Datasheet LT1994 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Low Noise, Low Distortion Fully Differential Input/Output Amplifier/Driver |
| 页数 / 页 | 20 / 4 — ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply … |
| 文件格式/大小 | PDF / 232 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. The. denotes the specifi cations which apply over the full operating
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LT1994
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. V+ = 3V, V– = 0V, VCM = VOCM = VICM = mid-supply, VSHDN = OPEN, RI = RF = 499
Ω
, RL = 800
Ω
to a mid-supply voltage (See Figure 1) unless otherwise noted. VS is defi ned (V+ – V–). VOUTCM is defi ned as (V + – + – + – + – OUT + VOUT )/2. VICM is defi ned as (VIN + VIN )/2. VOUTDIFF is defi ned as (VOUT – VOUT ). VINDIFF is defi ned as (VIN – VIN ). C/I GRADES H/MP GRADES SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
ΔVOSCM/ΔT Common Mode Offset Voltage Drift VS = 2.375V, VICM = VS/4 5 5 μV/°C VS = 3V 5 5 μV/°C VS = 5V 5 5 μV/°C VS = ±5V 5 5 μV/°C VOUTCMR Output Signal Common Mode Range VS = 3V, ±5V l V– + V+ V– + V+ V (Note 7) (Voltage Range for the VOCM Pin) 1.1 – 0.8 1.1 – 0.8 RINVOCM Input Resistance, VOCM Pin l 30 40 60 30 40 60 kΩ VMID Voltage at the VOCM Pin VS = 5V l 2.45 2.5 2.55 2.45 2.5 2.55 V VOUT Output Voltage, High, Either Output Pin VS = 3V, No Load l 70 140 70 140 mV (Note 10) VS = 3V, RL = 800Ω l 90 175 90 175 mV VS = 3V, RL = 100Ω l 200 400 200 400 mV VS = ±5V, No Load l 150 325 150 325 mV VS = ±5V, RL = 800Ω l 200 450 200 450 mV VS = ±5V, RL = 100Ω l 900 2400 900 2400 mV Output Voltage, Low, Either Output Pin VS = 3V, No Load l 30 70 30 70 mV (Note 10) VS = 3V, RL = 800Ω l 50 90 50 90 mV VS = 3V, RL = 100Ω l 125 250 125 250 mV VS = ±5V, No Load l 80 180 80 180 mV VS = ±5V, RL = 800Ω l 125 250 125 250 mV VS = ±5V, RL = 100Ω l 900 2400 900 2400 mV ISC Output Short-Circuit Current, Either V l S = 2.375V, RL = 10Ω ±25 ±35 ±10 ±35 mA Output Pin (Note 11) V l S = 3V, RL = 10Ω ±30 ±40 ±15 ±40 mA V l S = 5V, RL = 10Ω ±40 ±65 ±40 ±65 mA V l S = ±5V, VCM = 0V, RL = 10Ω ±45 ±85 ±45 ±85 mA SR Slew Rate V + – l S = 5V, ΔVOUT = –ΔVOUT = 1V 50 65 85 50 65 85 V/μS V l S = ±5V, VCM = 0V, 50 65 85 50 65 85 V/μS ΔV + – OUT = –ΔVOUT = 1.8V GBW Gain-Bandwidth Product VS = 3V, TA = 25°C l 58 70 58 70 MHz (fTEST = 1MHz) VS = ±5V, VCM = 0V, TA = 25°C l 58 70 58 70 MHz Distortion VS = 3V, RL = 800Ω, fIN = 1MHz, V + – OUT – VOUT = 2VP-P Differential Input 2nd Harmonic –99 –99 dBc 3rd Harmonic –96 –96 dBc Single-Ended Input 2nd Harmonic –94 –94 dBc 3rd Harmonic –108 –108 dBc tS Settling Time VS = 3V, 0.01%, 2V Step 120 120 ns VS = 3V, 0.1%, 2V Step 90 90 ns AVOL Large-Signal Voltage Gain VS = 3V 100 100 dB VS Supply Voltage Range l 2.375 12.6 2.375 12.6 V IS Supply Current VS = 3V l 13.3 18.5 13.3 20.0 mA VS = 5V l 13.9 19.5 13.9 20.5 mA VS = ±5V l 14.8 20.5 14.8 21.5 mA ISHDN Supply Current in Shutdown VS = 3V l 0.225 0.8 0.225 0.8 mA VS = 5V l 0.375 1.75 0.375 1.75 mA VS = ±5V l 0.7 2.5 0.7 2.5 mA 1994fb 4
