ADC1175-50CIMT National Semiconductor, ADC1175-50CIMT Datasheet - Page 2

• Manufacturer Part Number: ADC1175-50CIMT
• Description: 8-Bit/ 50 MSPS/ 125 mW A/D Converter
• Manufacturer: National Semiconductor

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Block Diagram
Pin Descriptions and Equivalent Circuits
Pin
No.
19
16
17
23
Symbol
V
V
V
V
RTS
RB
RT
IN
Equivalent Circuit
2
Analog signal input. Conversion range is V
V
Reference Top Bias with internal pull up resistor.
Short this pin to V
ladder.
Analog input that is the high (top) side of the
reference ladder of the ADC. Nominal range is 1.0V
to AV
and V
Bypass well. See Section 2.0 for more information.
Analog input that is the low (bottom) side of the
reference ladder of the ADC. Nominal range is 0.0V
to 4.0V, with optimized value of 0.6V. Voltage on
V
range. Bypass well. See Section 2.0 for more
information.
RB
RT
.
and V
DD
RB
, optimized value of 2.6V. Voltages on V
inputs define the V
RB
inputs define the V
RT
Description
to self-bias the reference
IN
DS100896-2
conversion range.
IN
conversion
RT
to
RT