Datasheet LT1112, LT1114 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Dual/Quad Low Power Precision, Picoamp Input Op Amps |
| Pages / Page | 16 / 8 — TYPICAL PERFOR A CE CHARACTERISTICS. Minimum Supply Voltage vs Temp. … |
| File Format / Size | PDF / 348 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Minimum Supply Voltage vs Temp. Common Mode Range and. Voltage Gain at Minimum Supply
Model Line for this Datasheet
Text Version of Document
LT1112/LT1114
W U TYPICAL PERFOR A CE CHARACTERISTICS Minimum Supply Voltage vs Temp Common Mode Range and Voltage Gain at Minimum Supply Voltage Swing with Respect to Output Voltage Swing Voltage Supply Voltages vs Load Current
±1.2 V+ V+ VS = ±1V TO ±20V ±1.1 V+ – 0.2 IL < 100µA V+ – 1 V+ – 0.4 ±1.0 VS = ±1V TO ± 20V SWING T V+ – 0.6 ±0.9 V+ – 2 A = 25°C MAX IL AT ±1V = 1.3mA MINIMUM SUPPLY (V) V+ – 0.8 AT ±1.5V = 3mA CM RANGE V+ – 3 100 V+ – 1.0 V – + 3 80 V– + 0.8 SWING 60 V– + 0.6 OUTPUT SWING (V) V– + 2 CM RANGE 40 V– + 0.4 V – + 1 V– + 0.2 VOLTAGE GAIN (V/mV) V– COMMON MODE RANGE OR OUTPUT SWING (V) V – –50 –25 0 25 50 75 100 125 –75 –25 25 75 125 –9 –6 –3 0 3 6 9 TEMPERATURE (°C) TEMPERATURE (°C) SINK SOURCE OUTPUT CURRENT (mA) LT1112/14 • TPC17 LT1112/14 • TPC16 LT1112/14 • TPC18
Voltage Gain Voltage Gain vs Frequency Gain, Phase Shift vs Frequency
–15 140 40 100 VS = ±15V V V S = ±15V S = ±15V TA = 25°C 120 T T A = 25°C A = 25°C µV) –10 30 120 100 PHASE SHIFT (DEG) –5 PHASE 80 R 20 140 L = 10k 0 60 GAIN R GAIN (dB) L = 2k 10 160 40 5 VOLTAGE GAIN (dB) 20 0 180 CHANGE IN OFFSET VOLTAGE ( 10 PHASE MARGIN = 70°C 0 15 –20 –10 200 –15 –10 –5 0 5 10 15 0.01 0.1 1 10 100 1k 10k 100k 1M 10M 0.01 0.1 1 10 OUTPUT VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (MHz) LT1112/14 • TPC21 LT1112/14 • TPC19 LT1112/14 • TPC20
Common Mode Rejection Power Supply Rejection vs Frequency vs Frequency Channel Separation vs Frequency
140 140 160 V V V S = ±15V S = ±15V S = ±15V T T T A = 25°C A = 25°C A = 25°C 120 120 NEGATIVE 140 SUPPLY 100 100 80 120 80 POSITIVE 60 SUPPLY 60 100 40 AMP 1 IN UNITY-GAIN CHANNEL SEPARATION (dB) 20V 40 P-P, RL = 2k 20 80 AMP 2 IN GAIN = 1000 COMMON MODE REJECTION RATIO (dB) POWER SUPPLY REJECTION RATIO (dB) RS = 100Ω, RF = 100k 0 20 1 10 100 1k 10k 100k 1M 0.1 1 10 100 1k 10k 100k 1M 1 10 100 1k 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) LT1112/14 • TPC23 LT1112/14 • TPC22 LT1112/14 • TPC24 111214fb 8
W U TYPICAL PERFOR A CE CHARACTERISTICS Minimum Supply Voltage vs Temp Common Mode Range and Voltage Gain at Minimum Supply Voltage Swing with Respect to Output Voltage Swing Voltage Supply Voltages vs Load Current
±1.2 V+ V+ VS = ±1V TO ±20V ±1.1 V+ – 0.2 IL < 100µA V+ – 1 V+ – 0.4 ±1.0 VS = ±1V TO ± 20V SWING T V+ – 0.6 ±0.9 V+ – 2 A = 25°C MAX IL AT ±1V = 1.3mA MINIMUM SUPPLY (V) V+ – 0.8 AT ±1.5V = 3mA CM RANGE V+ – 3 100 V+ – 1.0 V – + 3 80 V– + 0.8 SWING 60 V– + 0.6 OUTPUT SWING (V) V– + 2 CM RANGE 40 V– + 0.4 V – + 1 V– + 0.2 VOLTAGE GAIN (V/mV) V– COMMON MODE RANGE OR OUTPUT SWING (V) V – –50 –25 0 25 50 75 100 125 –75 –25 25 75 125 –9 –6 –3 0 3 6 9 TEMPERATURE (°C) TEMPERATURE (°C) SINK SOURCE OUTPUT CURRENT (mA) LT1112/14 • TPC17 LT1112/14 • TPC16 LT1112/14 • TPC18
Voltage Gain Voltage Gain vs Frequency Gain, Phase Shift vs Frequency
–15 140 40 100 VS = ±15V V V S = ±15V S = ±15V TA = 25°C 120 T T A = 25°C A = 25°C µV) –10 30 120 100 PHASE SHIFT (DEG) –5 PHASE 80 R 20 140 L = 10k 0 60 GAIN R GAIN (dB) L = 2k 10 160 40 5 VOLTAGE GAIN (dB) 20 0 180 CHANGE IN OFFSET VOLTAGE ( 10 PHASE MARGIN = 70°C 0 15 –20 –10 200 –15 –10 –5 0 5 10 15 0.01 0.1 1 10 100 1k 10k 100k 1M 10M 0.01 0.1 1 10 OUTPUT VOLTAGE (V) FREQUENCY (Hz) FREQUENCY (MHz) LT1112/14 • TPC21 LT1112/14 • TPC19 LT1112/14 • TPC20
Common Mode Rejection Power Supply Rejection vs Frequency vs Frequency Channel Separation vs Frequency
140 140 160 V V V S = ±15V S = ±15V S = ±15V T T T A = 25°C A = 25°C A = 25°C 120 120 NEGATIVE 140 SUPPLY 100 100 80 120 80 POSITIVE 60 SUPPLY 60 100 40 AMP 1 IN UNITY-GAIN CHANNEL SEPARATION (dB) 20V 40 P-P, RL = 2k 20 80 AMP 2 IN GAIN = 1000 COMMON MODE REJECTION RATIO (dB) POWER SUPPLY REJECTION RATIO (dB) RS = 100Ω, RF = 100k 0 20 1 10 100 1k 10k 100k 1M 0.1 1 10 100 1k 10k 100k 1M 1 10 100 1k 10k 100k 1M FREQUENCY (Hz) FREQUENCY (Hz) FREQUENCY (Hz) LT1112/14 • TPC23 LT1112/14 • TPC22 LT1112/14 • TPC24 111214fb 8
