ADC12L034CIWM vs ADC12138CIWM 对比
详细并排对比 ADC12L034CIWM 出自 Texas Instruments 和 ADC12138CIWM 出自 Texas Instruments。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Texas Instruments
ADC12138CIWM - 12-bit+Sign 8-Ch SAR ADC, 28-SOIC | Texas Instruments
ADC12138CIWM Obsolete规格对比
| 参数 | ADC12L034CIWM | ADC12138CIWM |
|---|---|---|
| 品牌 | Texas Instruments | Texas Instruments |
| 分类 | ADC/DAC | ADC/DAC |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.30 | $5.80 |
| 分辨率 | 12 bits + sign | 12-bit plus sign |
| Number of Input Channels | 4 (single-ended, pseudo-differential, or differential) | 4 differential / 8 single-ended |
| Analog Supply Voltage | 3.3 V nominal (3.0 V to 5.5 V operating range per datasheet family) | 3 V to 5.5 V (single) |
| Digital I/O Supply Voltage | 3.3 V nominal | — |
| Digital Interface | Serial (SPI/QSPI/MICROWIRE-compatible) | — |
| Architecture | Successive-Approximation Register (SAR) | SAR (Successive Approximation) |
| Sample-and-Hold to ADC Ratio | 1:1 | — |
| Number of A/D Converters | 1 | — |
| Self-Calibration | Yes (on-chip offset + linearity) | On-demand offset + gain auto-cal |
| Maximum Serial Clock | 5 MHz (per datasheet family) | — |
| Input Type | Differential, Pseudo-Differential, Single-Ended | Differential, Single-Ended |
| 封装 | 24-pin SOIC Wide (7.5 mm body width) | 28-pin SOIC (WM, wide-body) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度范围 | -40C to +85C (industrial) | — |
| Conversion Time | [DATA_NEEDED: conversion time in us] | — |
| Integral Nonlinearity (INL) | [DATA_NEEDED: INL in LSB] | — |
| Differential Nonlinearity (DNL) | [DATA_NEEDED: DNL in LSB] | — |
| SNR / ENOB | [DATA_NEEDED: SNR or ENOB] | — |
| RoHS 状态 | unknown | Compliant (NOPB variant) |
| 采样率 | — | 114 kSPS |
| Digital Supply Voltage | — | 3 V to 5.5 V (single, same as analog) |
| Analog Input Range | — | 0 V to VREF or 0 V to 2*VREF |
| 基准电压 | — | 2.5 V (typical internal) |
| DNL (Differential Nonlinearity) | — | +/-0.5 LSB (typical) |
| INL（积分非线性） | — | +/-1 LSB (typical) |
| 电源电流 | — | 1.3 mA (typical at 114 kSPS) |
| 工作温度 | — | -40C to +85C (industrial) |
| Serial Interface | — | SPI/QSPI/MICROWIRE-compatible |
| Sample/Hold | — | Integrated |
| MSL 等级 | — | 1 (unlimited) |