que pensez vous de celui-ci pour remplacement. DSL pas pu faire plus clair, dans le tableau avec le lien ce sera peut être plus facile à comprendre
http://www.fulcrum.ru/Read/CDROMs/TI-20 ... bos156.pdf
OPA445BM
PARAMETER CONDITIONS MIN TYP MAX UNITS
OFFSET VOLTAGE
Input Offset Voltage VOS VCM = 0, IO = 0 ±1 ±3 mV
vs Temperature VOS/dT TA = –25°C to +85°C ±10 mV/°C
vs Power Supply PSRR VS = ±10V to ±45V 4 100 mV/V
INPUT BIAS CURRENT(1)
Input Bias Current IB VCM = 0V ±10 ±50 pA
Over Specified Temperature Range ±10 nA
Input Offset Current IOS VCM = 0V ±4 ±20 ±40 pA
Over Specified Temperature Range ±5 ±10 nA
NOISE
Input Voltage Noise Density, f = 1kHz en 15 nV/Hz
Current Noise Density, f = 1kHz in 6 fA//Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range VCM VS = ±40V (V–)+5 (V+)–5 V
Common-Mode Rejection CMRR VCM = –35V to +35V 80 95 dB
Over Specified Temperature Range 80 dB
OPEN-LOOP GAIN, DC
Open-Loop Voltage Gain AOL VO = –35V to +35V 100 110 [ [ dB
Over Specified Temperature Range 97 [ dB
FREQUENCY RESPONSE
Gain Bandwidth Product GBW 2 MHz
Slew Rate SR VO = 70Vp-p 5 15 V/ms
Full Power Bandwidth VO = 70Vp-p 23 70 kHz
Rise Time VO = ±200mV 100 ns
Overshoot G = +1, ZL = 5kW || 50pF 35 [ %
Total Harmonic Distortion + Noise THD+N f = 1kHz, VO = 3.5Vrms, G = 1 0.0002 [ %
f = 1kHz, VO = 10Vrms, G = 1 0.00008 %
OUTPUT
Voltage Output VO (V–)+5 (V+)–5 V
Over Specified Temperature Range (V–)+5 (V+)–5 V
Current Output IO VO = ±28V ±15 mA
Output Resistance, Open Loop RO dc 220 W
Short Circuit Current ISC ±26 mA
Capacitive Load Drive CLOAD See Typical Curve(2)
POWER SUPPLY
Specified Operating Range VS ±40 V
Operating Voltage Range ±10 ±45 V
Quiescent Current IQ IO = 0 ±4.2 ±4.7 mA
TEMPERATURE RANGE
Specification Range –25 +85 °C
Operating Range –55 +125 °C
Storage Range –65 +125 °C
Thermal Resistance qJA
TO-99 200 °C/W