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データ コンバータ
D/A コンバータ (DAC)
高精度 DAC (≤ 10MSPS)

DAC8728

アクティブ

8 チャネル、低消費電力、16 ビット、±16.5V 出力、パラレル入力 D/A コンバータ

ご注文はこちら
データシート

DAC8728

アクティブ
データシート ご注文はこちら

製品詳細

Resolution (Bits) 16 Number of DAC channels 8 Interface type Parallel Output type Buffered Voltage Output voltage range (V) -16.5 to 16.5 INL (max) (±LSB) 4 Settling time (µs) 15 Reference type Ext Architecture String Rating Catalog Features On-chip Offset and Gain Calibration Sample/update rate (Msps) 0.066 Power consumption (typ) (mW) 107 Operating temperature range (°C) -40 to 105
Resolution (Bits) 16 Number of DAC channels 8 Interface type Parallel Output type Buffered Voltage Output voltage range (V) -16.5 to 16.5 INL (max) (±LSB) 4 Settling time (µs) 15 Reference type Ext Architecture String Rating Catalog Features On-chip Offset and Gain Calibration Sample/update rate (Msps) 0.066 Power consumption (typ) (mW) 107 Operating temperature range (°C) -40 to 105
TQFP (PAG) 64 144 mm² (12 mm × 12 mm) VQFN (RTQ) 56 64 mm² (8 mm × 8 mm)
  • Bipolar Output: ±3V, up to ±16.5V
  • Unipolar Output: 0V to +33V
  • 16-Bit Resolution
  • Low Power: 13.5mW/Ch
  • Relative Accuracy: 4 LSB Max
  • Flexible User Calibration
  • Low Zero/Full-Scale Error
    • Before User Calibration: ±10 LSB Max
    • After User Calibration: ±1 LSB
  • Low Glitch: 4nV-s
  • Settling Time: 15µs
  • Channel Monitor Output
  • Programmable Gain: x4, x6
  • Programmable Offset
  • 16-Bit Parallel Interface: 50MHz (Write Operation)
  • Packages: QFN-56 (8mm x 8mm), TQFP-64 (10mm x 10mm)
  • APPLICATIONS
    • Automatic Test Equipment
    • PLC and Industrial Process Control
    • Communications
  • Bipolar Output: ±3V, up to ±16.5V
  • Unipolar Output: 0V to +33V
  • 16-Bit Resolution
  • Low Power: 13.5mW/Ch
  • Relative Accuracy: 4 LSB Max
  • Flexible User Calibration
  • Low Zero/Full-Scale Error
    • Before User Calibration: ±10 LSB Max
    • After User Calibration: ±1 LSB
  • Low Glitch: 4nV-s
  • Settling Time: 15µs
  • Channel Monitor Output
  • Programmable Gain: x4, x6
  • Programmable Offset
  • 16-Bit Parallel Interface: 50MHz (Write Operation)
  • Packages: QFN-56 (8mm x 8mm), TQFP-64 (10mm x 10mm)
  • APPLICATIONS
    • Automatic Test Equipment
    • PLC and Industrial Process Control
    • Communications

The DAC8728 is a low-power, octal, 16-bit digital-to-analog converter (DAC). With a 5V reference, the output can either be a bipolar ±15V voltage when operating from a dual ±15.5V (or higher) power supply, or a unipolar 0V to +30V voltage when operating from a +30.5V power supply. With a 5.5V reference, the output can either be a ±16.5V for a dual ±17V (or higher) power supply, or a unipolar 0V to +33V voltage when operating from a +33.5V (or higher) power supply. This DAC provides low-power operation, good linearity, and low glitch over the specified temperature range of –40°C to +105°C. This device is trimmed in manufacturing and has very low zero and full-scale error. In addition, user calibration can be performed to achieve ±1 LSB bipolar zero/full-scale error for a bipolar supply, or ±1 LSB zero-code/full-scale error for a unipolar supply over the entire signal chain. The output range can be offset by using the DAC Offset Register.

The DAC8728 features a standard, high-speed, 16-bit parallel interface that operates at up to 50MHz and is 1.8V, 3V, and 5V logic compatible, to communicate with a DSP or microprocessor. The eight DACs and the auxiliary registers are addressed with five address lines. The device features double-buffered interface logic. An asynchronous load input (LDAC) transfers data from the DAC data register to the DAC latch. The asynchronous CLR input sets the output of all eight DACs to AGND. The VMON pin is a monitor output that connects to the individual analog outputs, the offset DAC, and the reference buffer outputs through a multiplexer (mux).

The DAC8728 is pin-to-pin compatible with the DAC8228 (14-bit) and the DAC7728 (12-bit).

The DAC8728 is a low-power, octal, 16-bit digital-to-analog converter (DAC). With a 5V reference, the output can either be a bipolar ±15V voltage when operating from a dual ±15.5V (or higher) power supply, or a unipolar 0V to +30V voltage when operating from a +30.5V power supply. With a 5.5V reference, the output can either be a ±16.5V for a dual ±17V (or higher) power supply, or a unipolar 0V to +33V voltage when operating from a +33.5V (or higher) power supply. This DAC provides low-power operation, good linearity, and low glitch over the specified temperature range of –40°C to +105°C. This device is trimmed in manufacturing and has very low zero and full-scale error. In addition, user calibration can be performed to achieve ±1 LSB bipolar zero/full-scale error for a bipolar supply, or ±1 LSB zero-code/full-scale error for a unipolar supply over the entire signal chain. The output range can be offset by using the DAC Offset Register.

The DAC8728 features a standard, high-speed, 16-bit parallel interface that operates at up to 50MHz and is 1.8V, 3V, and 5V logic compatible, to communicate with a DSP or microprocessor. The eight DACs and the auxiliary registers are addressed with five address lines. The device features double-buffered interface logic. An asynchronous load input (LDAC) transfers data from the DAC data register to the DAC latch. The asynchronous CLR input sets the output of all eight DACs to AGND. The VMON pin is a monitor output that connects to the individual analog outputs, the offset DAC, and the reference buffer outputs through a multiplexer (mux).

The DAC8728 is pin-to-pin compatible with the DAC8228 (14-bit) and the DAC7728 (12-bit).
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上位の文書 タイプ タイトル フォーマットオプション 最新の英語版をダウンロード 日付
* データシート Octal, 16-bit, Low-Power, High-Voltage Output, Parallel Input D/A Converter データシート (Rev. A) 2009/11/24

設計と開発

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評価ボード

DAC8728EVM — DAC8728 評価モジュール

The DAC8728EVM is a full-featured evaluation board that features the DAC8728 device. The DAC8728 is a low-power, octal, ±15V output, parallel input, 16-bit digital-to-analog converter (DAC). This evaluation module (EVM) allows evaluation of all aspects of the DAC8728 and gives control over (...)

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シミュレーション・モデル

DAC8728 IBIS Model

SBAM101.ZIP (115 KB) - IBIS モデル
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設計ツール

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
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パッケージ ピン数 CAD シンボル、フットプリント、および 3D モデル
TQFP (PAG) 64 Ultra Librarian
VQFN (RTQ) 56 Ultra Librarian
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