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PGA116AIPWR Datasheet(PDF) 3 Page - Texas Instruments |
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PGA116AIPWR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 47 page ELECTRICAL CHARACTERISTICS: VS = AVDD = DVDD = +5V PGA112 ,, PGA113 PGA116, PGA117 www.ti.com ............................................................................................................................................ SBOS424B – MARCH 2008 – REVISED SEPTEMBER 2008 Boldface limits apply over the specified temperature range, TA = –40°C to +125°C. At TA = +25°C, RL = 10kΩ//CL = 100pF connected to DVDD/2, and VREF = GND, unless otherwise noted. PGA112, PGA113, PGA116, PGA117 PARAMETER CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE Input Offset Voltage VOS AVDD = DVDD = +5V, VREF = VIN = AVDD/2, VCM = 2.5V ±25 ±100 µV AVDD = DVDD = +5V, VREF = VIN = AVDD/2, VCM = 4.5V ±75 ±325 µV vs Temperature, –40°C to +125°C dVOS/dT AVDD = DVDD = +5V, VCM = 2.5V 0.35 1.2 µV/°C vs Temperature, –40°C to +85°C AVDD = DVDD = +5V, VCM = 2.5V 0.15 0.9 µV/°C vs Temperature, –40°C to +125°C AVDD = DVDD = +5V, VCM = 4.5V 0.6 1.8 µV/°C vs Temperature, –40°C to +85°C AVDD = DVDD = +5V, VCM = 4.5V 0.3 1.3 µV/°C AVDD = DVDD = +2.2V to +5.5V, VCM = 0.5V, vs Power Supply PSRR 5 20 µV/V VREF = VIN = AVDD/2 AVDD = DVDD = +2.2V to +5.5V, VCM = 0.5V, Over Temperature, –40°C to +125°C 5 40 µV/V VREF = VIN = AVDD/2 INPUT ON-CHANNEL CURRENT Input On-Channel Current (Ch0, Ch1) IIN VREF = VIN = AVDD/2 ±1.5 ±5 nA Over Temperature, –40°C to +125°C VREF = VIN = AVDD/2 See Typical Characteristics nA INPUT VOLTAGE RANGE Input Voltage Range (1) IVR GND – 0.1 AVDD + 0.1 V Overvoltage Input Range No Output Phase Reversal (2) GND – 0.3 AVDD + 0.3 V INPUT IMPEDANCE (Channel On) (3) Channel Input Capacitance CCH 2 pF Channel Switch Resistance RSW 150 Ω Amplifier Input Capacitance CAMP 3 pF Amplifier Input Resistance RAMP Input Resistance to GND 10 G Ω VCAL/CH0 RIN CAL1 or CAL2 Selected 100 k Ω GAIN SELECTIONS Nominal Gains Binary gains: 1, 2, 4, 8, 16, 32, 64, 128 1 128 Scope gains: 1, 2, 5, 10, 20, 50, 100, 200 1 200 DC Gain Error G = 1 VOUT = GND + 85mV to DVDD – 85mV 0.006 0.1 % 1 < G ≤ 32 VOUT = GND + 85mV to DVDD – 85mV 0.1 % G ≥ 50 VOUT = GND + 85mV to DVDD – 85mV 0.3 % DC Gain Drift G = 1 VOUT = GND + 85mV to DVDD – 85mV 0.5 ppm/°C 1 < G ≤ 32 VOUT = GND + 85mV to DVDD – 85mV 2 ppm/°C G ≥ 50 VOUT = GND + 85mV to DVDD – 85mV 6 ppm/°C Op Amp + Input = 0.9VCAL, CAL2 DC Gain Error (4) 0.02 % VREF = VCAL = AVDD/2, G = 1 Op Amp + Input = 0.9VCAL, CAL2 DC Gain Drift (4) 2 ppm/°C VREF = VCAL = AVDD/2, G = 1 Op Amp + Input = 0.1VCAL, CAL3 DC Gain Error (4) 0.02 % VREF = VCAL = AVDD/2, G = 1 Op Amp + Input = 0.1VCAL, CAL3 DC Gain Drift (4) 2 ppm/°C VREF = VCAL = AVDD/2, G = 1 INPUT IMPEDANCE (Channel Off) (3) Input Impedance CCH See Figure 1 2 pF INPUT OFF-CHANNEL CURRENT VREF = GND, VOFF-CHANNEL = AVDD/2, Input Off-Channel Current (Ch0, Ch1) (5) ILKG ±0.05 ±1 nA VON-CHANNEL = AVDD/2 – 0.1V VREF = GND, VOFF-CHANNEL = AVDD/2, Over Temperature, –40°C to +125°C See Typical Characteristics VON-CHANNEL = AVDD/2 – 0.1V Channel-to-Channel Crosstalk 130 dB (1) Gain error is a function of the input voltage. Gain error outside of the range (GND + 85mV ≤ VOUT ≤ DVDD – 85mV) increases to 0.5% (typical). (2) Input voltages beyond this range must be current limited to < |10mA| through the input protection diodes on each channel to prevent permanent destruction of the device. (3) See Figure 1. (4) Total VOUT error must be computed using input offset voltage error multiplied by gain. Includes op amp G = 1 error. (5) Maximum specification limitation limited by final test time and capability. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): PGA112 PGA113 PGA116 PGA117 |
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