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LM4992 Datasheet(PDF) 1 Page - Texas Instruments

Part # LM4992
Description  420mW Stereo Cell Phone Audio Amplifier
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM4992 Datasheet(HTML) 1 Page - Texas Instruments

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background image
50W
50W
200W
V
OCM
200W
V
IN-
V
IN+
30MHz
Bandpass
Filter
THS770012
R
O
V
OCM
R
O
16-Bit ADC
A
IN-
A
IN+
(G=12dB)
0
60
Frequency - MHz
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
25
30 35
5
15
20
55
40
45 50
10
65
THS770012
www.ti.com
SLOS669C
– FEBRUARY 2010 – REVISED JANUARY 2012
Broadband, Fully-Differential, 14-/16-Bit ADC Driver Amplifier
Check for Samples: THS770012
1
FEATURES
DESCRIPTION
The THS770012 is a wideband, fully-differential
23
900MHz Bandwidth at Gain of +10dB
amplifier, with adjustable gain range from +10dB to
3300V/
µs Slew Rate, VOUT = 2V step
+13.7dB (with external components). It is designed
Adjustable Gain: +10dB to +13.7dB
and
optimized
specifically
for
driving
16-bit
analog-to-digital
converters
(ADCs)
at
input
IMD3: –100dBc, VOUT = 2VPP, RL = 400Ω,
frequencies up to 130MHz, and 14-bit ADCs at input
f = 100MHz
frequencies up to 200MHz. This device provides high
OIP3: 47dBm, f = 100MHz
bandwidth, high-voltage output with low distortion and
Noise Figure: 10.7 dB, f = 100MHz
low noise, critical in high-speed data acquisition
systems that require very high dynamic range, such
as wireless base stations and test and measurement
APPLICATIONS
applications. This device also makes an excellent
14-/16-Bit ADC Driver
differential amplifier for general-purpose, high-speed
ADC Driver for Wireless Base Station Signal
differential
signal
chain
and
short
line
driver
Chains: GSM, WCDMA, MC-GSM, LTE
applications.
ADC Driver for High Dynamic Range Test and
The THS770012 operates on a nominal +5V single
Measurement Equipment
supply, offers very fast, 7.5ns maximum recovery
time
from
overdrive
conditions,
and
has
a
Figure 1. THS770012 Driving 16-Bit ADC
power-down mode for power saving. The THS770012
is offered in a Pb-free (RoHS compliant) and green,
QFN-24
thermally-enhanced
package.
It
is
characterized
for
operation
over
the
industrial
temperature range of
–40°C to +85°C.
RELATED DEVICES
DEVICE
DESCRIPTION
Fixed Gain of +6dB, wideband, low-noise,
THS770006
low-distortion, fully-differential amplifier
Wideband, low-noise, low-distortion,
THS4509
Figure 2. FFT Plot with Two-Tone Input at 96MHz
fully-differential amplifier
and 100MHz (see Application Information section)
Wideband, low-noise, low-distortion,
PGA870
fully-differential, digitally-programmable
gain amplifier
ADS5481 to
16-bit, 80MSPS to 200MSPS ADCs
ADS5485
ADS6145
14-bit, 125MSPS ADC
ADS6149
14-bit, 250MSPS ADC
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.
2
PowerPAD is a trademark of Texas Instruments.
3
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright
© 2010–2012, 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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