MP8775

V_DD to GND  . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . . . . . .7 V
V_RT & VR_B . . . . . . . . . . . . . . . . . . . . . . .  VDD +0.5 to GND --0.5 V
V_IN  . . . . . . . . . . . . . . . . . . . . . .. .  . . . . .VDD +0.5 to GND --0.5 V
All Inputs  . . . . . . . . . . . . . . . . . . ..  . . . .VDD +0.5 to GND --0.5 V
All Outputs  . . . . . . . . . . . . . . . . .. .  . . . .VDD +0.5 to GND --0.5 V
Storage Temperature . . . . . . . . . . . . . . . . .  . . . . --65 to +150°C
Lead Temperature (Soldering 10 seconds)  . . . . . .. . . . . .+300°C
Package Power Dissipation Rating @ 75°C
SOIC, SSOP, PDIP . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . .700 mW
Derates above 75°C . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 mW/°C

Notes:
1 Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation at or above this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
2 Any input pin which can see a value outside the absolute maximum ratings should be protected by Schottky diode clamps (HP5082-2835) from input pin to the supplies. All inputs have protection diodes which will protect the device from short transients outside the supplies of less than 100mA for less than 100ms.
3 V_DD refers to AV_DD and DV_DD. GND refers to AGND and DGND.

The MP8775 is an 8-bit Analog-to-Digital Converter in a small 20 pin SOIC package. Designed using an advanced 5 V CMOS process, this part offers excellent performance, low power consumption and latch-up free operation.

This device uses a two-step flash architecture tomaintain low power consumption at high conversion rates. The input circuitry of the MP8775 includes an on-chip S/H function and allows the user to digitize analog input signals between GND and VDD. Careful design and chip layout have achieved a low analog input capacitance. This reduces "kickback" and eases the requirements of the buffer/amplifier used to drive the MP8775.

The designer of MP8775 can choose the internally generated reference voltages by connecting VRB to VRBS and V_RT to V_RTS, or provide external reference voltages to the V_RB and V_RT pins. The internal reference generates 0.6 V at V_RB and 2.6 V at V_RT. Providing external reference voltages allows easy interface to any input signal range between GND and V_DD. MP8775 also allows the system to adjust these voltages to cancel zero scale and full scale errors, or to change the input range as needed.

The MP8775 operates from a single +5 V supply. Power consumption is 85 mW at Fs = 20 MHz.

MP8775 is specified for operation over the commercial / industrial (--40 to +85°C) temperature range, the MP8775 is available in Surface Mount (SOIC), Shrunk Small Outline (SSOP) and Plastic dual-in-line (PDIP) packages.