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| 型号： | LT1122DS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC OP-AMP JFET FASTSETTLNG 8SOIC |
| 标准包装： | 2,500 |
| 放大器类型： | J-FET |
| 电路数： | 1 |
| 转换速率： | 75 V/µs |
| 增益带宽积： | 13MHz |
| 电流 - 输入偏压： | 12pA |
| 电压 - 输入偏移： | 130µV |
| 电流 - 电源： | 7.8mA |
| 电压 - 电源，单路/双路(±)： | ±5 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
LT1122
1
1122fb
For more information www.linear.com/LT1122
TYPICAL APPLICATION
FEATURES
DESCRIPTION
Fast Settling, JFET Input
Operational Amplifier
The LT1122 JFET input operational amplifier combines
high speed and precision performance.
A unique poly-gate JFET process minimizes gate series
resistance and gate-to-drain capacitance, facilitating wide
bandwidth performance, without degrading JFET transis-
tor matching.
It slews at 80V/s and settles in 340ns. The LT1122 is
internally compensated to be unity-gain stable, yet it has
a bandwidth of 14MHz at a supply current of only 7mA. Its
speed makes the LT1122 an ideal choice for fast settling
12-bit data conversion and acquisition systems.
The LT1122 offset voltage of 120V, and voltage gain of
500,000 also support the 12-bit accurate applications.
The input bias current of 10pA and offset current of 4pA
combined with its speed allow the LT1122 to be used in
such applications as high speed sample and hold ampli-
fiers, peak detectors, and integrators.
12-Bit Voltage Output D/A Converter
Large-Scale Response
APPLICATIONS
n
100% Tested Settling Time
340ns Typ
to 1mV at Sum Node, 10V Step
540ns Max
Tested with Fixed Feedback Capacitor
n
Slew Rate
60V/s Min
n
Gain-Bandwidth Product
14MHz
n
Power Bandwidth (20VP-P)
1.2 MHz
n
Unity-Gain Stable; Phase Margin
60°
n
Input Offset Voltage
600V Max
n
Input Bias Current
25°C
75pA Max
70°C
600pA Max
■
Input Offset Current
25°C
40pA Max
70°C
150pA Max
■
Low Distortion
n
Fast 12-Bit D/A Output Amplifiers
n
High Speed Buffers
n
Fast Sample-and-Hold Amplifiers
n
High Speed Integrators
n
Voltage to Frequency Converters
n
Active Filters
n
Log Amplifiers
n
Peak Detectors
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.
0mA TO 2mA
OR 4mA
2
3
6
CF
V
0V TO 10V
OUT
12-BIT CURRENT OUTPUT D/A CONVERTER
CF = 5pF TO 17pF
(DEPENDING ON D/A CONVERTER USED)
+
–
LT1122
LT1122TA01
+
200ns/DIV
AV = –1
1122 TA07
5V/DIV
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| LT1123CST#PBF | 功能描述:IC REG CTRLR SGL 5V SOT223 RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性晶体管驱动器 系列:- 产品培训模块:More Information on LDOs 标准包装:2,500 系列:- 类型:正，固定式 输出数:2 输出电压:2.8V，3.3V 电流 - 电源:12mA 输入电压:5 V ~ 22 V 工作温度:0°C ~ 70°C 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:带卷 (TR) |
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