鈥?/div>
Fully Differential Architecture
Centered Input Common-mode Range
Minimum Gain of 1V/V (0 dB)
Bandwidth: 1600 MHz
Slew Rate: 5100 V/碌s
1% Settling Time: 2.9 ns
HD
2
: 鈥?5 dBc at 70 MHz
HD
3
: 鈥?6 dBc at 70 MHz
OIP
2
: 77 dBm at 70 MHz
OIP
3
: 42 dBm at 70 MHz
Input Voltage Noise: 2.2 nV/鈭欻z (f >10 MHz)
Noise Figure: 19.8 dB
Output Common-Mode Control
Power Supply:
鈥?Voltage: 3 V (鹵1.5 V) to 5 V (鹵2.5 V)
鈥?Current: 37.7 mA
Power-Down Capability: 0.65 mA
DESCRIPTION
The THS4513 is a wideband, fully differential op amp
designed for 3.3鈥? V data acquisition systems. It has
very low noise at 2.2 nV/鈭欻z, and extremely low
harmonic distortion of 鈥?5 dBc HD
2
and 鈥?6 dBc HD
3
at 70 MHz with 2-Vpp output, G = 0 dB, and 200-鈩?/div>
load. Slew rate is very high at 5100 V/碌s and with
settling time of 2.9 ns to 1% (2 V step) it is ideal for
pulsed applications. It is designed for minimum gain
of 0 dB.
To allow for dc coupling to ADCs, its unique output
common-mode control circuit maintains the output
common-mode voltage within 5 mV offset (typ) from
the set voltage, when set within 0.5 V of mid-supply,
with less than 4 mV differential offset voltage. The
common-mode set point is set to mid-supply by
internal circuitry, which may be over-driven from an
external source.
The input and output are optimized for best perform-
ance with their common-mode voltages set to
mid-supply. Along with high performance at low
power supply voltage, this makes for extremely high
performance single supply 5 V data acquisition sys-
tems.
The THS4513 is offered in a Quad 16-pin leadless
QFN package (RGT), and is characterized for oper-
ation over the full industrial temperature range from
鈥?0擄C to 85擄C.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
APPLICATIONS
5 V Data Acquisition Systems High
Linearity ADC Amplifier
Wireless Communication
Medical Imaging
Test and Measurement
60 MHz Low-Pass Filter
6.8 pf
0
-2
-4
Low-Pass Filter Response
0.22
m
f
340
W
THS4513
CM
-2.5 V
25
W
25
W
1:1
V
OUT
Gain (dB)
50-W
Single-
Ended
AC-Coupled
Source
V
IN
340
W
56.2
W
348
W
2.5 V
To 50
W
Test
Equipment
-6
-8
-10
-12
-14
-16
-18
-20
0.1
m
f
0.1
m
f
50
W
0.22
m
f
56.2
W
0.22
m
f
-22
-24
-26
0.1
348
W
6.8 pf
1
10
100
f - Frequency (MHz)
1000
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2005, Texas Instruments Incorporated
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