LT1057_15 Datasheet, PDF (10/16 Pages) Linear Technology – Dual and Quad, JFET Input Precision High Speed Op Amps

LT1057/LT1058
TYPICAL APPLICATIONS
Low Noise, Wideband, Gain = 100 Amplifier with High Input Impedance
4.3k
INPUT
470Ω
–
1/4
LT1058
+
4.3k
470Ω
–
1/4
LT1058
+
4.3k
2.4k
7.5k
500Ω
2.4k
–
1/4
LT1058
+
OUTPUT
2.4k
470Ω
–
1/4
LT1058
+
–3dB BANDWIDTH = 350kHZ
GAIN-BANDWIDTH PRODUCT = 35MHz
WIDEBAND NOISE = ^{13nV/√Hz} = 7.5nV/√Hz REFERRED TO INPUT
√3
RMS NOISE DC TO FULL BANDWIDTH = 7µV
10578 TA02
Wideband, High Input Impedance, Gain = 1000 Amplifier
4.7k
1k
INPUT
–
1/4
LT1058
+
1k
4.7k
+
1/4
LT1058
–
4.7k
1k
–
1/4
LT1058
+
–3dB BANDWIDTH = 400kHz
GAIN-BANDWIDTH PRODUCT = 400MHz
WIDEBAND NOISE = 13nV/√Hz REFERRED TO INPUT
+
1/4
LT1058
–
4.7k
1k
100Ω
OUTPUT
10578 TA03
10
Low Distortion, Crystal Stabilized Oscillator
130Ω
COMMON MODE
SUPPRESSION
CRYSTAL
20kHz
NT CUT
100Ω
100k
–
15pF
1/2
LT1057
+
#327
LAMP
0.01µF
–
1/2
LT1057
+
OSCILLATOR
1V_RMS OUT
20kHz
0.005%
DISTORTION
10578 TA04
10578fd