Datasheet LT1739 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Dual 500mA, 200MHz xDSL Line Driver Amplifier |
| 页数 / 页 | 20 / 3 — ELECTRICAL CHARACTERISTICS. The |
| 文件格式/大小 | PDF / 293 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The
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LT1739
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full specified temperature range, otherwise specifications are at TA = 25
°
C. VCM = 0V, pulse tested,
±
5V
≤
VS
≤ ±
12V, VSHDNREF = 0V, RBIAS = 24.9k between V+ and SHDN unless otherwise noted. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
RIN Input Resistance VCM = (V+ – 2V) to (V–+ 2V) ● 5 50 MΩ Differential 6.5 MΩ CIN Input Capacitance 3 pF Input Voltage Range (Positive) (Note 5) ● V+ – 2 V+ – 1 V Input Voltage Range (Negative) (Note 5) ● V– + 1 V– + 2 V CMRR Common Mode Rejection Ratio VCM = (V+ – 2V) to (V– + 2V) 74 83 dB ● 66 dB PSRR Power Supply Rejection Ratio VS = ±4V to ±12V 74 88 dB ● 66 dB AVOL Large-Signal Voltage Gain (Note 8) VS = ±12V, VOUT = ±10V, RL = 40Ω 63 76 dB ● 57 dB VS = ±5V, VOUT = ±3V, RL = 25Ω 60 70 dB ● 54 dB VOUT Output Swing (Note 8) VS = ±12V, RL = 100Ω 10.9 11.1 ±V ● 10.7 ±V VS = ±12V, IL = 250mA 10.6 10.9 ±V ● 10.4 ±V VS = ±5V, RL = 25Ω 3.7 4.0 ±V ● 3.5 ±V VS = ±5V, IL = 250mA 3.6 3.9 ±V ● 3.4 ±V IOUT Maximum Output Current (Note 8) VS = ±12V, RL = 1Ω 500 1200 mA IS Supply Current per Amplifier VS = ±12V, RBIAS = 24.9k (Note 6) 8.0 10 13.5 mA ● 6.7 15.0 mA VS = ±12V, RBIAS = 32.4k (Note 6) 8 mA VS = ±12V, RBIAS = 43.2k (Note 6) 6 mA VS = ±12V, RBIAS = 66.5k (Note 6) 4 mA VS = ±5V, RBIAS = 24.9k (Note 6) 2.2 3.4 5.0 mA ● 1.8 5.8 mA Supply Current in Shutdown VSHDN = 0.4V 0.1 1 mA Output Leakage in Shutdown VSHDN = 0.4V 0.3 1 mA Channel Separation (Note 8) VS = ±12V, VOUT = ±10V, RL = 40Ω 80 110 dB ● 77 dB SR Slew Rate VS = ±12V, AV = – 10, (Note 7) 300 600 V/µs VS = ±5V, AV = –10, (Note 7) 100 200 V/µs HD2 Differential 2nd Harmonic Distortion VS = ±12V, AV = 10, 2VP-P, RL = 50Ω, 1MHz – 85 dBc HD3 Differential 3rd Harmonic Distortion VS = ±12V, AV = 10, 2VP-P, RL = 50Ω, 1MHz – 82 dBc GBW Gain Bandwidth f = 1MHz 200 MHz
Note 1
: Absolute Maximum Ratings are those values beyond which the life maximum dissipation of the package is exceeded, the device will go into of a device may be impaired. thermal shutdown and be protected.
Note 2
: Applies to short circuits to ground only. A short circuit between
Note 5
: Guaranteed by the CMRR tests. the output and either supply may permanently damage the part when
Note 6
: RBIAS is connected between V + and the SHDN pin, with the operated on supplies greater than ±10V. SHDNREF pin grounded.
Note 3
: The LT1739C is guaranteed to meet specified performance from
Note 7
: Slew rate is measured at ±5V on a ±10V output signal while 0°C to 85°C and is designed, characterized and expected to meet these operating on ±12V supplies and ±1V on a ±3V output signal while extended temperature limits, but is not tested at – 40°C. The LT1739I is operating on ±5V supplies. guaranteed to meet the extended temperature limits.
