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參數(shù)資料
| 型號(hào)： | BUF634PG4 |
| 英文描述： | 250mA HIGH-SPEED BUFFER |
| 中文描述： | 250mA的高速緩沖 |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大小： | 256K |
| 代理商： | BUF634PG4 |
BUF634
9
HIGH FREQUENCY APPLICATIONS
The BUF634’s excellent bandwidth and fast slew rate make it
useful in a variety of high frequency open-loop applications.
When operated open-loop, circuit board layout and bypassing
technique can affect dynamic performance.
For best results, use a ground plane type circuit board layout
and bypass the power supplies with 0.1
μ
F ceramic chip
capacitors at the device pins in parallel with solid tantalum
10
μ
F capacitors. Source resistance will affect high-frequency
peaking and step response overshoot and ringing. Best
response is usually achieved with a series input resistor of
25
to 200
, depending on the signal source. Response
with some loads (especially capacitive) can be improved
with a resistor of 10
to 150
in series with the output.
OP AMP
RECOMMENDATIONS
OPA177, OPA1013
OPA111, OPA2111
OPA121, OPA234
(1)
,
OPA130
(1)
Use Low I
Q
mode. G = 1 stable.
OPA27, OPA2107
OPA602, OPA131
(1)
Low I
Q
mode is stable. Increasing C
L
may cause
excessive ringing or instability. Use Wide BW mode.
OPA627, OPA132
(1)
Use Wide BW mode, C
1
= 200pF. G = 1 stable.
Use Wide BW mode. These op amps are not G = 1
stable. Use in G > 4.
OPA637, OPA37
NOTE: (1) Single, dual, and quad versions.
OPA
NOTE: (1) C
not required
for most common op amps.
Use with unity-gain stable
high speed op amps.
V
IN
V
O
V+
V–
BUF634
C
1(1)
Wide BW mode
(if required)
BW
FIGURE 5. High Performance Headphone Driver.
FIGURE 8. Bridge-Connected Motor Driver.
1/2
OPA2234
9k
BUF634
1k
V
IN
±1V
Motor
1/2
OPA2234
BUF634
10k
10k
±20V
at 250mA
FIGURE 7. Current-Output Valve Driver.
OPA177
BUF634
Valve
V
IN
±2V
10
I
O
= ±200mA
FIGURE 4. Boosting Op Amp Output Current.
C
(1)
C
(1)
pseudo
ground
+
12V
–
BUF634
10k
10μF
+24V
10k
+
12V
–
NOTE: (1) System bypass capacitors.
+
FIGURE 6. Pseudo-Ground Driver.
OPA132
Drives headphones
or small speakers.
5k
BUF634
100k
1μF
R
L
= 100
f
1kHz
20kHz
THD+N
0.015%
0.02%
250
G = +21
V
IN
V–
BW
V+
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BUF634T | 功能描述:高速運(yùn)算放大器 250mA High-Speed Buffer RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| BUF634T | 制造商:Texas Instruments 功能描述:AMP BUFFER HIGH SPEED SMD TO/SOT5 |
| BUF634TG3 | 功能描述:高速運(yùn)算放大器 250mA High-Speed Buffer RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| BUF634U | 功能描述:高速運(yùn)算放大器 High-Speed Buffer RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| BUF634U | 制造商:Texas Instruments 功能描述:IC SM AMP BUFFER HIGH SPEED 制造商:Texas Instruments 功能描述:IC, HIGH SPEED BUFFER, SGL, 180MHZ SOIC8 |
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