DatasheetLT6236, LT6237, LT6238 (Analog Devices) - 10

HerstellerAnalog Devices
BeschreibungRail-to-Rail Output 215MHz, 1.1nV/√Hz Op Amp/SAR ADC Driver
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e lecTrical characTerisTics The. denotes the specifications which apply over the –40°C < TA < 125°C

e lecTrical characTerisTics The denotes the specifications which apply over the –40°C < TA < 125°C

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LT6236/LT6237/LT6238
e lecTrical characTerisTics The
l
denotes the specifications which apply over the –40°C < TA < 125°C temperature range. VS = ±5V, VCM = VOUT = 0V, ENABLE = 0V, unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOS Input Offset Voltage LT6236 l 750 µV LT6237MS8, LT6238GN l 650 µV LT6237DD8 l 700 µV Input Offset Voltage Match l 1000 µV (Channel-to-Channel) (Note 6) VOSTC Input Offset Voltage Drift (Note 10) LT6236 l 0.7 2.2 µV/°C LT6237MS8 l 0.5 1.8 µV/°C LT6237DD8 l 0.4 2.2 µV/°C LT6238GN l 0.5 2.2 µV/°C IB Input Bias Current l 12 µA IB Match (Channel-to-Channel) (Note 6) l 1.1 µA IOS Input Offset Current l 1.2 µA AVOL Large-Signal Gain VO = ±4.5V, RL = 10k l 76 V/mV VO = ±4.5V, RL = 1k l 21 V/mV VO = ±1.5V, RL = 100Ω l 4.1 V/mV VCM Input Voltage Range Guaranteed by CMRR l –3 4 V CMRR Common Mode Rejection Ratio VCM = –3V to 4V l 95 dB PSRR Power Supply Rejection Ratio VS = ±1.5V to ±5V l 85 dB VOL Output Voltage Swing Low (Note 8) No Load l 70 mV ISINK = 5mA l 230 mV ISINK = 15mA l 550 mV VOH Output Voltage Swing High (Note 8) No Load l 78 mV ISOURCE = 5mA l 240 mV ISOURCE = 20mA l 710 mV ISC Short-Circuit Current l ±15 mA IS Supply Current per Amplifier l 5.5 mA Disabled Supply Current per Amplifier ENABLE = 4.85V l 10 µA IENABLE ENABLE Pin Current ENABLE = 0.3V l –110 µA VL ENABLE Pin Input Voltage Low l 0.3 V VH ENABLE Pin Input Voltage High l 4.85 V SR Slew Rate AV = –1, RL = 1k, VO = –2V to 2V l 37 V/µs FPBW Full-Power Bandwidth VOUT = 3VP-P (Note 9) l 3.9 MHz
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings The LT6236H/LT6237H/LT6238H are guaranteed to meet specified may cause permanent damage to the device. Exposure to any Absolute performance from –40°C to 125°C. The LT6236C/LT6237C/LT6238C are Maximum Rating condition for extended periods may affect device designed, characterized and expected to meet specified performance from reliability and lifetime. –40°C to 85°C, but are not tested or QA sampled at these temperatures.
Note 2:
Inputs are protected by back-to-back diodes. If the differential
Note 6:
Matching parameters are the difference between the two amplifiers input voltage exceeds 0.7V, the input current must be limited to less than A and D and between B and C of the LT6238 and between the two 40mA. amplifiers of the LT6237.
Note 3:
A heat sink may be required to keep the junction temperature
Note 7:
Minimum supply voltage is guaranteed by power supply rejection below the absolute maximum rating when the output is shorted ratio test. indefinitely.
Note 8:
Output voltage swings are measured between the output and
Note 4:
The LT6236C/LT6236I/LT6236H, the LT6237C/LT6237I/LT6237H power supply rails. and the LT6238C/LT6238I/LT6238H are guaranteed functional over the
Note 9:
Full-power bandwidth is calculated from the slew rate: temperature range of –40°C to 125°C. FPBW = SR/2πVP
Note 5:
The LT6236C/LT6237C/LT6238C are guaranteed to meet specified
Note 10:
This parameter is not 100% tested. performance from 0°C to 70°C. The LT6236I/LT6237I/LT6238I are guaranteed to meet specified performance from –40°C to 85°C. 623637fb 10 For more information www.linear.com/LT6236