Ltc6268-10 Rail To Ail High Speed Amplifier 4GHz Transimpedance In Phase Revers

Description

Ltc6268-10 Rail To Ail High Speed Amplifier 4GHz Transimpedance In Phase Revers
1、 Overview
Ltc6268-10 is a 4GHz FET input high-speed operational amplifier with single track to rail output from linear Technology Corporation. The device has a very low input bias current IB (typical value is only ± The device has low input current noise and voltage noise. Therefore, it is an ideal choice to use it as a high-speed transcimpedance amplifier. In addition, its low distortion makes it a very suitable amplifier for driving SAR ADC.
2、 Features:
Gain bandwidth product: 4GHz
Low input bias current (typical at room temperature): ± 3fA
Current noise (100kHz):7fa/ Ö Hz
Voltage noise (1MHz):4.0nv/ Ö Hz
Ultra low input capacitance cin:0.45pf
Rail to rail output
Gain AV ≥ 10 (may be unstable when less than 10)
Pendulum press rate: +1500v/ μ s， –1000V/ μ s
Supply voltage range: 3.1V to 5.25V
Static current: 16.5ma
Operating temperature range: – 40 ° C to 125 ° C
3、 Application:
Ltc6268-10 is very suitable for photodiodes and PMT circuits, high impedance sensor applications and drive ADC.
4、 Can be configured with multiple circuit description: (complete configuration data after purchase)
1. phase amplifier mode (default delivery mode)
2. reverse amplifier mode
3. mode of transconductance amplifier
5、 Index test:
Working mode: phase amplifier mode (input and output 50 ohm impedance matching, r6=2.4k, r7=120)
Input signal: 100mvpp
Amplitude frequency test is as follows:
频率 (Hz)
0.05M
0.1M
0.5M
1M
5M
10M
30M
50M
输出峰峰值
0.97
1.02
1.05
1.05
1.04
1.04
1.02
1.02
频率 (Hz)
70M
90M
100M
120M
140M
160M
180M
200M
输出峰峰值
1.00
0.99
0.98
0.95
0.90
0.82
0.73
0.65