max5188beeit Maxim Integrated Products, Inc., max5188beeit Datasheet
max5188beeit
Related parts for max5188beeit
max5188beeit Summary of contents
Page 1
Rev 2; 12/01 Dual, 8-Bit, 40MHz, Current/Voltage, General Description The MAX5188 is a dual 8-bit, alternate-phase-update, current-output digital-to-analog converter (DAC) designed for superior performance in systems requiring analog signal reconstruction with low distortion and low-power operation. The MAX5191 provides ...
Page 2
Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs ABSOLUTE MAXIMUM RATINGS AGND, DGND .................................-0. Digital Inputs to DGND.............................................-0.3V to +6V OUT1P, OUT1N, OUT2P, OUT2N, CREF1, CREF2 to AGND ....................................................-0. ...
Page 3
Dual, 8-Bit, 40MHz, Current/Voltage, ELECTRICAL CHARACTERISTICS (continued) ( +3V ±10%, AGND = DGND = unless otherwise noted. Typical values are at T PARAMETER SYMBOL REFERENCE Output Voltage Range V Output Voltage Temperature TCV ...
Page 4
Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs ( +3V, AGND = DGND = 0, 400Ω differential output INTEGRAL NONLINEARITY vs. INPUT CODE 0.150 0.125 0.100 0.075 0.050 0.025 0 -0.025 -0.050 ...
Page 5
Dual, 8-Bit, 40MHz, Current/Voltage, ( +3V, AGND = DGND = 0, 400Ω differential output INTERNAL REFERENCE VOLTAGE vs. SUPPLY VOLTAGE 1.28 1.27 1.26 MAX5188 1.25 MAX5191 1.24 1.23 2.5 3.0 3.5 4.0 4.5 5.0 ...
Page 6
Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs ( +3V, AGND = DGND = 0, 400Ω differential output SPURIOUS-FREE DYNAMIC RANGE vs. CLOCK FREQUENCY 100 ...
Page 7
Dual, 8-Bit, 40MHz, Current/Voltage, PIN NAME 1 CREF1 Reference Bias Bypass, DAC1 2 OUT1P Positive Analog Output, DAC1. Current output for the MAX5188; voltage output for the MAX5191. 3 OUT1N Negative Analog Output, DAC1. Current output for the MAX5188; voltage ...
Page 8
Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs REFO REFR 9.6k* CLK *INTERNAL 400Ω AND 9.6kΩ RESISTORS FOR MAX5191 ONLY. Figure 1. Functional Diagram Detailed Description The MAX5188/MAX5191 are dual 8-bit digital-to-analog converters (DACs) capable of operating with clock speeds up ...
Page 9
Dual, 8-Bit, 40MHz, Current/Voltage, OPTIONAL EXTERNAL BUFFER FOR HEAVIER LOADS MAX4040 AGND V REF I = REF R SET *COMPENSATION CAPACITOR (C = 100nF) COMP Figure 2. Setting I with the Internal +1.2V Reference and Control Amplifier FS External Reference ...
Page 10
Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs AV DD EXTERNAL +1.2V REFERENCE MAX6520 AGND R SET AGND Figure 3. MAX5188/MAX5191 Using an External Reference CLK D0–D7 DAC1 DAC2 t t DS1 DS2 OUT1 OUT2 ...
Page 11
Dual, 8-Bit, 40MHz, Current/Voltage, Timing Information Both internal DAC cells write to their outputs in alternate phase (Figure 4). The input latch of the first DAC (DAC1) is loaded after the clock signal transitions high. When the clock signal transitions ...
Page 12
Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs of the transfer function once offset and gain errors have been nullified. For a DAC, the deviations are measured at every single step. Differential Nonlinearity Differential nonlinearity (DNL) (Figure 5b) is the differ- ...
Page 13
Dual, 8-Bit, 40MHz, Current/Voltage, +3V +3V 10µF 0.1µF AV CLK D0–D7 REFO 0.1µF REFR R ** SET DGND **MAX5188 ONLY Figure 6. Differential to Single-Ended Conversion Using the MAX4108 Low-Distortion Amplifier Chip Information TRANSISTOR COUNT: 9464 SUBSTRATE CONNECTED TO GND ...
Page 14
Dual, 8-Bit, 40MHz, Current/Voltage, Alternate-Phase Output DACs Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and ...