|Category||Communication => Network => Switches => Digital Crosspoint Switches|
|Description||400MHz, 4 X 1 Video Crosspoint Switch|
|Datasheet||Download HA4314B datasheet
The is a very wide bandwidth x 1 crosspoint switch ideal for professional video switching, HDTV, computer monitor routing, and other high performance applications. The circuit features very low power dissipation (105mW Enabled, 4mW Disabled), excellent differential gain and phase, and very high off isolation. When disabled, the output is switched to a high impedance state, making the HA4314B ideal for routing matrix equipment. The HA4314B requires no external current source, and features fast switching and symmetric slew rates. For crosspoint with Tally outputs (channel indicators) or with synchronous control signals, please refer to the HA4404B and HA4344B data sheets, respectively. For audio channels requiring larger signal swings, please refer to the x 8) data sheet.Features
Low Power Dissipation. 105mW Symmetrical Slew Rates. 1400V/µs 0.1dB Gain Flatness. 100MHz -3dB Bandwidth. 400MHz Off Isolation (100MHz). 70dB Crosstalk Rejection (30MHz). 80dB Differential Gain and Phase. 0.01%/0.01 Degrees High ESD Rating. >2000V TTL Compatible Control Inputs Improved Replacement for GX4314 and GX4314LApplications
Professional Video Switching and Routing HDTV Computer Graphics RF Switching and Routing PCM Data Routing
TEMP. PART NUMBER RANGE (oC) to 70 PACKAGE 14 Ld PDIP 14 Ld SOIC Tape and Reel 16 Ld SSOP PKG. NO. M14.15 M16.15ANOTE: These pins must be left floating or connected to ground.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved
Voltage Between V+ and V-. 12V Input Voltage. VSUPPLY Digital Input Current (Note 2). ±25mA Analog Input Current (Note 2). ±5mA Output Current. 20mA ESD Rating Human Body Model (Per MIL-STD-883 Method 3015.7).2000V
PDIP Package. 95 SOIC Package. 120 SSOP Package. 140 Maximum Junction Temperature (Die). 175oC Maximum Junction Temperature (Plastic Package). 150oC Maximum Storage Temperature Range. to 150oC Maximum Lead Temperature (Soldering 10s). 300oC (SOIC and SSOP - Lead Tips Only)
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES: JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details. If an input signal is applied before the supplies are powered up, the input current must be limited to these maximum values.
VSUPPLY = 10k, VCS = 0.8V, Unless Otherwise Specified TEST CONDITIONS (NOTE 4) TEMP. (oC) Full VCS = 0.8V VCS = 0.8V VCS = 2.0V VCS = 2.0V Full 25 Full 4V 1VP-P Full 25 Full = 49pF MIN TYP MAX UNITS µA mV µV/oC µA dB MHzDC SUPPLY CHARACTERISTICS Supply Voltage Supply Current (VOUT = 0V)
ANALOG DC CHARACTERISTICS Output Voltage Swing without Clipping Output Current Input Bias Current Output Offset Voltage Output Offset Voltage Drift (Note 3) SWITCHING CHARACTERISTICS Turn-On Time Turn-Off Time Output Glitch During Switching DIGITAL DC CHARACTERISTICS Input Logic High Voltage Input Logic Low Voltage Input Current AC CHARACTERISTICS Insertion Loss Channel-to-Channel Insertion Loss Match -3dB Bandwidth VOUT = VIN ± VIO ± 20mV
PARAMETER ±0.1dB Flat Bandwidth VSUPPLY = 10k, VCS = 0.8V, Unless Otherwise Specified (Continued) TEST CONDITIONS = 49pF Input Resistance Input Capacitance Enabled Output Resistance Disabled Output Capacitance Differential Gain Differential Phase Off Isolation Crosstalk Rejection Slew Rate (1.5VP-P, +SR/-SR) VCS 2.0V 4.43MHz, Note 3 4.43MHz, Note 1VP-P, 100MHz, VCS = 49pF Total Harmonic Distortion Disabled Output Resistance NOTES: 3. This parameter is not tested. The limits are guaranteed based on lab characterization, and reflect lot-to-lot variation. 4. Units are 100% tested at 25oC; Guaranteed but not tested at 0oC and = 1k, Note 3 VCS = 2.0V (NOTE 4) TEMP. (oC) Full 25 Full MIN 200 TYP MAX 0.02 0.1 UNITS MHz pF % Degrees dB V/µs % M
Keep input and output traces as short as possible, because trace inductance and capacitance can easily become the performance limiting items.
The frequency response of this circuit depends greatly on the care taken in designing the PC board. The use of low inductance components such as chip resistors and chip capacitors is strongly recommended, while a solid ground plane is a must! Attention should be given to decoupling the power supplies. A large value (10µF) tantalum in parallel with a small value (0.1µF) chip capacitor works well in most cases.
The HA4314B is crosspoint switch that is ideal for the matrix element of high performance switchers and routers. This crosspoint's low input capacitance and high input resistance provide excellent video terminations when used with an external 75 resistor. Nevertheless, if several HA4314B inputs are connected together, the use of an input buffer should be considered (see Figure 1). This crosspoint contains no feedback or gain setting resistors, so the output is a true high impedance load when the IC is disabled (CS = 1).
All GND pins are connected to a common point on the die, so any one of them will suffice as the functional GND connection. For the best isolation and crosstalk rejection, however, all GND pins must connect to the GND plane.
Most applications utilizing the HA4314B require a series output resistor, RS, to tune the response for the specific load
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