MAX152EAP+T

The MAX152EAP+T is a +3V, 8bit analogue to digital converter (ADC) with 1μA power down mode in 20 pin SSOP package. This high speed, microprocessor (μP) compatible ADC uses a half flash technique to achieve 1.8μs conversion time and digitizes at a rate of 400Ksps. It operates with single +3V or dual ±3V supplies and accepts either unipolar or bipolar inputs. A active-low power-down pin reduces current consumption to typical value of 1μA. The device returns from power-down and acquires an input signal in less than 900ns providing large reductions in supply current in applications with burst mode input signals. The μP interface appears as a memory location or I/O port that requires no external interface logic. The data outputs use latched, three state buffered circuitry for direct connection to μP data bus or system input port. The ADC's input/reference arrangement enables ratiometric operation. It is used in burst mode data acquisition, telecommunications and high speed servo loops.

• Positive supply voltage range from 3V to 3.6V and negative voltage range from -3.6V to 3V
• 1.8μs conversion time and power-up in 900ns
• Internal track/hold, unipolar/bipolar inputs and ratiometric reference input
• Low power device with 1.5mA operating mode current and 1μA power down mode current
• 300KHz full power bandwidth and 0.5V/μs maximum input slew rate
• No external clock required
• Total unadjusted error of ±1LSB (unipolar) & differential nonlinearity of ±1LSB (no missing codes)
• Zero code error of ±1LSB and full scale error of ±1LSB
• Positive supply current of 2.5mA (VDD=3.6V) and power supply rejection of ±1/16LSB (VDD=3.3V ±10%)
• Operating temperature range from -40°C to +85°C

Remarques

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