LTC6102C-1

Part: LTC6102 / LTC6102HV — Linear Technology Corporation

Type: Precision Zero Drift Current Sense Amplifier

Description: High-side current sense amplifier operating up to 60 V (100 V for LTC6102HV) with ±10 μV maximum input offset, ±50 nV/°C maximum drift, and 1 μs step response.

Operating Conditions:

• Supply voltage: 4 V to 60 V (LTC6102), 5 V to 100 V (LTC6102HV)
• Operating temperature: -40 °C to 85 °C (suffix-dependent — see Table 2 for grade-specific ranges)
• Maximum input sense voltage full scale: 2 V (6 V ≤ V+ ≤ 60 V / 100 V)

Absolute Maximum Ratings:

• Max continuous current: -1 mA, +10 mA (Output Current); ±10 mA (Input Current: -INF, -INS, EN); -10 mA (Input Current: +IN)
• Max junction/storage temperature: -65 °C to 150 °C (Storage)

Key Specs:

• Input Offset Voltage: ±10 μV max (6 V ≤ V+ ≤ 60 V / 100 V, V_SENSE = 100 μV)
• Input Offset Voltage Drift: ±50 nV/°C max (C- and I-grade)
• Input Bias Current: 3 nA max (over full temperature for C- and I-grade, R_IN = 40 kΩ, V_SENSE = 2 mV)
• Power Supply Rejection Ratio (PSRR): 130 dB min (V+ = 6 V to 60 V / 100 V)
• Maximum Output Current: 1 mA min (6 V ≤ V+ ≤ 60 V / 100 V)
• Input Step Response: 1 μs typ (ΔV_SENSE = 100 mV transient, 6 V ≤ V+ ≤ 60 V / 100 V)
• Signal Bandwidth: 200 kHz typ (I_OUT = 1 mA, R_IN = 100 Ω, R_OUT = 4.99 kΩ)
• Supply Current: 450 μA typ, 525 μA max (V+ = 12 V, I_OUT = 0, full temperature)
• Disable Mode Supply Current: 1 μA max (LTC6102-1 only, V_EN = 0.8 V, V+ = 12 V)

Features:

• High supply voltage operation up to 60 V (LTC6102) and 100 V (LTC6102HV)
• Gain configurable with two external resistors
• Low power disable mode (LTC6102-1 only) consuming 1 μA maximum
• Fast 1 μs step response
• Indefinite output short-circuit duration

Applications:

• Current Shunt Measurement
• Battery Monitoring
• Remote Sensing
• Load Protection
• Motor Control
• Automotive Controls

Package:

• 8-Lead Plastic MSOP
• 8-Lead Plastic DFN (3 mm × 3 mm)

• n
• Supply Range: 4V to 60V , 70V Maximum (LTC6102) 5V to 100V , 105V Maximum (LTC6102HV)
• n ±10μV Input Offset Maximum
• n ±50nV/°C Input Offset Drift Maximum
• n Fast Response: 1μs Step Response
• n Gain Configurable with T wo Resistors
• n Low Input Bias Current: 3nA Maximum
• n PSRR 130dB Minimum
• n Output Currents up to 1mA
• n Operating Temperature Range: -40°C to 125°C
• n Disable Mode (LTC6102-1 Only): 1μA Maximum
• n Available in 8-Lead MSOP and 3mm × 3mm DFN Packages

• n Current Shunt Measurement
• n Battery Monitoring
• n Remote Sensing
• n Load Protection
• n Motor Control
• n Automotive Controls

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