PGA117

正在供貨

具有 10 通道多路復(fù)用器的零溫漂、100μV 失調(diào)電壓、12nV/√Hz 噪聲、RRO(范圍增益)可編程增益放大器

產(chǎn)品詳情

PGA/VGA PGA Number of channels 10 Vs (min) (V) 2.2 Vs (max) (V) 5.5 Input type Single-ended Output type Single-ended Input offset drift (±) (typ) (μV/°C) 0.6 Interface type SPI Noise at 1 kHz (typ) (V√Hz) 0.000000013 BW at Acl (MHz) 10 Acl, min spec gain (V/V) 1 Gain (max) (dB) 46 Architecture CMOS Features Daisy chain, Scope gains, Shutdown Vos (offset voltage at 25°C) (typ) (mV) 0.025 Input voltage noise (typ) (μV√Hz) 0.012 Slew rate (typ) (V/μs) 3 Iq per channel (typ) (mA) 1.08 Gain error (typ) (%) 0.006 Gain drift (max) (ppm/°C) 0.5 Rating Catalog Operating temperature range (°C) -40 to 125
PGA/VGA PGA Number of channels 10 Vs (min) (V) 2.2 Vs (max) (V) 5.5 Input type Single-ended Output type Single-ended Input offset drift (±) (typ) (μV/°C) 0.6 Interface type SPI Noise at 1 kHz (typ) (V√Hz) 0.000000013 BW at Acl (MHz) 10 Acl, min spec gain (V/V) 1 Gain (max) (dB) 46 Architecture CMOS Features Daisy chain, Scope gains, Shutdown Vos (offset voltage at 25°C) (typ) (mV) 0.025 Input voltage noise (typ) (μV√Hz) 0.012 Slew rate (typ) (V/μs) 3 Iq per channel (typ) (mA) 1.08 Gain error (typ) (%) 0.006 Gain drift (max) (ppm/°C) 0.5 Rating Catalog Operating temperature range (°C) -40 to 125
TSSOP (PW) 20 41.6 mm2 6.5 x 6.4
  • Rail-to-Rail Input and Output
  • Offset: 25 μV (Typical), 100 μV
    (Maximum)
  • Zer? Drift: 0.35 μV/°C (Typical), 1.2 μV/°C
    (Maximum)
  • Low Noise: 12 nV/√Hz
  • Input Offset Current: ±5 nA Maximum (25°C)
  • Gain Error: 0.1% Maximum (G ≥ 32),
    0.3% Maximum (G > 32)
  • Binary Gains: 1, 2, 4, 8, 16, 32, 64, 128 (PGA112,
    PGA116)
  • Scope Gains: 1, 2, 5, 10, 20, 50, 100, 200
    (PGA113, PGA117)
  • Gain Switching Time: 200 ns
  • 2 Channel MUX: PGA112, PGA113
    10 Channel MUX: PGA116, PGA117
  • Four Internal Calibration Channels
  • Amplifier Optimized for Driving CDAC ADCs
  • Output Swing: 50 mV to Supply Rails
  • AVDD and DVDD for Mixed Voltage Systems
  • IQ = 1.1 mA (Typical)
  • Software and Hardware Shutdown: IQ ≤ 4 μA
    (Typical)
  • Temperature Range: –40°C to 125°C
  • SPI? Interface (10 MHz) With Daisy-Chain
    Capability
  • Rail-to-Rail Input and Output
  • Offset: 25 μV (Typical), 100 μV
    (Maximum)
  • Zer? Drift: 0.35 μV/°C (Typical), 1.2 μV/°C
    (Maximum)
  • Low Noise: 12 nV/√Hz
  • Input Offset Current: ±5 nA Maximum (25°C)
  • Gain Error: 0.1% Maximum (G ≥ 32),
    0.3% Maximum (G > 32)
  • Binary Gains: 1, 2, 4, 8, 16, 32, 64, 128 (PGA112,
    PGA116)
  • Scope Gains: 1, 2, 5, 10, 20, 50, 100, 200
    (PGA113, PGA117)
  • Gain Switching Time: 200 ns
  • 2 Channel MUX: PGA112, PGA113
    10 Channel MUX: PGA116, PGA117
  • Four Internal Calibration Channels
  • Amplifier Optimized for Driving CDAC ADCs
  • Output Swing: 50 mV to Supply Rails
  • AVDD and DVDD for Mixed Voltage Systems
  • IQ = 1.1 mA (Typical)
  • Software and Hardware Shutdown: IQ ≤ 4 μA
    (Typical)
  • Temperature Range: –40°C to 125°C
  • SPI? Interface (10 MHz) With Daisy-Chain
    Capability