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. V+ = 3V, V– = 0V, VCM = VOCM = VICM = mid-supply, VSHDN = OPEN, RI = RF = 499
Ω
, RL = 800
Ω
to a mid-supply voltage (See Figure 1) unless otherwise noted. VS is defi ned (V+ – V–). VOUTCM is defi ned as (V + – + – + – + – OUT + VOUT )/2. VICM is defi ned as (VIN + VIN )/2. VOUTDIFF is defi ned as (VOUT – VOUT ). VINDIFF is defi ned as (VIN – VIN ). C/I GRADES H/MP GRADES SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
ΔVOSCM/ΔT Common Mode Offset Voltage Drift VS = 2.375V, VICM = VS/4 5 5 μV/°C VS = 3V 5 5 μV/°C VS = 5V 5 5 μV/°C VS = ±5V 5 5 μV/°C VOUTCMR Output Signal Common Mode Range VS = 3V, ±5V l V– + V+ V– + V+ V (Note 7) (Voltage Range for the VOCM Pin) 1.1 – 0.8 1.1 – 0.8 RINVOCM Input Resistance, VOCM Pin l 30 40 60 30 40 60 kΩ VMID Voltage at the VOCM Pin VS = 5V l 2.45 2.5 2.55 2.45 2.5 2.55 V VOUT Output Voltage, High, Either Output Pin VS = 3V, No Load l 70 140 70 140 mV (Note 10) VS = 3V, RL = 800Ω l 90 175 90 175 mV VS = 3V, RL = 100Ω l 200 400 200 400 mV VS = ±5V, No Load l 150 325 150 325 mV VS = ±5V, RL = 800Ω l 200 450 200 450 mV VS = ±5V, RL = 100Ω l 900 2400 900 2400 mV Output Voltage, Low, Either Output Pin VS = 3V, No Load l 30 70 30 70 mV (Note 10) VS = 3V, RL = 800Ω l 50 90 50 90 mV VS = 3V, RL = 100Ω l 125 250 125 250 mV VS = ±5V, No Load l 80 180 80 180 mV VS = ±5V, RL = 800Ω l 125 250 125 250 mV VS = ±5V, RL = 100Ω l 900 2400 900 2400 mV ISC Output Short-Circuit Current, Either V l S = 2.375V, RL = 10Ω ±25 ±35 ±10 ±35 mA Output Pin (Note 11) V l S = 3V, RL = 10Ω ±30 ±40 ±15 ±40 mA V l S = 5V, RL = 10Ω ±40 ±65 ±40 ±65 mA V l S = ±5V, VCM = 0V, RL = 10Ω ±45 ±85 ±45 ±85 mA SR Slew Rate V + – l S = 5V, ΔVOUT = –ΔVOUT = 1V 50 65 85 50 65 85 V/μS V l S = ±5V, VCM = 0V, 50 65 85 50 65 85 V/μS ΔV + – OUT = –ΔVOUT = 1.8V GBW Gain-Bandwidth Product VS = 3V, TA = 25°C l 58 70 58 70 MHz (fTEST = 1MHz) VS = ±5V, VCM = 0V, TA = 25°C l 58 70 58 70 MHz Distortion VS = 3V, RL = 800Ω, fIN = 1MHz, V + – OUT – VOUT = 2VP-P Differential Input 2nd Harmonic –99 –99 dBc 3rd Harmonic –96 –96 dBc Single-Ended Input 2nd Harmonic –94 –94 dBc 3rd Harmonic –108 –108 dBc tS Settling Time VS = 3V, 0.01%, 2V Step 120 120 ns VS = 3V, 0.1%, 2V Step 90 90 ns AVOL Large-Signal Voltage Gain VS = 3V 100 100 dB VS Supply Voltage Range l 2.375 12.6 2.375 12.6 V IS Supply Current VS = 3V l 13.3 18.5 13.3 20.0 mA VS = 5V l 13.9 19.5 13.9 20.5 mA VS = ±5V l 14.8 20.5 14.8 21.5 mA ISHDN Supply Current in Shutdown VS = 3V l 0.225 0.8 0.225 0.8 mA VS = 5V l 0.375 1.75 0.375 1.75 mA VS = ±5V l 0.7 2.5 0.7 2.5 mA 1994fb 4