VCA2614Y/250 ,Dual Variable-Gain Amplifier With Low Noise Pre-AmpELECTRICAL CHARACTERISTICSAt T = +25°C, V = 5V, load resistance = 500Ω on each output to ground dif ..
VCA2615 ,2-Channel Variable Gain AmplifierELECTRICAL CHARACTERISTICS (continued)All specifications at T = +25°C, V = 5V, load resistance = 50 ..
VCA2615PFBR ,2-Channel Variable Gain Amplifier 48-TQFP -40 to 85features makes it well-suited for a variety of ultrasound− Programmable Gains: 3, 12, 18, 22dBsyst ..
VCA2615RGZR ,2-Channel Variable Gain Amplifier 48-VQFN -40 to 85MAXIMUM RATINGSTexas Instruments recommends that allPower Supply (V ) . . . . . . . . . . . . . . . ..
VCA2615RGZT ,2-Channel Variable Gain Amplifier 48-VQFN -40 to 85Maximum Ratingsmay cause permanent damage. Exposure to absolute maximum parametric changes could ca ..
VCA2616YR ,Dual, Variable Gain Amlifier w/Low Noise Pre-AmpPIN CONFIGURATIONTop View TQFP48 47 46 45 44 43 42 41 40 39 38 371 36V A V BDD DD2 35NC NC3 34NC NC ..
W29C102Q-70 , 64K 16 CMOS FLASH MEMORY
W29C512AT-90 , 64 K x 8 CMOS FLASH MEMORY
W29EE011 , 128K X 8 CMOS FLASH MEMORY
W29EE011P-15 , 128K X 8 CMOS FLASH MEMORY
W29EE011P-15 , 128K X 8 CMOS FLASH MEMORY
W29EE011P-90 , 128K X 8 CMOS FLASH MEMORY
VCA2614Y/250
Dual Variable-Gain Amplifier With Low Noise Pre-Amp
FEA TURES GAIN RANGE: 40dB 40MHz BANDWIDTH LOW CROSSTALK: 70dB at Max Gain, 5MHz HIGH-SPEED VARIABLE GAIN ADJUST POWER SHUTDOWN MODE HIGH IMPEDANCE INPUT BUFFER
APPLICA TIONS ULTRASOUND SYSTEMS GAMMA CAMERAS WIRELESS RECEIVERS TEST EQUIPMENT
VCA2614
Dual, VARIABLE GAIN AMPLIFIER
with Input Buffer
DESCRIPTIONThe VCA2614 is a highly integrated, dual receive channel,
Variable Gain Amplifier (VGA) with analog gain control.
The VCA2614’s VGA section consists of two parts: the Volt-
age Controlled Attenuator (VCA) and the Programmable Gain
Amplifier (PGA). The gain and gain range of the PGA can be
digitally programmed. The combination of these two program-
mable elements results in a variable gain ranging from 0dB up
to a maximum gain as defined by the user through external
connections. The single-ended unity gain input buffer provides
predictable high input impedance. The output of the VGA can
be used in either a single-ended or differential mode to drive
high-performance Analog-to-Digital Converters (ADCs). A sepa-
rate power-down pin reduces power consumption.
The VCA2614 also features low crosstalk and outstanding
distortion performance. The combination of low noise and gain
range programmability makes the VCA2614 a versatile build-
ing block in a number of applications where noise perfor-
mance is critical. The VCA2614 is available in a TQFP-32
package.
INA
VCACNTL
CP2A CP1A
POUTA
NOUTA
MGS1
MGS2
MGS3
Maximum
Gain SelectINB
CP2B CP1B
POUTB
NOUTB
SBOS185D – JANUARY 2001 – REVISED MARCH 2003
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
