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LM98722CCMT/NOPB Datasheet(PDF) 9 Page - Texas Instruments |
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LM98722CCMT/NOPB Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 150 page  LM98722 www.ti.com SNAS487B – SEPTEMBER 2009 – REVISED MARCH 2015 Electrical Characteristics (continued) The following specifications apply for VA = VD = VC = 3.3 V, CL = 10 pF, and fINCLK = 15 MHz unless otherwise specified. All other limits TA = 25°C. PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1)(3) UNIT INPUT SAMPLING CIRCUIT SPECIFICATIONS CDS Gain=1x, PGA Gain=1x 2.3 VIN Input Voltage Level Vp-p CDS Gain=2x, PGA Gain= 1x 1.22 Source Followers Off 19 CDS Gain = 1x (-103) 25 μA (-95) OSX = VA (OSX = AGND) Source Followers Off Sample and Hold Mode Input 33 IIN_SH CDS Gain = 2x (-152) 50 μA Leakage Current (-141) OSX = VA (OSX = AGND) Source Followers On 20 CDS Gain = 2x (-250) 250 nA (-50) OSX = VA (OSX = AGND) Sample/Hold Mode CDS Gain = 1x 2.5 pF CSH Equivalent Input Capacitance CDS Gain = 2x 4 pF CDS Mode Source Followers Off 10 IIN_CDS (-250) 250 nA OSX = VA (OSX = AGND) (-50) Input Leakage Current CLPIN Switch Resistance (OSX RCLPIN 16 55 Ω to VCLP Node) VCLP REFERENCE CIRCUIT SPECIFICATIONS VCLP Voltage 000 VCLP Voltage Setting = 000 0.85VA V VCLP Voltage 001 VCLP Voltage Setting = 001 0.9VA V VCLP Voltage 010 VCLP Voltage Setting = 010 0.95VA V VCLP Voltage 011 VCLP Voltage Setting = 011 0.6VA V VVCLP VCLP Voltage 100 VCLP Voltage Setting = 100 0.55VA V VCLP Voltage 101 VCLP Voltage Setting = 101 0.4VA V VCLP Voltage 110 VCLP Voltage Setting = 110 0.35VA V VCLP Voltage 111 VCLP Voltage Setting = 111 0.15VA V VCLP DAC Short Circuit Output ISC 30 mA Current BLACK LEVEL OFFSET DAC SPECIFICATIONS Resolution 10 Bits Monotonicity Ensured by characterization CDS Gain = 1x Minimum DAC Code = 0x000 -614 mV Maximum DAC Code = 0x3FF 614 Offset Adjustment Range Referred to AFE Input CDS Gain = 2x Minimum DAC Code = 0x000 -307 mV Maximum DAC Code = 0x3FF 307 Minimum DAC Code = 0x000 -17500 -16130 Offset Adjustment Range LSB Referred to AFE Output Maximum DAC Code = 0x3FF +16130 +17500 CDS Gain = 1x mV 1.2 DAC LSB Step Size (32) Referred to AFE Output (LSB) DNL Differential Non-Linearity -0.85 +0.74/ -0.37 +2.4 LSB INL Integral Non-Linearity -2.5 +0.72/ -0.56 +2.5 LSB Copyright © 2009–2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM98722 |
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