Datasheet LT1211, LT1212 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | 14MHz, 7V/µs, Single Supply Dual and Quad Precision Op Amps |
| 页数 / 页 | 20 / 1 — FEATURES. DESCRIPTIO. Slew Rate: 7V/. s Typ. Gain-Bandwidth Product: … |
| 文件格式/大小 | PDF / 394 Kb |
| 文件语言 | 英语 |
FEATURES. DESCRIPTIO. Slew Rate: 7V/. s Typ. Gain-Bandwidth Product: 14MHz Typ. APPLICATIO S. Note:. TYPICAL APPLICATIO
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LT1211/LT1212 14MHz, 7V/µs, Single Supply Dual and Quad Precision Op Amps
U FEATURES DESCRIPTIO
■
Slew Rate: 7V/
µ
s Typ
The LT®1211 is a dual, single supply precision op amp with ■
Gain-Bandwidth Product: 14MHz Typ
a 14MHz gain-bandwidth product and a 7V/µs slew rate. ■ Fast Settling to 0.01% The LT1212 is a quad version of the same amplifier. The 2V Step to 200µV: 900ns Typ DC precision of the LT1211/LT1212 eliminates trims in 10V Step to 1mV: 2.2µs Typ most systems while providing high frequency perfor- ■ Excellent DC Precision in All Packages mance not usually found in single supply amplifiers. Input Offset Voltage: 275µV Max The LT1211/LT1212 will operate on any supply greater Input Offset Voltage Drift: 6µV/°C Max than 2.5V and less than 36V total. These amplifiers are Input Offset Current: 30nA Max specified on single 3.3V, single 5V and ±15V supplies, and Input Bias Current: 125nA Max only require 1.3mA of quiescent supply current per ampli- Open-Loop Gain: 1200V/mV Min fier. The inputs can be driven beyond the supplies without ■ Single Supply Operation damage or phase reversal of the output. The minimum Input Voltage Range Includes Ground output drive is 20mA, ideal for driving low impedance Output Swings to Ground While Sinking Current loads. ■ Low Input Noise Voltage: 12nV/√Hz Typ ■ Low Input Noise Current: 0.2pA/√Hz Typ
U
■ Specified on 3.3V, 5V and ±15V
APPLICATIO S
■ Large Output Drive Current: 20mA Min ■ 2.5V Full-Scale 12-Bit Systems: V ■ Low Supply Current per Amplifier: 1.8mA Max OS ≤ 0.45LSB ■ 10V Full-Scale 16-Bit Systems: VOS ≤ 1.8LSB ■ Dual in 8-Pin DIP and SO-8 ■ Active Filters ■ Quad in 14-Pin DIP and Narrow SO-16 ■ Photo Diode Amplifiers
Note:
For applications requiring higher slew rate, see the LT1213/LT1214 and ■ DAC Current-to-Voltage Amplifiers LT1215/LT1216 data sheets. ■ Battery-Powered Systems , LTC and LT are registered trademarks of Linear Technology Corporation.
U TYPICAL APPLICATIO Input Bias Current Cancellation Input Current vs Input Voltage
R R G F 100 VS = 5V, VOUT IN V+ 90 LINEAR REGION – 80 WITHOUT CANCELLATION 1/2 70 LT1211 VOUT RIN = 300M V 60 IN + SIGNAL AMP 50 40 1M WITH CANCELLATION INPUT CURRENT (nA) 30 + 1/2 20 CANCELLATION R LT1211 IN = 2.4G AMP 22pF 10 – 0 0.01 0.1 1 10 1211/12 TA01 INPUT VOLTAGE (V) 1M 1211/12 TA02 1
U FEATURES DESCRIPTIO
■
Slew Rate: 7V/
µ
s Typ
The LT®1211 is a dual, single supply precision op amp with ■
Gain-Bandwidth Product: 14MHz Typ
a 14MHz gain-bandwidth product and a 7V/µs slew rate. ■ Fast Settling to 0.01% The LT1212 is a quad version of the same amplifier. The 2V Step to 200µV: 900ns Typ DC precision of the LT1211/LT1212 eliminates trims in 10V Step to 1mV: 2.2µs Typ most systems while providing high frequency perfor- ■ Excellent DC Precision in All Packages mance not usually found in single supply amplifiers. Input Offset Voltage: 275µV Max The LT1211/LT1212 will operate on any supply greater Input Offset Voltage Drift: 6µV/°C Max than 2.5V and less than 36V total. These amplifiers are Input Offset Current: 30nA Max specified on single 3.3V, single 5V and ±15V supplies, and Input Bias Current: 125nA Max only require 1.3mA of quiescent supply current per ampli- Open-Loop Gain: 1200V/mV Min fier. The inputs can be driven beyond the supplies without ■ Single Supply Operation damage or phase reversal of the output. The minimum Input Voltage Range Includes Ground output drive is 20mA, ideal for driving low impedance Output Swings to Ground While Sinking Current loads. ■ Low Input Noise Voltage: 12nV/√Hz Typ ■ Low Input Noise Current: 0.2pA/√Hz Typ
U
■ Specified on 3.3V, 5V and ±15V
APPLICATIO S
■ Large Output Drive Current: 20mA Min ■ 2.5V Full-Scale 12-Bit Systems: V ■ Low Supply Current per Amplifier: 1.8mA Max OS ≤ 0.45LSB ■ 10V Full-Scale 16-Bit Systems: VOS ≤ 1.8LSB ■ Dual in 8-Pin DIP and SO-8 ■ Active Filters ■ Quad in 14-Pin DIP and Narrow SO-16 ■ Photo Diode Amplifiers
Note:
For applications requiring higher slew rate, see the LT1213/LT1214 and ■ DAC Current-to-Voltage Amplifiers LT1215/LT1216 data sheets. ■ Battery-Powered Systems , LTC and LT are registered trademarks of Linear Technology Corporation.
U TYPICAL APPLICATIO Input Bias Current Cancellation Input Current vs Input Voltage
R R G F 100 VS = 5V, VOUT IN V+ 90 LINEAR REGION – 80 WITHOUT CANCELLATION 1/2 70 LT1211 VOUT RIN = 300M V 60 IN + SIGNAL AMP 50 40 1M WITH CANCELLATION INPUT CURRENT (nA) 30 + 1/2 20 CANCELLATION R LT1211 IN = 2.4G AMP 22pF 10 – 0 0.01 0.1 1 10 1211/12 TA01 INPUT VOLTAGE (V) 1M 1211/12 TA02 1