LINEARIN New product release ▏ High voltage, high precision, low noise bipolar operational amplifier LTA37/LTA237
New product release
High voltage, high precision, low noise bipolar operational amplifier
The LTA37 has been redesigned and optimized for circuits with gains greater than 5, achieving high performance as per the specifications. The LTA37 increases the conversion rate to 17 V/µs and the gain bandwidth product to 82 MHz. At the same time, it offers lower offset and drift compared to the OP27, along with higher speed and lower noise. A low offset of 50 µV and a maximum drift of 0.5 µV/℃ at 1 kHz make the LTA37 an ideal choice for precision instrument applications. With extremely low noise at 3 nV/√Hz @ 1 kHz, a 1/f noise corner frequency as low as 5 Hz, and a high gain of 5.6 million times, it allows for precise high-gain amplification of low-level signals. By using a bias current elimination circuit, it achieves low input bias current and offset current.
Features of LTA37/237 products:
Low noise, 0.2µVP-P (0.1 Hz to 10 Hz)
3nV/√Hz@1kHz
Low drift, 0.5µV/℃
High speed, 17 V/µs conversion rate
82 MHz gain bandwidth
Low input offset voltage, 50µV
Excellent CMRR, 135 dB (common mode voltage @±11 V)
Open-loop gain at high, 5.6 million (135 dB)
With a deranged zeroing pin (LTA37J version)
Advantages of LTA37/237 products:
Very low noise (1/f, white noise)
Excellent DC indicators (Vos, TCVos, AVOL)
Better dynamic indicators (gain bandwidth product, swing rate, harmonic distortion)
Offset current elimination circuit
Application of LTA37/237 products:
precision instrument
testing facility
Data acquisition
Professional audio equipment
Motor phase current detection
Sensor amplifier
LTA37/237 order information
Design features of LTA37/237
a. The product adopts advanced Bipolar process design, which has the characteristics of low noise, low distortion and high speed, and is highly reliable, meeting the needs of industrial customers;
b. The input stage adopts High-Beta device, and the base current compensation structure is adopted. The input bias current of the circuit is ultra-low;
c. The internal circuit adopts the pressure swing rate to improve the structure and improve the response speed of large signals;
d. The zero and pole compensation structure of the innovative circuit is improved to improve the response speed of small signals;
e. Use the optimized low distortion circuit structure to reduce the distortion of small signals;
