Datasheet LT1492, LT1493 (Analog Devices)
| Fabricante | Analog Devices |
| Descripción | 5MHz, 3V/µs, Low Power Single Supply, Dual and Quad Precision Op Amps |
| Páginas / Página | 16 / 1 — FEATURES. DESCRIPTION. Gain-Bandwidth Product: 5MHz Typ. Slew Rate: 3V/. … |
| Formato / tamaño de archivo | PDF / 323 Kb |
| Idioma del documento | Inglés |
FEATURES. DESCRIPTION. Gain-Bandwidth Product: 5MHz Typ. Slew Rate: 3V/. s Typ. Low Supply Current per Amplifier: 0.55mA Max
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LT1492/LT1493 5MHz, 3V/µs, Low Power Single Supply, Dual and Quad Precision Op Amps
U FEATURES DESCRIPTION
■
Gain-Bandwidth Product: 5MHz Typ
The LT®1492/LT1493 are dual/quad, low power, single sup- ■
Slew Rate: 3V/
µ
s Typ
ply precision op amps with 5MHz gain-bandwidth product, ■
Low Supply Current per Amplifier: 0.55mA Max
3V/µs slew rate and only 450µA of quiescent supply current ■
Input Offset Voltage: 180
µ
V Max
per amplifier. ■ Input Offset Voltage Drift: 3µV/°C Max With a maximum input offset voltage of only 180µV, the ■ Input Offset Current: 20nA Max LT1492/LT1493 eliminate trims in most systems while pro- ■ Input Bias Current: 100nA Max viding high frequency performance not usually found in low ■ Open-Loop Gain: 1500V/mV Min (VS = ±15V) power single supply amplifiers. ■ Low Input Noise Voltage: 16.5nV/√Hz ■ The LT1492/LT1493 will operate on any supply greater than Low Input Noise Current: 0.14pA/√Hz ■ 2.5V and less than 36V total, and are specified on single 3.3V, Large Output Drive Current: 20mA Min ■ single 5V and ±15V supplies. Even with their low quiescent Single Supply Operation supply current the minimum output drive is 20mA, ideal for Input Voltage Range Includes Ground driving low impedance loads. Output Swings to Ground While Sinking Current ■ Wide Supply Voltage Range: 2.5V to 36V The inputs can be driven beyond the supplies without ■ Specified on 3.3V, 5V and ±15V damage or phase reversal of the output. The low operating ■ Dual in 8-Pin PDIP and SO Package voltage and wide input and output range make the LT1492/ ■ Quad in a Narrow 16-Pin SO Package LT1493 amplifiers ideal for battery-powered applications.
U
For applications requiring faster precision single supply
APPLICATIONS
amplifiers, see the 14MHz, 7V/µs LT1211/LT1212, the 28MHz, 12V/µs LT1213/LT1214 or the 23MHz, 50V/µs ■ Battery-Powered Systems LT1215/LT1216. Portable Instrumentation , LTC and LT are registered trademarks of Linear Technology Corporation. ■ Active Filters ■ Photodiode Amplifiers ■ DAC Current to Voltage Amplifiers
U TYPICAL APPLICATION Distribution of Offset Voltage Drift with Temperature
50 VS = 5V, 0V
Precision AC to DC Converter (Full Wave Rectifier and Filter)
LT1492 N8, S8 PACKAGES LT1493 S16 PACKAGE 40 4.99k 30 + 10k 5V 1/2 LT1492 VOUT DC 10k 15k + 20 V – IN – 10µF 10k PERCENT OF UNITS (%) 1/2 LT1492 10 + 6.49k VS = 5V, 0V < 1% ERROR FROM 100mV TO 1V, f = 1kHz 0 10% ERROR AT 10mV, f = 1kHz – 2.5 – 2 –1.5 –1 – 0.5 0 0.5 1 1.5 2 2.5 1% ERROR AT 5kHz, VIN = 100mVRMS OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C) 10% ERROR AT 30kHz, VIN = 100mVRMS 1492/93 TA01 1492/93 G02 1
U FEATURES DESCRIPTION
■
Gain-Bandwidth Product: 5MHz Typ
The LT®1492/LT1493 are dual/quad, low power, single sup- ■
Slew Rate: 3V/
µ
s Typ
ply precision op amps with 5MHz gain-bandwidth product, ■
Low Supply Current per Amplifier: 0.55mA Max
3V/µs slew rate and only 450µA of quiescent supply current ■
Input Offset Voltage: 180
µ
V Max
per amplifier. ■ Input Offset Voltage Drift: 3µV/°C Max With a maximum input offset voltage of only 180µV, the ■ Input Offset Current: 20nA Max LT1492/LT1493 eliminate trims in most systems while pro- ■ Input Bias Current: 100nA Max viding high frequency performance not usually found in low ■ Open-Loop Gain: 1500V/mV Min (VS = ±15V) power single supply amplifiers. ■ Low Input Noise Voltage: 16.5nV/√Hz ■ The LT1492/LT1493 will operate on any supply greater than Low Input Noise Current: 0.14pA/√Hz ■ 2.5V and less than 36V total, and are specified on single 3.3V, Large Output Drive Current: 20mA Min ■ single 5V and ±15V supplies. Even with their low quiescent Single Supply Operation supply current the minimum output drive is 20mA, ideal for Input Voltage Range Includes Ground driving low impedance loads. Output Swings to Ground While Sinking Current ■ Wide Supply Voltage Range: 2.5V to 36V The inputs can be driven beyond the supplies without ■ Specified on 3.3V, 5V and ±15V damage or phase reversal of the output. The low operating ■ Dual in 8-Pin PDIP and SO Package voltage and wide input and output range make the LT1492/ ■ Quad in a Narrow 16-Pin SO Package LT1493 amplifiers ideal for battery-powered applications.
U
For applications requiring faster precision single supply
APPLICATIONS
amplifiers, see the 14MHz, 7V/µs LT1211/LT1212, the 28MHz, 12V/µs LT1213/LT1214 or the 23MHz, 50V/µs ■ Battery-Powered Systems LT1215/LT1216. Portable Instrumentation , LTC and LT are registered trademarks of Linear Technology Corporation. ■ Active Filters ■ Photodiode Amplifiers ■ DAC Current to Voltage Amplifiers
U TYPICAL APPLICATION Distribution of Offset Voltage Drift with Temperature
50 VS = 5V, 0V
Precision AC to DC Converter (Full Wave Rectifier and Filter)
LT1492 N8, S8 PACKAGES LT1493 S16 PACKAGE 40 4.99k 30 + 10k 5V 1/2 LT1492 VOUT DC 10k 15k + 20 V – IN – 10µF 10k PERCENT OF UNITS (%) 1/2 LT1492 10 + 6.49k VS = 5V, 0V < 1% ERROR FROM 100mV TO 1V, f = 1kHz 0 10% ERROR AT 10mV, f = 1kHz – 2.5 – 2 –1.5 –1 – 0.5 0 0.5 1 1.5 2 2.5 1% ERROR AT 5kHz, VIN = 100mVRMS OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C) 10% ERROR AT 30kHz, VIN = 100mVRMS 1492/93 TA01 1492/93 G02 1