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LMH6644

LMH6644首页预览图
型号: LMH6644
PDF文件:
  • LMH6644 PDF文件
  • LMH6644 PDF在线浏览
功能描述: LMH6642/LMH6643/LMH6644 Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers
PDF文件大小: 1568.83 Kbytes
PDF页数: 共32页
制造商: TI[Texas Instruments]
制造商LOGO: TI[Texas Instruments] LOGO
制造商网址: http://www.ti.com
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PDF页面索引
100%
LMH6642, LMH6643, LMH6644
www.ti.com
SNOS966P MAY 2001REVISED MARCH 2013
LMH6642/LMH6643/LMH6644 Low Power, 130MHz, 75mA Rail-to-Rail Output Amplifiers
Check for Samples: LMH6642, LMH6643, LMH6644
1
FEATURES
DESCRIPTION
The LMH664X family true single supply voltage
2
(V
S
= ±5V, T
A
= 25°C, R
L
= 2k, A
V
= +1. Typical
feedback amplifiers offer high speed (130MHz), low
Values Unless Specified).
distortion (62dBc), and exceptionally high output
3dB BW (A
V
= +1) 130MHz
current (approximately 75mA) at low cost and with
Supply Voltage Range 2.7V to 12.8V
reduced power consumption when compared against
existing devices with similar performance.
Slew Rate
(1)
, (A
V
= 1) 130V/µs
Input common mode voltage range extends to 0.5V
Supply Current (no load) 2.7mA/amp
below V
and 1V from V
+
. Output voltage range
Output Short Circuit Current +115mA/145mA
extends to within 40mV of either supply rail, allowing
Linear Output Current ±75mA
wide dynamic range especially desirable in low
Input Common Mode Volt. 0.5V Beyond V
, 1V
voltage applications. The output stage is capable of
approximately 75mA in order to drive heavy loads.
from V
+
Fast output Slew Rate (130V/µs) ensures large peak-
Output Voltage Swing 40mV from Rails
to-peak output swings can be maintained even at
Input Voltage Noise (100kHz) 17nV/Hz
higher speeds, resulting in exceptional full power
Input Current Noise (100kHz) 0.9pA/Hz
bandwidth of 40MHz with a 3V supply. These
characteristics, along with low cost, are ideal features
THD (5MHz, R
L
= 2k, V
O
= 2V
PP
, A
V
= +2)
for a multitude of industrial and commercial
62dBc
applications.
Settling Time 68ns
Careful attention has been paid to ensure device
Fully Characterized for 3V, 5V, and ±5V
stability under all operating voltages and modes. The
Overdrive Recovery 100ns
result is a very well behaved frequency response
characteristic (0.1dB gain flatness up the 12MHz
Output Short Circuit Protected
(2)
under 150 load and A
V
= +2) with minimal peaking
No Output Phase Reversal with CMVR
(typically 2dB maximum) for any gain setting and
Exceeded
under both heavy and light loads. This along with fast
settling time (68ns) and low distortion allows the
APPLICATIONS
device to operate well in ADC buffer, and high
frequency filter applications as well as other
Active Filters
applications.
CD/DVD ROM
This device family offers professional quality video
ADC Buffer Amp
performance with low DG (0.01%) and DP (0.01°)
Portable Video
characteristics. Differential Gain and Differential
Current Sense Buffer
Phase characteristics are also well maintained under
heavy loads (150) and throughout the output
(1) Slew rate is the average of the rising and falling slew rates.
voltage range. The LMH664X family is offered in
(2) Output short circuit duration is infinite for V
S
< 6V at room
single (LMH6642), dual (LMH6643), and quad
temperature and below. For V
S
> 6V, allowable short circuit
duration is 1.5ms. (LMH6644) options.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2001–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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