Note 8
: This parameter of the LT1739CUE/LT1739IUE is 100% tested at
Note 4
: Thermal resistance varies depending upon the amount of PC board room temperature, but is not tested at –40°C, 0°C or 85°C. metal attached to the device and rate of air flow over the device. If the 1739fas, sn1739 3
ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the full specified temperature range, otherwise specifications are at TA = 25
°
C. VCM = 0V, pulse tested,
±
5V
≤
VS
≤ ±
12V, VSHDNREF = 0V, RBIAS = 24.9k between V+ and SHDN unless otherwise noted. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
RIN Input Resistance VCM = (V+ – 2V) to (V–+ 2V) ● 5 50 MΩ Differential 6.5 MΩ CIN Input Capacitance 3 pF Input Voltage Range (Positive) (Note 5) ● V+ – 2 V+ – 1 V Input Voltage Range (Negative) (Note 5) ● V– + 1 V– + 2 V CMRR Common Mode Rejection Ratio VCM = (V+ – 2V) to (V– + 2V) 74 83 dB ● 66 dB PSRR Power Supply Rejection Ratio VS = ±4V to ±12V 74 88 dB ● 66 dB AVOL Large-Signal Voltage Gain (Note 8) VS = ±12V, VOUT = ±10V, RL = 40Ω 63 76 dB ● 57 dB VS = ±5V, VOUT = ±3V, RL = 25Ω 60 70 dB ● 54 dB VOUT Output Swing (Note 8) VS = ±12V, RL = 100Ω 10.9 11.1 ±V ● 10.7 ±V VS = ±12V, IL = 250mA 10.6 10.9 ±V ● 10.4 ±V VS = ±5V, RL = 25Ω 3.7 4.0 ±V ● 3.5 ±V VS = ±5V, IL = 250mA 3.6 3.9 ±V ● 3.4 ±V IOUT Maximum Output Current (Note 8) VS = ±12V, RL = 1Ω 500 1200 mA IS Supply Current per Amplifier VS = ±12V, RBIAS = 24.9k (Note 6) 8.0 10 13.5 mA ● 6.7 15.0 mA VS = ±12V, RBIAS = 32.4k (Note 6) 8 mA VS = ±12V, RBIAS = 43.2k (Note 6) 6 mA VS = ±12V, RBIAS = 66.5k (Note 6) 4 mA VS = ±5V, RBIAS = 24.9k (Note 6) 2.2 3.4 5.0 mA ● 1.8 5.8 mA Supply Current in Shutdown VSHDN = 0.4V 0.1 1 mA Output Leakage in Shutdown VSHDN = 0.4V 0.3 1 mA Channel Separation (Note 8) VS = ±12V, VOUT = ±10V, RL = 40Ω 80 110 dB ● 77 dB SR Slew Rate VS = ±12V, AV = – 10, (Note 7) 300 600 V/µs VS = ±5V, AV = –10, (Note 7) 100 200 V/µs HD2 Differential 2nd Harmonic Distortion VS = ±12V, AV = 10, 2VP-P, RL = 50Ω, 1MHz – 85 dBc HD3 Differential 3rd Harmonic Distortion VS = ±12V, AV = 10, 2VP-P, RL = 50Ω, 1MHz – 82 dBc GBW Gain Bandwidth f = 1MHz 200 MHz
Note 1
: Absolute Maximum Ratings are those values beyond which the life maximum dissipation of the package is exceeded, the device will go into of a device may be impaired. thermal shutdown and be protected.
Note 2
: Applies to short circuits to ground only. A short circuit between
Note 5
: Guaranteed by the CMRR tests. the output and either supply may permanently damage the part when
Note 6
: RBIAS is connected between V + and the SHDN pin, with the operated on supplies greater than ±10V. SHDNREF pin grounded.
Note 3
: The LT1739C is guaranteed to meet specified performance from
Note 7
: Slew rate is measured at ±5V on a ±10V output signal while 0°C to 85°C and is designed, characterized and expected to meet these operating on ±12V supplies and ±1V on a ±3V output signal while extended temperature limits, but is not tested at – 40°C. The LT1739I is operating on ±5V supplies. guaranteed to meet the extended temperature limits.
Note 8
: This parameter of the LT1739CUE/LT1739IUE is 100% tested at
Note 4
: Thermal resistance varies depending upon the amount of PC board room temperature, but is not tested at –40°C, 0°C or 85°C. metal attached to the device and rate of air flow over the device. If the 1739fas, sn1739 3