參數(shù)資料
型號(hào)： LT1469IS8#PBF
廠商： Linear Technology
文件頁(yè)數(shù)： 1/20頁(yè)
文件大?。?/td> 0K
描述： IC OPAMP 16BIT DUAL 90MHZ 8SOIC
標(biāo)準(zhǔn)包裝： 100
放大器類(lèi)型： 通用
電路數(shù)： 2
轉(zhuǎn)換速率： 22 V/µs
增益帶寬積： 90MHz
電流 - 輸入偏壓： 10nA
電壓 - 輸入偏移： 50µV
電流 - 電源： 4.1mA
電流 - 輸出 / 通道： 22mA
電壓 - 電源，單路/雙路(±)： ±2.5 V ~ 18 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 8-SO
包裝： 管件
LT1469
1
1469fb
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Dual 90MHz, 22V/s
16-Bit Accurate Operational Amplifier
The LT1469 is a dual, precision high speed operational
amplifier with 16-bit accuracy and 900ns settling to 150V
for 10V steps. This unique blend of precision and AC
performance makes the LT1469 the optimum choice for
highaccuracyapplicationssuchasDACcurrent-to-voltage
conversion and ADC buffers. The initial accuracy and drift
characteristicsoftheinputoffsetvoltageandinvertinginput
bias current are tailored for inverting applications.
The 90MHz gain bandwidth ensures high open-loop gain
at frequency for reducing distortion. In noninverting ap-
plications such as an ADC buffer, the low distortion and
DC accuracy allow full 16-bit AC and DC performance.
The 22V/s slew rate of the LT1469 improves large signal
performance compared to other precision op amps in
applications such as active filters and instrumentation
amplifiers.
The LT1469 is available in a space saving 4mm
× 4mm
leadless package, as well as in small outline and DIP pack-
ages. A single version, the LT1468, is also available.
16-Bit DAC I-to-V Converter and Reference Inverter for Bipolar Output Swing (VOUT = –10V to 10V)
n
90MHz Gain Bandwidth, f = 100kHz
n
Maximum Input Offset Voltage: 125V
n
Settling Time: 900ns (AV = –1, 150V, 10V Step)
n
22V/s Slew Rate
n
Low Distortion: –96.5dB for 100kHz, 10VP-P
n
Maximum Input Offset Voltage Drift: 3V/°C
n
Maximum Inverting Input Bias Current: 10nA
n
Minimum DC Gain: 300V/mV
n
Minimum Output Swing into 2k: ±12.8V
n
Unity-Gain Stable
n
Input Noise Voltage: 5nV/√Hz
n
Input Noise Current: 0.6pA/√Hz
n
Total Input Noise Optimized for 1kΩ < RS < 20kΩ
n
Specified at ±5V and ±15V Supplies
n
Precision Instrumentation
n
High Accuracy Data Acquisition Systems
n
16-Bit DAC Current-to-Voltage Converter
n
ADC Buffer
n
Low Distortion Active Filters
n
Photodiode Amplifiers
Bipolar Multiplying Mode (LTC1597)
Signal-to-(Noise + Distortion)
15pF
2.4s SETTLING TIME
TO 1LSB ON 20V STEP
RLPF
LTC1597
16 BITS
DAC INPUTS
VREF
1469 TA01
15pF
CLPF
VOUT
–
+
–
+
1/2 LT1469
12k
–15V
15V
FREQUENCY (Hz)
90
SIGNAL/(NOISE
+
DISTOR
TION)
(dB)
70
50
40
10
1k
10k
100k
1469 TA01a
110
100
60
80
100
DAC INPUT CODE = ALL ZEROS
VREF = 20VP-P
500kHz FILTER
80kHz FILTER
30kHz
FILTER
L
, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
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