Datasheet LT1228 (Analog Devices) - 5

LT1228
TYPICAL PERFORMANCE CHARACTERISTICS Transconductance Amplifier, Pins 1, 2, 3, 5 Small-Signal Bandwidth Small-Signal Transconductance Small-Signal Transconductance vs Set Current and Set Current vs Bias Voltage vs DC Input Voltage
100 100 10000 2.0 R1 = 100Ω VS = ±15V VS = ±2V TO ±15V V T 1.8 S = ±2V TO ±15V A = 25°C I R1 = 1k SET = 100µA 10 1000 1.6 SET CURRENT (µA) 1.4 10 –55°C 1 100 1.2 R1 = 10k 1.0 25°C 0.1 10 0.8 1 0.6 –3dB BANDWIDTH (MHz) 125°C 0.01 TRANSCONDUCTANCE (µA/mV) 1.0 TRANSCONDUCTANCE (µA/mV) 0.4 R1 = 100k 0.2 0.1 0.001 0.1 0 10 100 1000 0.9 1.0 1.1 1.2 1.3 1.4 1.5 –200 –150 –100 –50 0 50 100 150 200 SET CURRENT (µA) BIAS VOLTAGE, PIN 5 TO 4, (V) INPUT VOLTAGE (mVDC) LT1228 • TPC01 LT1228 • TPC02 LT1228 • TPC03
Total Harmonic Distortion Spot Output Noise Current Input Common Mode Limit vs Input Voltage vs Frequency vs Temperature
10 1000 V+ VS = ±15V VS = ±2V TO ±15V V+ = 2V TO 15V T –0.5 A = 25°C –1.0 ) –1.5 1 Hz ISET = 1mA I –2.0 SET = 100µA 100 2.0 0.1 SPOT NOISE (pA/√ 1.5 OUTPUT DISTORTION (%) I V– = –2V TO –15V SET = 100µA COMMON MODE RANGE (V) 1.0 ISET = 1mA 0.5 0.01 10 V– 1 10 100 1000 10 100 1k 10k 100k –50 –25 0 25 50 75 100 125 INPUT VOLTAGE (mVP–P) FREQUENCY (Hz) TEMPERATURE (°C) LT1228 • TPC04 LT1228 • TPC05 LT1228 • TPC06
Small-Signal Control Path Small-Signal Control Path Output Saturation Voltage Bandwidth vs Set Current Gain vs Input Voltage vs Temperature
100 1.0 V+ VS = ±2V TO ±15V V 0.9 IN = 200mV –0.5 (PIN 2 TO 3) 0.8 0.7 –1.0 0.6 10 ±2V ≤ VS ≤ ±15V ∆I 0.5 OUT ∆IOUT R1 = ∞ ∆ISET 0.4 ∆ISET 0.3 +1.0 –3dB BANDWIDTH (MHz) CONTROL PATH GAIN (µA/µA) 0.2 OUTPUT SATURATION VOLTAGE (V) +0.5 0.1 1 0 V– 10 100 1000 0 40 80 120 160 200 –50 –25 0 25 50 75 100 125 SET CURRENT (µA) INPUT VOLTAGE, PIN 2 TO 3, (mVDC) TEMPERATURE (°C) LT1228 • TPC07 LT1228 • TPC08 LT1228 • TPC09 1228fd 5 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Simplified Schematic Applications Information Typical Applications Package Description Revision History Typical Applications Related Parts