Datasheet LT1469-2 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | Dual 200MHz, 30V/μs 16-Bit Accurate AV ≥ 2 Op Amp |
| 页数 / 页 | 12 / 1 — FEATURES. DESCRIPTION. Stable in Gain AV ≥ 2 (AV = –1). 200MHz Gain … |
| 文件格式/大小 | PDF / 201 Kb |
| 文件语言 | 英语 |
FEATURES. DESCRIPTION. Stable in Gain AV ≥ 2 (AV = –1). 200MHz Gain Bandwidth Product. 30V/μs Slew Rate
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LT1469-2 Dual 200MHz, 30V/µs 16-Bit Accurate AV ≥ 2 Op Amp
FEATURES DESCRIPTION
n
Stable in Gain AV ≥ 2 (AV = –1)
The LT®1469-2 is a dual, precision high speed opera- n
200MHz Gain Bandwidth Product
tional amplifi er with 16-bit accuracy, decompensated to n
30V/μs Slew Rate
be stable in a gain of 2 or greater. The combination of n
Settling Time: 800ns (150μV, 10V Step)
precision and AC performance makes the LT1469-2 the n
Specifi ed at ±5V and ±15V Supplies
optimum choice for high accuracy applications such as n
Maximum Input Offset Voltage: 125μV
DAC current-to-voltage conversion and ADC buffers. The n Low Distortion: –96.5dB for 100kHz, 10VP-P initial accuracy and drift characteristics of the input offset n Maximum Input Offset Voltage Drift: 3μV/°C voltage and inverting input bias current are tailored for n Maximum Inverting Input Bias Current: 10nA inverting applications. n Minimum DC Gain: 300V/mV The 200MHz gain bandwidth ensures high open-loop gain n Minimum Output Swing into 2k: ±12.8V at frequency for reducing distortion. In noninverting ap- n Input Noise Voltage: 5nV/√Hz plications such as an ADC buffer, the low distortion and n Input Noise Current: 0.6pA/√Hz DC accuracy allow full 16-bit AC and DC performance. n Total Input Noise Optimized for 1kΩ < RS < 20kΩ The high slew rate of the LT1469-2 improves large-signal n Available in 8-Lead Plastic SO and performance in applications such as active fi lters and 12-Lead (4mm × 4mm) DFN Packages instrumentation amplifi ers compared to other precision op amps.
APPLICATIONS
The LT1469-2 is specifi ed on power supply voltages of n Precision Instrumentation ±5V and ±15V and from –40°C to 85°C. It is available in n High Accuracy Data Acquisition Systems an 8-lead SOIC package and a space saving 4mm × 4mm n 16-Bit DAC Current-to-Voltage Converter leadless package. For a unity-gain stable op amp with same n ADC Buffer DC performance, see the LT1469 datasheet. n Low Distortion Active Filters L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other n trademarks are the property of their respective owners. Photodiode Amplifi ers
TYPICAL APPLICATION 16-Bit DAC I-to-V Converter Large-Signal Transient, AV = –1
VS = ±15V 20pF 10V AV = –1 RF = RG = 2k 16 6k DAC CF = 22pF – INPUTS 2k 1/2 VOUT 2V/DIV LTC®1597 LT1469-2 + 50pF 0V OFFSET: V OPTIONAL NOISE FILTER OS + IB (6kΩ) < 1LSB SETTLING TIME TO 150μV = 1.6μs SETTLING LIMITED BY 6k AND 20pF TO COMPENSATE DAC OUTPUT CAPACITANCE 14692 TA01a 200ns/DIV 14692 TA02 14692f 1
FEATURES DESCRIPTION
n
Stable in Gain AV ≥ 2 (AV = –1)
The LT®1469-2 is a dual, precision high speed opera- n
200MHz Gain Bandwidth Product
tional amplifi er with 16-bit accuracy, decompensated to n
30V/μs Slew Rate
be stable in a gain of 2 or greater. The combination of n
Settling Time: 800ns (150μV, 10V Step)
precision and AC performance makes the LT1469-2 the n
Specifi ed at ±5V and ±15V Supplies
optimum choice for high accuracy applications such as n
Maximum Input Offset Voltage: 125μV
DAC current-to-voltage conversion and ADC buffers. The n Low Distortion: –96.5dB for 100kHz, 10VP-P initial accuracy and drift characteristics of the input offset n Maximum Input Offset Voltage Drift: 3μV/°C voltage and inverting input bias current are tailored for n Maximum Inverting Input Bias Current: 10nA inverting applications. n Minimum DC Gain: 300V/mV The 200MHz gain bandwidth ensures high open-loop gain n Minimum Output Swing into 2k: ±12.8V at frequency for reducing distortion. In noninverting ap- n Input Noise Voltage: 5nV/√Hz plications such as an ADC buffer, the low distortion and n Input Noise Current: 0.6pA/√Hz DC accuracy allow full 16-bit AC and DC performance. n Total Input Noise Optimized for 1kΩ < RS < 20kΩ The high slew rate of the LT1469-2 improves large-signal n Available in 8-Lead Plastic SO and performance in applications such as active fi lters and 12-Lead (4mm × 4mm) DFN Packages instrumentation amplifi ers compared to other precision op amps.
APPLICATIONS
The LT1469-2 is specifi ed on power supply voltages of n Precision Instrumentation ±5V and ±15V and from –40°C to 85°C. It is available in n High Accuracy Data Acquisition Systems an 8-lead SOIC package and a space saving 4mm × 4mm n 16-Bit DAC Current-to-Voltage Converter leadless package. For a unity-gain stable op amp with same n ADC Buffer DC performance, see the LT1469 datasheet. n Low Distortion Active Filters L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other n trademarks are the property of their respective owners. Photodiode Amplifi ers
TYPICAL APPLICATION 16-Bit DAC I-to-V Converter Large-Signal Transient, AV = –1
VS = ±15V 20pF 10V AV = –1 RF = RG = 2k 16 6k DAC CF = 22pF – INPUTS 2k 1/2 VOUT 2V/DIV LTC®1597 LT1469-2 + 50pF 0V OFFSET: V OPTIONAL NOISE FILTER OS + IB (6kΩ) < 1LSB SETTLING TIME TO 150μV = 1.6μs SETTLING LIMITED BY 6k AND 20pF TO COMPENSATE DAC OUTPUT CAPACITANCE 14692 TA01a 200ns/DIV 14692 TA02 14692f 1