 mV pulse. The load capacitance is 2 nF. The circuit is
configured in positive unity gain, the worst-case condition for
stability.
As shown in Figure 58, placing an R-C network parallel to the
load capacitance (CL) allows the amplifier to drive higher values
of CL without causing oscillation or excessive overshoot.
There is no ringing, and overshoot is reduced from 27% to 5%
using the snubber network.
capacitive loads, up to 200 nF. Values for other capacitive loads can
be determined experimentally.
Table 5. Optimum Values for Capacitive Loads
CL
RS
CS
10 nF
20 Ω
0.33 μF
50 nF
30 Ω
6.8 nF
200 nF
200 Ω
0.47 μF
0
GND
V
O
LT
A
GE
(
20
0m
V
/D
IV
)
TIME (10s/DIV)
VSY = ±5V
RL = 10k
CL = 2nF
0
26
27
-05
6
Figure 56. Capacitive Load Drive Without Snubber
GND
VO
LT
A
G
E
(
200mV
/DI
V
)
TIME (10s/DIV)
VSY = ±5V
RL = 10k
RS = 200
CL = 2nF
CS = 0.47F
0
26
27
-05
7
Figure 57. Capacitive Load Drive with Snubber
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OP2177ARZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Low Noise, Low Input Bias Current Operational Amplifiers |
| OP2177ARZ-REEL | 功能描述:IC OPAMP GP 1.3MHZ DUAL LN 8SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 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:帶卷 (TR) |
| OP2177ARZ-REEL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Low Noise, Low Input Bias Current Operational Amplifiers |
| OP2177ARZ-REEL7 | 功能描述:IC OPAMP GP 1.3MHZ DUAL LN 8SOIC 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 |
| OP2177ARZ-REEL71 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Precision Low Noise, Low Input Bias Current Operational Amplifiers |
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