The PGA112 and PGA113 devices (binary and scope gains) offer two analog inputs, a three-pin SPI interface, and software shutdown in a 10-pin, VSSOP package. The PGA116 and PGA117 (binary and scope gains) offer 10 analog inputs, a SPI interface with daisy-chain capability, and hardware and software shutdown in a 20-pin TSSOP package.

All versions provide internal calibration channels for system-level calibration. The channels are tied to GND, 0.9 VCAL, 0.1 VCAL, and VREF, respectively. VCAL, an external voltage connected to Channel 0, is used as the system calibration reference. Binary gains are: 1, 2, 4, 8, 16, 32, 64, and 128; scope gains are: 1, 2, 5, 10, 20, 50, 100, and 200.

The PGA112 and PGA113 devices (binary and scope gains) offer two analog inputs, a three-pin SPI interface, and software shutdown in a 10-pin, VSSOP package. The PGA116 and PGA117 (binary and scope gains) offer 10 analog inputs, a SPI interface with daisy-chain capability, and hardware and software shutdown in a 20-pin TSSOP package.

All versions provide internal calibration channels for system-level calibration. The channels are tied to GND, 0.9 VCAL, 0.1 VCAL, and VREF, respectively. VCAL, an external voltage connected to Channel 0, is used as the system calibration reference. Binary gains are: 1, 2, 4, 8, 16, 32, 64, and 128; scope gains are: 1, 2, 5, 10, 20, 50, 100, and 200.

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PGA116 正在供貨 具有 10 通道多路復(fù)用器的零漂移、100μV 偏移電壓、12nV/√Hz 噪聲、RRO(二進(jìn)制增益)可編程增益放大器 This device offers binary gains 1, 2, 4, 8, 16, 32, 64, 128 instead of scope gains
功能與比較器件相同,但引腳排列有所不同
PGA112 正在供貨 具有 2 通道多路復(fù)用器的零溫漂、100μV 失調(diào)電壓、12nV/√Hz 噪聲、RRO(二進(jìn)制增益)可編程增益放大器 This device offers 2 channel mux instead of 10 channel mux, and binary gains instead of scope gains.
PGA113 正在供貨 具有 2 通道多路復(fù)用器的零溫漂、100μV 失調(diào)電壓、12nV/√Hz 噪聲、RRO(范圍增益)可編程增益放大器 This device offers 2 channel mux instead of 10 channel mux,

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類(lèi)型 標(biāo)題 下載最新的英語(yǔ)版本 日期
* 數(shù)據(jù)表 PGA11x Zer?-Drift Programmable Gain Amplifier With Mux 數(shù)據(jù)表 (Rev. C) PDF | HTML 2015年 11月 30日
應(yīng)用手冊(cè) 所選封裝材料的熱學(xué)和電學(xué)性質(zhì) 2008年 10月 16日

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用戶(hù)指南: PDF
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參考設(shè)計(jì)

TIDA-00130 — 基于零漂移 PGA 的斷路器模擬前端設(shè)計(jì) (ACB/MCCB-ETU)

此參考設(shè)計(jì)旨在用于塑殼斷路器 (MCCB) 電子跳閘單元。  這種基于可編程增益放大器的設(shè)計(jì)用于對(duì)過(guò)流接地故障繼電器進(jìn)行電流監(jiān)控。通過(guò)采用零漂移可編程放大器,此設(shè)計(jì)提供 ±10 % 的拾取 (A) 準(zhǔn)確度和 0 至 -20% 的時(shí)間延遲 (s) 準(zhǔn)確度。另外,此解決方案的設(shè)計(jì)宗旨是應(yīng)對(duì)嚴(yán)苛的環(huán)境條件,擁有 -10 至 70°C 的環(huán)境不敏感性以及較高的電磁抗擾性等特性。最后,此設(shè)計(jì)的模擬前端無(wú)縫連接至 TI MSP430 MCU,可加快評(píng)估和縮短上市時(shí)間。
設(shè)計(jì)指南: PDF
原理圖: PDF
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