|Category||Analog & Mixed-Signal Processing => Amplifiers => Operational Amplifiers => JFET Input|
|Description||LTC1150, 15V Zero-drift Operational Amplifier With Internal Capacitors|
|Company||Linear Technology Corporation|
|Datasheet||Download LTC1150 datasheet
|LTC1150 ±15V Zero-Drift Operational Amplifier with Internal Capacitors DESCRIPTIO
The is a high-voltage, high-performance zero-drift operational amplifier. The two sample-and-hold capacitors usually required externally by other chopper amplifiers are integrated on-chip. Further, LTC's proprietary high-voltage CMOS structures allow the LTC1150 to operate to 32V total supply voltage. The LTC1150 has an offset voltage of 0.5µV, drift to 10Hz input noise voltage of 1.8µVP-P and a typical voltage gain of 180dB. The slew rate of 3V/µs and a gain bandwidth product of 2.5MHz are achieved with 0.8mA of supply current. Overload recovery times from positive and negative saturation conditions are 3ms and 20ms, respectively. For applications demanding low power consumption, Pin 1 can be used to program the supply current. Pin is an optional AC-coupled clock input, useful for synchronization. The LTC1150 is available in standard 8-lead, plastic dualin-line package, as well 8-lead SO package. The LTC1150 can be a plug-in replacement for most standard bipolar op amps with significant improvement in DC performance.FEATURES
High Voltage Operation: ±16V No External Components Required Maximum Offset Voltage: 10µV Maximum Offset Voltage Drift: 0.05µV/°C Low Noise to 10Hz) Minimum Voltage Gain: 135dB Minimum PSRR: 120dB Minimum CMRR: 110dB Low Supply Current: 0.8mA Single Supply Operation: to 32V Input Common Mode Range Includes Ground 200µA Supply Current with Pin 1 Grounded Typical Overload Recovery Time 20ms
Strain Gauge Amplifiers Electronic Scales Medical Instrumentation Thermocouple Amplifiers High Resolution Data Acquisition
GAIN = 1000V/V OUTPUT OFFSET 5mV TOTAL SUPPLY CURRENT DECREASES TO 400µA WHEN BOTH PIN 1s ARE GROUNDED
Total Supply Voltage V 32V Input Voltage (Note 0.3V) to (V 0.3V) Output Short Circuit Duration.......................... Indefinite Burn-In Voltage....................................................... 32VConsult LTC Marketing for parts specified with wider operating temperature ranges.
PARAMETER Input Offset Voltage Average Input Offset Drift Long Term Offset Voltage Drift Input Offset Current CONDITIONS (Note 3) (Note 3)
The denotes the specifications which apply over the full operating temperature range otherwise specifications are ± 15V, Pin 1 = Open, unless otherwise noted.
Input Noise Voltage Input Noise Current Common Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain Maximum Output Voltage Swing
Operating Temperature Range to 85°C Storage Temperature Range................. to 150°C Lead Temperature (Soldering, 10 sec).................. 300°C
PARAMETER Slew Rate Gain Bandwidth Product Supply Current No Load No Load, Pin No Load CONDITIONS = 50pF
The denotes the specifications which apply over the full operating temperature range, otherwise specifications are = ±15V, Pin 1 = Open, unless otherwise noted.
The denotes the specifications which apply over the full operating temperature range, otherwise specifications are = 5V, Pin 1 = Open, unless otherwise noted.
PARAMETER Input Offset Voltage Average Input Offset Drift Long Term Offset Voltage Drift Input Offset Current Input Bias Current Input Noise Voltage Input Noise Current Common Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain = 10Hz (Note 4) VCM = 10k, VOUT to 4.5VUNITS µV µV/°C µV/mo pA µVP-P fA/Hz dB V V/µs MHz
Maximum Output Voltage Swing = 100k Slew Rate Gain Bandwidth Product Supply Current Internal Sampling Frequency Note 1: Absolute Maximum Ratings are those values beyond which life of the device may be impaired. Note 2: Connecting any terminal to voltages greater than + or less than V may cause destructive latch-up. It is recommended that no sources operating from external supplies be applied prior to power-up of the LTC1150. No Load
Note 3: These parameters are guaranteed by design. Thermocouple effects preclude measurement of these voltage levels in high-speed automatic test systems. VOS is measured to a limit determined by test equipment capability. Note 4: Current Noise is calculated from the formula: = (2q Ib) where q Coulomb.
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