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データコンバータ 
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アナログ-デジタルコンバータ(ADC)
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The MAX1157/MAX1159/MAX1175 14-bit, low-power, successive-approximation analog-to-digital converters (ADCs) feature automatic power-down, a factory-trimmed internal clock, and a 14-bit wide parallel interface. The devices operate from a single +4.75V to +5.25V analog supply and feature a separate digital supply input for direct interface with +2.7V to +5.25V digital logic.
The MAX1157 accepts an analog input voltage range from 0 to +10V while the MAX1159 accepts a bipolar analog input voltage range of ±10V. The MAX1175 accepts a bipolar analog input voltage range of ±5V. All devices consume only 23mW at a sampling rate of 135ksps when using an external reference and 29mW when using the internal +4.096V reference. AutoShutdown reduces supply current to 0.4mA at 10ksps. The MAX1157/MAX1159/MAX1175 are ideal for high-performance, battery-powered data-acquisition applications. Excellent AC performance (THD = -100dB) and DC accuracy (±1 LSB INL) make the MAX1157/ MAX1159/MAX1175 ideal for industrial process control, instrumentation, and medical applications.
The MAX1157/MAX1159/MAX1175 are available in a 28-pin TSSOP package and are fully specified over the -40°C to +85°C extended temperature range and the 0°C to +70°C commercial temperature range.
The MAX1157 accepts an analog input voltage range from 0 to +10V while the MAX1159 accepts a bipolar analog input voltage range of ±10V. The MAX1175 accepts a bipolar analog input voltage range of ±5V. All devices consume only 23mW at a sampling rate of 135ksps when using an external reference and 29mW when using the internal +4.096V reference. AutoShutdown reduces supply current to 0.4mA at 10ksps. The MAX1157/MAX1159/MAX1175 are ideal for high-performance, battery-powered data-acquisition applications. Excellent AC performance (THD = -100dB) and DC accuracy (±1 LSB INL) make the MAX1157/ MAX1159/MAX1175 ideal for industrial process control, instrumentation, and medical applications.
The MAX1157/MAX1159/MAX1175 are available in a 28-pin TSSOP package and are fully specified over the -40°C to +85°C extended temperature range and the 0°C to +70°C commercial temperature range.
主な機能
- Analog Input Voltage Range ±10V, ±5V, or 0 to 10V
- 14-Bit Wide Parallel Interface
- Single +4.75V to +5.25V Analog Supply Voltage
- Interfaces with +2.7V to +5.25V Digital Logic
- ±1 LSB INL (max)
- ±1 LSB DNL (max)
- Low Supply Current (MAX1159)
- 5.3mA (External Reference)
- 6.2mA (Internal Reference)
- 5µA AutoShutdown Mode
- Small Footprint
- 28-Pin TSSOP Package
アプリケーション/用途
- データ収集システム
- I/Oモジュール
- 産業用プロセス制御
- 高精度計測器
- 温度検出および監視
Parametric specs for Precision ADCs (< 5Msps)
| Resolution (bits) (ADC) | 14 |
| # Input Channels | 1 |
| Conv. Rate (ksps) (max) | 135 |
| Data Bus | µP/14 |
| ADC Architecture | SAR |
| Diff/S.E. Input | S.E. Only |
| Internal VREF (V) (nominal) | 4.096 |
| External VREF (V) (min) | 3.8 |
| External VREF (V) (max) | 4.2 |
| Unipolar VIN (V) (max) | 10 |
| INL (±LSB) | 1 |
| Package/Pins | TSSOP/28 |
| Budgetary Price (See Notes) | $5.97 @1k |
全て表示する
技術資料
| データシート | 14ビット、135ksps、単一電源ADC、バイポーラアナログ入力範囲 | Feb 13, 2003 | |
| アプリケーションノート | Analysis of ADC System Distortion Caused by Source Resistance |
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説明
