Datasheet LT6350 (Analog Devices) - 6

FabricanteAnalog Devices
DescripciónLow Noise Single-Ended to Differential Converter/ADC Driver
Páginas / Página28 / 6 — Typical perForMance characTerisTics
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Typical perForMance characTerisTics

Typical perForMance characTerisTics

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LT6350
Typical perForMance characTerisTics TA = 25°C, V+ = 5V, V– = 0V, V+IN1 = V2 = Mid-Supply, VSHDN = V+, RF = SHORT, RG = OPEN, RL = OPEN. See Figure 1. Offset Voltage vs Input Common Offset Voltage vs Input Common Differential VOS Delta Distribution Mode Voltage, Op Amp 1 Mode Voltage, Op Amp 1
100 0.2 0.2 434 TYPICAL UNITS VS = 5V V+ = 5V, V– = –5V 90 VS = 5V TYPICAL UNIT TYPICAL UNIT T 80 A = 25°C V 0.1 0.1 +IN1 = V2 = MID-RAIL TO TAGE (mV) TAGE (mV) 70 V+ –0.1V 60 0.0 0 50 40 –0.1 –0.1 NUMBER OF UNITS 30 20 –0.2 T –0.2 A = 125°C TA = 125°C T TA = 25°C 10 INPUT REFERRED OFFSET VOL A = 25°C T INPUT REFERRED OFFSET VOL A = –40°C TA = –40°C 0 –0.3 –0.3 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0 1 2 3 4 5 –5 –4 –3 –2 –1 0 1 2 3 4 5 CHANGE OF INPUT REFERRED VOS (mV) INPUT COMMON MODE VOLTAGE (V) INPUT COMMON MODE VOLTAGE (V) 6350 G02 6350 G10 6350 G11
Differential VOS Distribution DC Linearity DC Linearity
100 0.5 0.5 434 TYPICAL UNITS V– = 0V, V+ = 5V T 90 V A = 125°C S = 5V 0.4 V+IN2 = 2.5V 0.4 T T NO LOAD A = 85°C 80 A = 25°C V 0.3 TA = 25°C +IN1 = V2 = TYPICAL UNIT 0.3 MID-RAIL TA = –40°C 70 0.2 LINEAR FIT FOR 0.25V < VIN < 4.75V 0.2 60 0.1 0.1 50 0 0 40 –0.1 –0.1 V– = –5V, V+ = 5V NUMBER OF UNITS 30 –0.2 –0.2 V T +IN2 = 0V A = 125°C 20 –0.3 NO LOAD TA = 85°C –0.3 TYPICAL UNIT 10 –0.4 TA = 25°C LINEAR FIT FOR T –0.4 A = –40°C –4.75V < VIN < 4.75V 0 –0.5 –0.5 –0.3 –0.2 –0.1 0 0.1 0.2 0.3 0 DIFFERENTIAL OUTPUT ERROR FROM LINEAR FIT (mV) 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 –6 DIFFERENTIAL OUTPUT ERROR FROM LINEAR FIT (mV) –5 –4 –3 –2 –1 0 1 2 3 4 5 6 DIFFERENTIAL INPUT REFFERED VOS (mV) V+IN1 (V) V+IN1 (V) 6350 G01 6350 G21 6350 G22
Common Mode VOS vs Input (+IN2) Voltage Differential VOS vs Temperature
0.5 0.6 V+IN1 = V+IN2 0.4 VS = 5V TAGE (mV) VS = 10V (NOTE 6) 0.3 T 0.4 A = –40°C (mV) 0.2 0.2 OS 0.1 TA = 25°C VS = 5V 0 0 –0.1 –0.2 –0.2 COMMON MODE V –0.3 TA = 125°C –0.4 –0.4 V1 = V2 = MID-RAIL TYPICAL UNIT –0.5 –0.6 0 1 2 3 4 5 6 –60 INPUT REFERRED DIFFERENTIAL OFFSET VOL –20 20 60 100 140 +IN2 PIN VOLTAGE (V) TEMPERATURE (°C) 6350 G07 6350 G09 6350fc 6 For more information www.linear.com/LT6350 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram DC Test Circuit Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts