参数资料
| 型号： | LT1499IS#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | IC OP-AMP R-R IN/OUT QUAD 14SOIC |
| 标准包装： | 55 |
| 系列： | C-Load™ |
| 放大器类型： | 通用 |
| 电路数： | 4 |
| 输出类型： | 满摆幅 |
| 转换速率： | 6 V/µs |
| 增益带宽积： | 10.5MHz |
| 电流 - 输入偏压： | 250nA |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 1.8mA |
| 电流 - 输出 / 通道： | 30mA |
| 电压 - 电源，单路/双路(±)： | 2.2 V ~ 36 V，±1.1 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SO |
| 包装： | 管件 |
LT1498/LT1499
14989fg
1
TYPICAL APPLICATION
DESCRIPTION
10MHz, 6V/s, Dual/Quad
Rail-to-Rail Input and Output
Precision C-Load Op Amps
The LT1498/LT1499 are dual/quad, rail-to-rail input and
output precision C-Load op amps with a 10MHz gain-
bandwidth product and a 6V/μs slew rate.
The LT1498/LT1499 are designed to maximize input
dynamic range by delivering precision performance over
the full supply voltage. Using a patented technique, both
input stages of the LT1498/LT1499 are trimmed, one at
the negative supply and the other at the positive supply.
The resulting guaranteed common mode rejection is much
better than other rail-to-rail input op amps. When used as
a unity-gain buffer in front of single supply 12-bit A-to-D
converters, the LT1498/LT1499 are guaranteed to add less
than 1LSB of error even in single 3V supply systems.
With 110dB of supply rejection, the LT1498/LT1499 main-
tain their performance over a supply range of 2.2V to 36V
and are specied for 3V, 5V and ±15V supplies. The inputs
can be driven beyond the supplies without damage or phase
reversal of the output. These op amps remain stable while
driving capacitive loads up to 10,000pF.
The LT1498 is available with the standard dual op amp
conguration in 8-pin PDIP and SO packaging. The LT1499
features the standard quad op amp conguration and is
available in a 14-pin plastic SO package. These devices
can be used as plug-in replacements for many standard
op amps to improve input/output range and precision.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and C-Load
is a trademark of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
FEATURES
APPLICATIONS
n Rail-to-Rail Input and Output
n 475μV Max VOS from V+ to V–
n Gain-Bandwidth Product: 10MHz
n Slew Rate: 6V/μs
n Low Supply Current per Amplier: 1.7mA
n Input Offset Current: 65nA Max
n Input Bias Current: 650nA Max
n Open-Loop Gain: 1000V/mV Min
n Low Input Noise Voltage: 12nV/√Hz Typ
n Wide Supply Range: 2.2V to ±15V
n Large Output Drive Current: 30mA
n Stable for Capacitive Loads Up to 10,000pF
n Dual in 8-Pin PDIP and SO Package
n Quad in Narrow 14-Pin SO
n Driving A-to-D Converters
n Active Filters
n Rail-to-Rail Buffer Ampliers
n Low Voltage Signal Processing
n Battery-Powered Systems
Frequency Response
Single Supply 100kHz 4th Order Butterworth Filter
–
+
1/2 LT1498
6.81k
VIN
V+/2
V+
VOUT
1498 TA01
330pF
11.3k
6.81k
–
+
1/2 LT1498
5.23k
47pF
1000pF
10.2k
5.23k
100pF
FREQUENCY (Hz)
100
GAIN
(dB) –50
–30
–10
10
1M
1498 TA02
–70
–90
–60
–40
–20
0
–80
–100
–110
1k
10k
100k
10M
VIN = 2.7VP-P
V+ = 3V
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