MAX1179の評価キット(EVキット)は、アナログ-ディジタルコンバータMAX1179を検証する実装および試験済み回路ボードです。また、このEVキットを使って、同じチップファミリの他のマキシムデバイスも評価することができます。詳細はフルデータシートの｢表2 (Table 2)｣を参照してください。MAX1179のEVキットを注文する際に、その他の製品は無料サンプルとして請求してください。
詳細を見る特長
- 実証済みのPCBレイアウト
- 使いやすいテストポイントを実装
- 完全実装および試験済み
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パラメーター
Parametric specs for Precision ADCs (<u><</u> 5Msps)
| Resolution (bits) (ADC) | 14 |
| # Input Channels | 1 |
| Conv. Rate (ksps) (max) | 135 |
| Data Bus | µP/14 |
| ADC Architecture | SAR |
| Diff/S.E. Input | S.E. Only |
| Internal VREF (V) (nominal) | 4.096 |
| External VREF (V) (min) | 3.8 |
| External VREF (V) (max) | 4.2 |
| Unipolar VIN (V) (max) | 10 |
| INL (±LSB) | 1 |
| Package/Pins | TSSOP/28 |
| Budgetary Price (See Notes) | $5.97 @1k |
主な機能
- Analog Input Voltage Range ±10V, ±5V, or 0 to 10V
- 14-Bit Wide Parallel Interface
- Single +4.75V to +5.25V Analog Supply Voltage
- Interfaces with +2.7V to +5.25V Digital Logic
- ±1 LSB INL (max)
- ±1 LSB DNL (max)
- Low Supply Current (MAX1159)
- 5.3mA (External Reference)
- 6.2mA (Internal Reference)
- 5µA AutoShutdown Mode
- Small Footprint
- 28-Pin TSSOP Package
アプリケーション/用途
- データ収集システム
- I/Oモジュール
- 産業用プロセス制御
- 高精度計測器
- 温度検出および監視
説明
The MAX1157/MAX1159/MAX1175 14-bit, low-power, successive-approximation analog-to-digital converters (ADCs) feature automatic power-down, a factory-trimmed internal clock, and a 14-bit wide parallel interface. The devices operate from a single +4.75V to +5.25V analog supply and feature a separate digital supply input for direct interface with +2.7V to +5.25V digital logic.
The MAX1157 accepts an analog input voltage range from 0 to +10V while the MAX1159 accepts a bipolar analog input voltage range of ±10V. The MAX1175 accepts a bipolar analog input voltage range of ±5V. All devices consume only 23mW at a sampling rate of 135ksps when using an external reference and 29mW when using the internal +4.096V reference. AutoShutdown reduces supply current to 0.4mA at 10ksps. The MAX1157/MAX1159/MAX1175 are ideal for high-performance, battery-powered data-acquisition applications. Excellent AC performance (THD = -100dB) and DC accuracy (±1 LSB INL) make the MAX1157/ MAX1159/MAX1175 ideal for industrial process control, instrumentation, and medical applications.
The MAX1157/MAX1159/MAX1175 are available in a 28-pin TSSOP package and are fully specified over the -40°C to +85°C extended temperature range and the 0°C to +70°C commercial temperature range.
The MAX1157 accepts an analog input voltage range from 0 to +10V while the MAX1159 accepts a bipolar analog input voltage range of ±10V. The MAX1175 accepts a bipolar analog input voltage range of ±5V. All devices consume only 23mW at a sampling rate of 135ksps when using an external reference and 29mW when using the internal +4.096V reference. AutoShutdown reduces supply current to 0.4mA at 10ksps. The MAX1157/MAX1159/MAX1175 are ideal for high-performance, battery-powered data-acquisition applications. Excellent AC performance (THD = -100dB) and DC accuracy (±1 LSB INL) make the MAX1157/ MAX1159/MAX1175 ideal for industrial process control, instrumentation, and medical applications.
The MAX1157/MAX1159/MAX1175 are available in a 28-pin TSSOP package and are fully specified over the -40°C to +85°C extended temperature range and the 0°C to +70°C commercial temperature range.
技術資料
| データシート | 14ビット、135ksps、単一電源ADC、バイポーラアナログ入力範囲 | Feb 13, 2003 | |
| アプリケーションノート | Analysis of ADC System Distortion Caused by Source Resistance |
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