Datasheet LT1795 (Analog Devices) - 3

LT1795
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full specified temperature range, otherwise specifications are at TA = 25
°
C. VCM = 0V,
±
5V
≤
VS
≤ ±
15V, pulse tested, VSHDN = 2.5V, VSHDNREF = 0V unless otherwise noted. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
R + IN Input Resistance VIN = ±12V, VS = ±15V ● 1.5 10 MΩ V = ±2V, VS = ±5V ● 0.5 5 MΩ C + IN Input Capacitance VIN = ±15V 2 pF Input Voltage Range (Note 5) VS = ±15V ● ±12 ±13.5 V VS = ±5V ● ±2 ±3.5 V CMRR Common Mode Rejection Ratio VS = ±15V, VCM = ±12V ● 55 62 dB VS = ±5V, VCM = ±2V ● 50 60 dB Inverting Input Current VS = ±15V, VCM = ±12V ● 1 10 µA/V Common Mode Rejection VS = ±5V, VCM = ±2V ● 1 10 µA/V PSRR Power Supply Rejection Ratio VS = ±5V to ±15V ● 60 77 dB Noninverting Input Current VS = ±5V to ±15V ● 30 500 nA/V Power Supply Rejection Inverting Input Current VS = ±5V to ±15V ● 1 5 µA/V Power Supply Rejection AV Large-Signal Voltage Gain VS = ±15V, VOUT = ±10V, RL = 25Ω ● 55 68 dB VS = ±5V, VOUT = ±2V, RL = 12Ω ● 55 68 dB R – OL Transresistance, ∆VOUT/∆IIN VS = ±15V, VOUT = ±10V, RL = 25Ω ● 75 200 kΩ VS = ±5V, VOUT = ±2V, RL = 12Ω ● 75 200 kΩ VOUT Maximum Output Voltage Swing VS = ±15V, RL = 25Ω ±11.5 ±12.5 V ● ±10.0 ±11.5 V VS = ±5V, RL = 12Ω ±2.5 ±3 V ● ±2.0 ±3 V IOUT Maximum Output Current VS = ±15V, RL = 1Ω ● 0.5 1 A IS Supply Current Per Amplifier VS = ±15V, VSHDN = 2.5V 29 34 mA ● 42 mA Supply Current Per Amplifier, VS = ±15V 15 20 mA RSHDN = 51k, (Note 6) ● 25 mA Positive Supply Current, Shutdown VS = ±15V, VSHDN = 0.4V ● 1 200 µA Output Leakage Current, Shutdown VS = ±15V, VSHDN = 0.4V 1 200 µA Channel Separation VS = ±15V, VOUT = ±10V, RL = 25Ω 80 110 dB HD2, HD3 2nd and 3rd Harmonic Distortion f = 1MHz, VO = 20VP-P, RL = 50, AV = 2 –75 dBc Differential Mode SR Slew Rate (Note 7) AV = 4, RL = 400Ω 400 900 V/µs Slew Rate AV = 4, RL = 25Ω 900 V/µs BW Small-Signal BW AV = 2, VS = ±15V, Peaking ≤ 1.5dB 65 MHz RF = RG = 910Ω, RL = 100Ω AV = 2, VS = ±15V, Peaking ≤ 1.5dB 50 MHz RF = RG = 820Ω, RL = 25Ω
Note 1:
Absolute Maximum Ratings are those values beyond which the life
Note 4:
Thermal resistance varies depending upon the amount of PC board of a device may be impaired. metal attached to the device. If the maximum dissipation of the package is
Note 2:
Applies to short-circuits to ground only. A short-circuit between exceeded, the device will go into thermal shutdown and be protected. the output and either supply may permanently damage the part when
Note 5:
Guaranteed by the CMRR tests. operated on supplies greater than ±10V.
Note 6:
RSHDN is connected between the SHDN pin and V+.
Note 3:
The LT1795C is guaranteed to meet specified performance from
Note 7:
Slew rate is measured at ±5V on a ±10V output signal while 0°C to 70°C and is designed, characterized and expected to meet these operating on ±15V supplies with RF = 1k, RG = 333Ω (AV = +4) and extended temperature limits, but is not tested at – 40°C and 85°C. The RL = 400Ω. LT1795I is guaranteed to meet the extended temperature limits. 1795fa 3