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參數(shù)資料
| 型號： | G1201P1UF |
| 廠商： | Global Mixed-mode Technology Inc. |
| 英文描述： | Rail-to-Rail I/O, 100mA Output Single-Supply Amplifiers |
| 中文描述： | 軌至軌I / O，100mA輸出單電源放大器 |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 241K |
| 代理商： | G1201P1UF |
Ver 1.2
Jul 24, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
3
G1201
Global Mixed-mode Technology Inc.
Electrical Characteristics (V
S = +5.0V, VCM = 2.5V, TA=+25°C unless otherwise noted)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
Input Characteristics
Offset Voltage
VOS
---
5
15
mV
Input Bias Current
IB
---
50
500
pA
Input Offset Current
IOS
---
25
250
pA
Input Voltage Range
VCM
0
---
5
V
Common-Mode Rejection Ratio
CMRR
VCM = 0V to 5V
40
65
---
dB
Large Signal Voltage Gain
AVO
RL = 2kΩ
VO = 0.5V to 4.5V
70
90
---
dB
Output Characteristics
Output Voltage High
VOH
IL = 10mA
4.90
4.94
---
V
Output Voltage Low
VOL
IL = 10mA
---
50
100
mV
Output Current
IOUT
---
±100
---
mA
Power Supply
Power Supply Rejection Ratio
PSRR
fi= 1kHz
Vripple(PEAK) = 1V
50
66
---
dB
Supply Current/Amplifier
ISY
VO = 0V
---
3.5
6
mA
Dynamic Performance
Slew Rate
SR
RL = 2kΩ
---
6.2
---
V/
μs
Full-Power Bandwidth
BWp
RL = 32Ω
VO(P-P) = 4.2V
THD = 50dB
---
30
---
kHz
Settling Time
ts
To 0.1%
---
1.3
---
μs
Gain Bandwidth Product
GBP
---
3.5
---
MHz
Channel Separation
CS
f = 1kHz, RL = 32Ω
---
70
---
dB
Total Harmonic Distortion
THD
f = 1kHz, AV = -1 RL = 32Ω, VO(P-P) = 4.3V
---
50
---
dB
Note: Specifications subject to change without notice.
Caution
ESD (electrostatic discharge) sensitive device. Elec-
trostatic charges as high as 2000V readily accumulate
on the human body and test equipment and can dis-
charge without detection.
Although the G1201 feature proprietary ESD protec-
tion circuitry, permanent damage may occur on de-
vices subjected to high-energy electrostatic discharges.
Therefore, proper ESD precautions are recommended
to avoid performance degradation or loss of functionality.
Applications
Theory of Operation
The G1201 is an all-CMOS, high output current drive,
rail-to-rail input/output operational amplifier. Its high
output current drive and stability with heavy capacitive
loads makes the G1201 an excellent choice as a drive
amplifier.
Short-Circuit Protection
As a result of the design of the output stage for maxi-
mum load current capability, the G1201 does not have
any internal short-circuit protection circuitry. Direct
connection of the G1201’s output to the positive sup-
ply in single-supply applications will destroy the device.
In those applications where some protection is needed,
but not at the expense of reduced output voltage
headroom, a low value resistor in series with the out-
put, as shown in Figure 1, can be used. The resistor,
connected within the feedback loop of the amplifier,
will have very little effect on the performance of the
amplifier other than limiting the maximum available
output voltage swing.
Figure 1. Output Short-Circuit Protection
V
IN
+
_
+5V
R
X
20
Ω
V
OUT
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