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PDF ST3DV520 Data sheet ( Hoja de datos )
| Número de pieza | ST3DV520 | |
| Descripción | Datasheet High bandwidth analog switch | |
| Fabricantes | ST Microelectronics | |
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ST3DV520
High bandwidth analog switch with 16-to-8 bit MUX/DEMUX
Preliminary Data
Features
■ Low RON: 5.5 Ω typical
■ VCC operating range: 3.0 to 3.6 V
■ Low current consumption: 20 µA
■ ESD HBM model: > 2 kV
■ Channel on capacitance: 7.5 pf typical
■ Switching time speed: 9 ns
■ Near to zero propagation delay: 250 ps
■ Very low cross talk: -40 db at 250 MHz
■ Bit-to-bit skew: 200 ps
■ > 450 MHz -3db typical bandwidth
■ Package: QFN56
■ Pb free
QFN56
Description
The ST3DV520 is a 16-to-8 bit bidirectional
multiplexer/demultiplexer low RON and high
bandwidth switch suitable for analog video
applications.
The ST3DV520 supports high definition (HD)
analog video switching standards and is also
suitable for general purpose switching that
requires high signal integrity.
The device is designed for very low crosstalk, low
bit-to-bit skew and low I/O capacitance. The
signal from each input is multiplexed into one of
two selected outputs while the unselected switch
goes to HI-Z status.
Table 1. Device summary
Order code
ST3DV520QTR
Package
QFN56
Packing
Tape and reel
October 2008
Rev 2
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to
change without notice.
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ST3DV520
Maximum rating
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Table 5.
DC electrical characteristics (TA = -40 to 85°C, VCC = 3.3 V ±10%)
(continued)
Symbol
Parameter
Test conditions
Min Typ Max Unit
RFLAT ON resistance flatness(1)(2)
VCC = 3.0 V, VIN at 1.5
and VCC
IIN = -40mA
0.8 Ω
ΔRON
ON resistance match between
channel
ΔRON = RONMAX-RONMIN (1)(3)
VCC = 3.0 V, VIN = 1.5 to
VCC
IIN = -40mA
0.5 1 Ω
1. Measured by voltage drop between channels at indicated current trough the switch. ON resistance is
determined by the lower of the voltage.
2. Flatness is defined as the difference between the RONMAX and RONMIN of ON resistance over the specified
range.
3. ΔRON measured at same VCC, temperature and voltage level.
Table 6. Capacitance specifications (TA = 25°C, f = 1 MHz)
Symbol
Parameter
Test conditions
Min Typ Max Unit
CIN
COFF
CON
Input capacitance(1)
Port x0 to Port x1, switch off
Capacitance switch on
(x to x0 or x to x1)
VIN = 0 V
VIN = 0 V
VIN = 0 V
2 3 pF
4 6 pF
7.5 11 pF
1. x = A to H, x0 = A0 to H0, x1 = A1 to H1
Table 7.
Symbol
Power supply characteristics (TA = -40 to 85°C)
Parameter
Test conditions
Min Typ Max Unit
ICC Quiescent power supply
VCC = 3.6 V
VIN = VCC or GND
150 500 µA
Table 8.
Symb
ol
Dynamic electrical characteristics (TA = -40 to 85°C, VCC = 3.3V ±10%)
Parameter
Test Conditions
Min Typ Max Unit
Xtalk
OIRR
BW
Crosstalk
Off isolation
-3dB bandwidth
RL= 100 Ω, f = 250 MHz
RL= 100 Ω, f = 250 MHz
RL= 100 Ω
-40 dB
-36 dB
450 MHz
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| PDF Descargar | [ Datasheet ST3DV520.PDF ] | |
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