Overview
The MAX1089ETA+T, produced by Analog Devices Inc./Maxim Integrated, is a low-cost, micropower, serial output 10-bit analog-to-digital converter (ADC). This device is part of the MAX1086–MAX1089 family and is designed for applications that require low power consumption and minimal space. It features a MICROWIRE™-compatible serial interface, making it ideal for portable battery-powered data acquisition and other low-power applications.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage | VDD | 2.7 | - | 3.6 | V |
| Conversion Rate | - | - | 150ksps | - | ksps |
| Resolution | - | - | 10-bit | - | - |
| Power Consumption | At 150ksps | - | 200µA | - | µA |
| Power Consumption | At 100ksps | - | 130µA | - | µA |
| Power Consumption | At 50ksps | - | 65µA | - | µA |
| Power Consumption | At 10ksps | - | 13µA | - | µA |
| Power Consumption | At 1ksps | - | 1.5µA | - | µA |
| Power Consumption | In Shutdown | - | 0.2µA | - | µA |
| Sampling Rate | - | - | 150kHz | - | kHz |
| Aperture Jitter | - | - | <50 ps | - | ps |
| Maximum Serial Clock Frequency | fSCLK | - | 8 MHz | - | MHz |
Key Features
- Single-supply operation: +3V (MAX1087/MAX1089) or +5V (MAX1086/MAX1088)
- AutoShutdown between conversions
- Low power consumption: 200µA at 150ksps, 130µA at 100ksps, 65µA at 50ksps, 13µA at 10ksps, 1.5µA at 1ksps, and 0.2µA in shutdown
- True-differential track/hold with a 150kHz sampling rate
- Software-configurable unipolar/bipolar conversion (MAX1088/MAX1089 only)
- SPI, QSPI, MICROWIRE-compatible interface for DSPs and processors
- Internal conversion clock
- Available in 8-pin SOT23 and 8-pin TDFN packages
Applications
- Low power data acquisition
- Portable temperature monitors
- Flowmeters
- Touch screens
- Other applications demanding low power consumption and minimal space
Q & A
- What is the resolution of the MAX1089ETA+T ADC?
The MAX1089ETA+T has a 10-bit resolution. - What are the supply voltage options for the MAX1089ETA+T?
The MAX1089ETA+T can operate with a single supply voltage of +3V. - What is the maximum sampling rate of the MAX1089ETA+T?
The maximum sampling rate is 150ksps. - How much power does the MAX1089ETA+T consume at 150ksps?
The power consumption at 150ksps is 200µA. - Does the MAX1089ETA+T support true-differential input?
Yes, the MAX1089ETA+T supports true-differential input. - What types of interfaces are supported by the MAX1089ETA+T?
The MAX1089ETA+T supports SPI, QSPI, and MICROWIRE-compatible interfaces. - In what packages is the MAX1089ETA+T available?
The MAX1089ETA+T is available in 8-pin SOT23 and 8-pin TDFN packages. - What is the aperture jitter of the MAX1089ETA+T?
The aperture jitter is less than 50 ps. - What is the maximum serial clock frequency for the MAX1089ETA+T?
The maximum serial clock frequency is 8 MHz. - Does the MAX1089ETA+T have an internal conversion clock?
Yes, the MAX1089ETA+T has an internal conversion clock.
