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Line 142: − | ANODE − | large − | set by external resistor − | Temperature sensing diode − | Diode drop varies w/ temperature. Requires external current limiting resistor. + + + + + + + + + + + + + + + + + − === -5V supply ===+ − Use for:+ − *AD5535 DAC+ − **V- amplifier supply pins+ + + + + + + + + + + + + + − === +210V supply ===+ − Use for:+ − *AD5535 DAC+ − **VPP high voltage supply+ − ***Using this high voltage will allow for large adjustments of the SiPM amplifier bias voltages. Large variations may be necessary because the MATLAB model showed that adjustments between 0 and +50V had [[SiPM_Amplifier#Bias_voltage |no effect]] on the SiPM.+ + + + + + + + + + + + +
SiPM digital control board power supplies (view source)
Revision as of 14:47, 26 June 2008
, 14:47, 26 June 2008no edit summary
| Auxiliary power supply
| Auxiliary power supply
| FPGA program greatly affects power requirements
| FPGA program greatly affects power requirements
|-
| XCF01S
| VCCINT
| ±0.3V
| 10mA max operating
| Internal supply
|
|-
| XCF01S
| VCCO
| ±0.3V
| 10mA max operating
| Digital output supply
| Serial mode
|-
|-
|}
|}
=== ICs requiring 2.5V ===
=== ICs requiring +2.5V ===
{| cellspacing=3 border=1 |
{| cellspacing=3 border=1 |
|'''IC Name'''
|'''IC Name'''
|-
|-
|}
|}
=== ICs requiring +1.2V ===
{| cellspacing=3 border=1 |
|'''IC Name'''
|'''Pin Name'''
|'''Tolerance'''
|'''Current Requirements'''
|'''Description'''
|'''Notes'''
|-
| XC3S50A
| VCCINT
| ±0.06V
| Varies
| Internal logic supply
| FPGA program greatly affects power requirements
|-
|}
== -5V supply ==
{| cellspacing=3 border=1 |
|'''IC Name'''
|'''Pin Name'''
|'''Tolerance'''
|'''Current Requirements'''
|'''Description'''
|'''Notes'''
|-
| AD5535
| V-
| ±0.25V
| 2.5mA typ, 3.5mA max
| Negative amplifier supply
|
|-
|}
== +210V supply ==
{| cellspacing=3 border=1 |
|'''IC Name'''
|'''Pin Name'''
|'''Tolerance'''
|'''Current Requirements'''
|'''Description'''
|'''Notes'''
|-
| AD5535
| VPP
| large
| Depends on SiPM specs
| Supply for SiPM bias voltages
| SiPM bias voltage current requirements are not currently on the wiki. Most likely, this is used more as a reference and less as a power supply.
|-
|}