LS3250A MONOLITHIC DUAL NPN TRANSISTOR
Linear Systems Log Conformance Monolithic Dual NPN
The LS3250A is a monolithic pair of NPN transistors mounted in a single TO-78 package. The monolithic dual chip design reduces parasitics and is ideal for use in tracking applications. The hermetically sealed TO-78 is well suited for hi-rel and harsh environment applications. (See Packaging Information). LS3250A Features: Tight matching Low Output Capacitance FEATURES TIGHT MATCHING THERMAL TRACKING ABSOLUTE MAXIMUM RATINGS 1 @ 25°C (unless otherwise noted) Maximum Temperatures Storage Temperature Operating Junction Temperature Maximum Power Dissipation Continuous Power Dissipation Maximum Currents Collector Current Maximum Voltages Collector to Collector Voltage MIN ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ TYP ‐‐ ‐ ‐‐ ‐‐ ‐‐ MAX 2 3 10 0.5 10 UNITS mV µV/°C nA nA/°C % ≤ 2mV ≤ 3µV/ °C
‐65°C to +150°C ‐55°C to +150°C TBD 50mA 80V CONDITIONS IC = 10mA, VCE = 5V IC = 10µA, VCE = 5V TA = ‐40°C to +85°C IC = 10µA, VCE = 5V IC = 10µA, VCE = 5V TA = ‐40°C to +85°C IC = 10µA, VCE = 5V
MATCHING CHARACTERISTICS @ 25°C (unless otherwise stated) SYMBOL CHARACTERISTIC |VBE1 – VBE2 | Base Emitter Voltage Differential ∆|(VBE1 – VBE2)| / ∆T Base Emitter Voltage Differential Change with Temperature |IB1 – IB2 | Base Current Differential |∆ (IB1 – IB2)|/ ∆T Base Current Differential Change with Temperature hFE1 /hFE2 DC Current Gain Differential
ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted) SYMBOL CHARACTERISTICS MIN. BVCBO Collector to Base Voltage 45 BVCEO Collector to Emitter Voltage 45 BVEBO2 Emitter‐Base Breakdown Voltage 6.2 BVCCO Collector to Collector Voltage 80 150 DC Current Gain hFE 120 100 VCE(SAT) Collector Saturation Voltage ‐‐ IEBO Emitter Cutoff Current ‐‐ ICBO Collector Cutoff Current ‐‐ COBO Output Capacitance ‐‐ IC1C2 Collector to Collector Leakage Current ‐‐ fT Current Gain Bandwidth Product ‐‐ NF Narrow Band Noise Figure ‐‐
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TYP. ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ MAX. ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ ‐‐ 0.25 0.2 0.2 2 1 600 3 UNITS V V V V V nA nA pF nA MHz dB
CONDITIONS IC = 10mA, IE = 0 IC = 10µA, IB = 0 IE = 10µA, IC = 0 IC = 10µA, IE = 0 IC = 10µA, VCE = 5V IC = 100µA, VCE = 5V IC = 1mA, VCE = 5V IC = 100mA, IB = 10mA IC = 0A, VCB = 3V IE = 0A, VCB = 20V IE = 0A, VCB = 10V VCC = ±80V IC = 1mA, VCE = 5V IC = 100µA, VCE = 5V, BW=200Hz, RB= 10Ω, f = 1KHz
Notes: 1. Absolute Maximum ratings are limiting values above which serviceability may be impaired 2. The reverse base‐to‐emitter voltage must never exceed 6.2 volts; the reverse base‐to‐emitter current must never exceed 10µA. TO-78 (Bottom View)
Available Packages: LS3250A in TO-78 LS3250A available as bare die Please contact Micross for full package and die dimensions: Email: chipcomponents@micross.com Web: www.micross.com/distribution.aspx
Information furnished by Linear Integrated Systems and Micross Components is believed to be accurate and reliable. However, no responsibility is assumed for its use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Linear Integrated Systems.
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