鈥?/div>
Active Filter
ADC Driver
Ultrasound
Gamma Camera
RF/Telecom
DESCRIPTION
The THS4304 is a wideband, voltage-feedback operational amplifier designed for use in high-speed analog
signal-processing chains operating with a single 5-V power supply. Developed in the BiCom3 silicon germanium
process technology, the THS4304 offers best-in-class performance using a single 5-V supply as opposed to
previous generations of operational amplifiers requiring
卤5-V
supplies.
The THS4304 is a traditional voltage-feedback topology that provides the following benefits: balanced inputs, low
offset voltage and offset current, low offset drift, high common mode and power supply rejection ratio.
The THS4304 is offered in 8-pin MSOP package (DGK), the 8-pin SOIC package (D), and the space-saving 5-pin
SOT-23 package (DBV).
DIFFERENTIAL ADC DRIVE
+5V
10 k
鈩?/div>
V REF (= 2.5V)
RG
V REF
+5V
85
+3.3 VA +3.3 VD
dB
RF
10 k鈩?/div>
0.1
碌F
Combined THS4304 and
ADS5500 SFDR
90
V IN
1: 1
V REF
49 .9
鈩?/div>
THS 4304
100
鈩?/div>
+5V
THS 4304
100
鈩?/div>
1nF
CM
0.1
碌F
1nF
CM
1k
鈩?/div>
1k
鈩?/div>
A IN+
ADS 5500
A IN鈭?/div>
CM
D
A
80
G = 10 dB,
R
F
= 249
鈩?
R
G
= 115
鈩?
SNR = 69.6,
F
S =
125 MSPS
10
20
30
40
50
From
50鈭掆劍
source
75
V REF
RG
RF
f 鈭?Frequency 鈭?MHz
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 2004, Texas Instruments Incorporated
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