Datasheet Texas Instruments ADS8508 — Ficha de datos
| Fabricante | Texas Instruments |
| Serie | ADS8508 |
Convertidor analógico a digital CMOS de 12 bits a 250 kHz con interfaz serie 2.5V Referencia interna
Hojas de datos
12-Bit 250-KSPS Serial CMOS Sampling ADC datasheet
PDF, 1.3 Mb, Archivo publicado: sept 22, 2005
Extracto del documento
Precios
Estado
| ADS8508IBDW | ADS8508IBDWG4 | ADS8508IBDWR | |
|---|---|---|---|
| Estado del ciclo de vida | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) | Activo (Recomendado para nuevos diseños) |
| Disponibilidad de muestra del fabricante | No | No | No |
Embalaje
| ADS8508IBDW | ADS8508IBDWG4 | ADS8508IBDWR | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 20 | 20 | 20 |
| Package Type | DW | DW | DW |
| Industry STD Term | SOIC | SOIC | SOIC |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 25 | 25 | 2000 |
| Carrier | TUBE | TUBE | LARGE T&R |
| Device Marking | ADS8508IB | ADS8508IB | ADS8508IB |
| Width (mm) | 7.5 | 7.5 | 7.5 |
| Length (mm) | 12.8 | 12.8 | 12.8 |
| Thickness (mm) | 2.35 | 2.35 | 2.35 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 |
| Max Height (mm) | 2.65 | 2.65 | 2.65 |
| Mechanical Data | Descargar | Descargar | Descargar |
Paramétricos
| Parameters / Models | ADS8508IBDW | ADS8508IBDWG4 | ADS8508IBDWR |
|---|---|---|---|
| # Input Channels | 1 | 1 | 1 |
| Analog Voltage AVDD(Max), V | 5.25 | 5.25 | 5.25 |
| Analog Voltage AVDD(Min), V | 4.75 | 4.75 | 4.75 |
| Architecture | SAR | SAR | SAR |
| Digital Supply(Max), V | 5.25 | 5.25 | 5.25 |
| Digital Supply(Min), V | 4.75 | 4.75 | 4.75 |
| INL(Max), +/-LSB | 0.45 | 0.45 | 0.45 |
| Input Range(Max), V | 10 | 10 | 10 |
| Input Range(Min), V | -10 | -10 | -10 |
| Input Type | Single-Ended | Single-Ended | Single-Ended |
| Integrated Features | Daisy-Chainable,Oscillator | Daisy-Chainable,Oscillator | Daisy-Chainable,Oscillator |
| Interface | SPI | SPI | SPI |
| Multi-Channel Configuration | N/A | N/A | N/A |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 |
| Package Group | SOIC | SOIC | SOIC |
| Package Size: mm2:W x L, PKG | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) |
| Power Consumption(Typ), mW | 155 | 155 | 155 |
| Rating | Catalog | Catalog | Catalog |
| Reference Mode | Ext,Int | Ext,Int | Ext,Int |
| Resolution, Bits | 12 | 12 | 12 |
| SINAD, dB | 73 | 73 | 73 |
| SNR, dB | 73 | 73 | 73 |
| Sample Rate (max), SPS | 250kSPS | 250kSPS | 250kSPS |
| Sample Rate(Max), MSPS | 0.25 | 0.25 | 0.25 |
| THD(Typ), dB | -95 | -95 | -95 |
Plan ecológico
| ADS8508IBDW | ADS8508IBDWG4 | ADS8508IBDWR | |
|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente |
Notas de aplicación
- Upgrading From ADS7808/09 to ADS8508/09 DevicesPDF, 66 Kb, Archivo publicado: jun 12, 2007
The information contained in this document applies to current applications using the ADS7808 or ADS7809 in a surface-mount SOIC (DW) package.This document is a guide to users of the ADS7808/09 devices with regards to potential compatibility issues when upgrading to the new ADS8508 and ADS8509 series of devices. - Determining Minimum Acquisition Times for SAR ADCs, part 2PDF, 215 Kb, Archivo publicado: marzo 17, 2011
The input structure circuit of a successive-approximation register analog-to-digital converter (SAR ADC) incombination with the driving circuit forms a transfer function that can be used to determine minimum acquisition times for different types of applied input signals. This application report, which builds on Determining Minimum Acquisition Times for SAR ADCs When a Step Function is Applied to
Linea modelo
Serie: ADS8508 (3)
Clasificación del fabricante
- Semiconductors> Data Converters> Analog-to-Digital Converters (ADCs)> Precision ADCs (<=10MSPS)