VFC101, VFC101JN, VFC101N Selling Leads, Datasheet
MFG:BB Package Cooled:3000 D/C:01+
VFC101, VFC101JN, VFC101N Datasheet download
Part Number: VFC101
MFG: BB
Package Cooled: 3000
D/C: 01+
VFC101, VFC101JN, VFC101N
- Table of contents:
Info of VFC101
Info of VFC101JN
Info of VFC101N
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About VFC101
PDF/DataSheet Download
Datasheet: VFC101
File Size: 140046 KB
Manufacturer: BURR-BROWN [Burr-Brown Corporation]
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About VFC101JN
PDF/DataSheet Download
Datasheet: VFC101JN
File Size: 140046 KB
Manufacturer: BURR-BROWN [Burr-Brown Corporation]
Download : Click here to Download
About VFC100
PDF/DataSheet Download
Datasheet: VFC100
File Size: 210380 KB
Manufacturer: BURR-BROWN [Burr-Brown Corporation]
Download : Click here to Download
VFC101 General Description
The VFC101 voltage-to-frequency converter uses the proven charge-balance technique with internal digital logic to control the critical reference integration period. Reference timing is derived from an external clock signal which accurately sets the full-scale frequency. This technique eliminates the errors and drift from external timing components which are required with other VFCs.
Internal resistors provide accurate full-scale input ranges of 5V, 8V or 10V inputs without external resistors or trimming. An accurate 5V reference voltage output is useful for bridge or sensor excitation. With simple pin interconnections, it can provide halfscale offset to allow bipolar input voltages.
The open-collector frequency output interfaces easily to CMOS or TTL circuitry. Output one-shot circuitry may be used to optimize the output pulse width for optical couplers or transformers.
The VFC101 is packaged in a surface-mount 20-pin PLCC (plastic leaded chip carrier) package.
VFC101 Maximum Ratings
Power Supply Voltage (+VCC to VCC) ......................... 36V
+VCC to Analog Common .............................................. 28V
VCC to Analog Common ............................................. 28V
Integrator Out Short-Circuit to Ground ................ Indefinite
Integrator Differential Input ....................................... ±10V
Integrator Common-Mode Input .............. VCC +5V to +2V
VIN (pins 7, 8, 9, 10) .................................................. ±VCC
Clock Input ................................................................. ±VCC
VREF Out Short-Circuit to Ground ......................... Indefinite
COS (Pin 12) ........................................................ 0 to +VCC
fOUT (referred to digital common) ...................0.5V to 36V
Digital Common .......................................................... ±VCC
Storage Temperature Range ..................... 65 to +150
Lead Temperature (soldering, 10s) .......................... +300
+VCC to Analog Common .............................................. 28V
VCC to Analog Common ............................................. 28V
Integrator Out Short-Circuit to Ground ................ Indefinite
Integrator Differential Input ....................................... ±10V
Integrator Common-Mode Input .............. VCC +5V to +2V
VIN (pins 7, 8, 9, 10) .................................................. ±VCC
Clock Input ................................................................. ±VCC
VREF Out Short-Circuit to Ground ......................... Indefinite
COS (Pin 12) ........................................................ 0 to +VCC
fOUT (referred to digital common) ...................0.5V to 36V
Digital Common .......................................................... ±VCC
Storage Temperature Range ..................... 65 to +150
Lead Temperature (soldering, 10s) .......................... +300
VFC101 Features
`FULL-SCALE FREQUENCY SET BY SYSTEM CLOCK
` MULTIPLE INPUT RANGES: 5V, 8V, 10V Full Scale
` ACCURATE 5V REFERENCE VOLTAGE
` LOW NONLINEARITY: 0.02% max at 100kHz FS
` LOW GAIN DRIFT: 40ppm/
` MULTIPLE INPUT RANGES: 5V, 8V, 10V Full Scale
` ACCURATE 5V REFERENCE VOLTAGE
` LOW NONLINEARITY: 0.02% max at 100kHz FS
` LOW GAIN DRIFT: 40ppm/
VFC101 Typical Application
· INTEGRATING A/D CONVERTER
·MULTICHANNEL DATA ACQUISITION
· FREQUENCY-TO-VOLTAGE CONVERSION
·VOLTAGE ISOLATION
·MULTICHANNEL DATA ACQUISITION
· FREQUENCY-TO-VOLTAGE CONVERSION
·VOLTAGE ISOLATION
VFC101 Connection Diagram
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