DCOM IOUTA REFOUT REFCOM IREFIN LADCOM IOUTB DB15 DB14 DB13 DB12

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DCOM IOUTA REFOUT REFCOM IREFIN LADCOM IOUTB DB15 DB14 DB13 DB12

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SPACE PRODUCTS
DCOM
IOUTA REFOUT REFCOM IREFIN LADCOM IOUTB DB15 DB14 DB13 DB12 DB11 DB10 CLOCK DCOM
16-BIT MSPS CONVERTER
768RP
(MSB) DB15 MSBs: SEGMENTED CURRENT SOURCES SWITCHES DECODER EDGETRIGGERED LATCHES
768RP
LSBs: CURRENT SOURCES SWITCHES R-2R LADDERS
IOUTA IOUTB
LADCOM 2.5V BANDGAP REFERENCE
(LSB)
CONTROL
CLOCK
REFCOM
REFOUT IREFIN
Memory
FEATURES:
MSPS update rate 16-bit resolution Linearity: bits bits Fast settling time: full-scale 0.025% SFDR output: output: glitch impulse: pV-S Power dissipation: chip reference Edge-triggered latches Multiplying reference capability Total dose hardness krads (Si), dependent upon orbit mission duration.
DESCRIPTION:
Space Electronics' 768RP 16-bit, high-speed digital-to-analog converter (DAC) that offers exceptional performance. device manufactured with Advanced Bipolar CMOS process, combining speed bipolar transistors, accurancy laser-trimmable thin film resistors, efficiency CMOS logic. segmented current source architecture combined with proprietary switching technique reduce glitch energy maximize dynamic accuracy. Edge triggered input latches temperature compensated bandgap reference have been integrated provide complete monolithic solution. 768RP current-output with nominal full-scale output current output impedance. Differential current outputs provided support single-ended differential applications. current outputs tied directly output resistor provide voltage output, summing junction high-speed amplifier provide buffered voltage output. Also, differential outputs interfaced transformer differential amplifier. on-chip reference control amplifier configured maximum accuracy flexibility. 768RP driven on-chip reference variety external reference voltages based selection external resistor. external capacitor allows user optimally trade reference band-width noise performance. 768RP operates supplies, typically consuming power. available with packaging screening Class
0112.99Rev0
data sheets subject change without notice
(619) 452-4167 Fax: (619) 452-5499 www.spaceelectronics.com
©1998 Space Electronics Inc. rights reserved.
768RP
16-BIT MSPS CONVERTER
TABLE 768RP DESCRIPTION
8-14 17-23
SYMBOL IOUTA REFOUT REFCOM IREFIN DB1-DB7 DCOM CLOCK DB8-DB14 DB15 IOUTB LADCOM
TYPE
NAME Current Output Noise Reduction Node Reference Output Voltage Connect Reference Ground Reference Input Current Data (LSB) Data Bits Digital Ground Clock Input Data Bits 8-14 Data (MSB) Positive Supply Voltage Negative Supply Voltage Complementary Current Output Ladder Common
FUNCTION Full-Scale current when data bits capacitor noise reduction Nominal value 2.5V Reserved internal Nominal 5mA, full-scale this current
Data latched positive edge clock
Memory
Nominal Nominal Full-scale current when data bits
TABLE 768RP ABSOLUTE MAXIMUM RATINGS
PARAMETER Positive Supply Voltage Negative Supply Voltage Analog-to-Other Grounds Digital -to-Other Grounds Reference Output Reference Input Current Digital Inputs Analog Outputs Maximum Junction Temperature Storage Temperature Lead Temperature SYMBOL REFCOM DCOM REFOUT IREFIN DBO-DB15 IOUTA, IOUTB TMAX TSTG -0.5 -6.0 -0.5 -0.5 -0.5 -2.0 -MAX +0.5 +0.5 UNIT
0112.99Rev0
data sheets subject change without notice
©1998 Space Electronics Inc. rights reserved.
768RP
16-BIT MSPS CONVERTER
TABLE 768RP SPECIFICATIONS TMIN TMAX, +5V, -5V, LADCOM, REFCOM, DCOM IREFIN CLOCK MHZ, UNLESS OTHERWISE SPECIFIED)
PARAMETER RESOLUTION ACCURACY Linearity Error TMIN TMAX Differential Nonlinearity TMIN TMAX Monotonicity (13-Bit) ANALOG OUTPUT Offset Error Gain Error Full-Scale Output Current Output Compliance Range Output Resistance Output Capacitance REFERENCE OUTPUT Reference Voltage Reference Output Current REFERENCE INPUT Reference Input Current Reference Bandwidth Small Signal, IREF Large Signal, IREF TEMPERATURE COEFFICIENTS Unipolar Offset Drift Gain Drift Gain Drift Reference Voltage Drift DYNAMIC PERFORMANCE Maximum Output Update Rate Output Settling Time (tST) 0.025%) Output Propagation Delay (tPD) Glitch Impulse Output Rise Time (10% 90%) Output Fall Time (10% 90%) Output Noise (DB0-DB15 High, into Differential Gain Error Differential Phase Error -MAX -UNIT Bits
Guaranteed over rated specification temperature range -0.2 -1.0 -1.2 -2.475 -1.0 0.01 0.01 -5.0 -2.525 FSR/oC FSR/oC FSR/oC ppm/oC MSPS pV-s nV/Hz Degree
Memory
0112.99Rev0
data sheets subject change without notice
©1998 Space Electronics Inc. rights reserved.
768RP
PARAMETER DIGITAL INPUTS Logic Voltage Logic Voltage Logic Current Logic Current Input Capacitance Input Setup Time (tS) Input Hold Time (tH) Latch Pulse Width (tLPW) LINEARITY Spurious-Free Dynamic Range (SFDR Withing Window) FOUT 1.002 MHz; CLOCK MHz; Span FOUT 1.002 MHz; CLOCK MHz; Span FOUT 5.002 MHz; CLOCK MHz; Span Spurious-Free Dynamic Range (SFDR Nyquist) FOUT 1.002 MHz; CLOCK FOUT 1.002 MHz; CLOCK FOUT 5.002 MHz; CLOCK Total Harmonic Distortion (THD) FOUT 1.002 MHz; CLOCK FOUT 1.002 MHz; CLOCK FOUT 5.002 MHz; CLOCK POWER SUPPLY Positive Voltage Range Negative Voltage Range Positive Supply Current Negative Supply Current Nominal Power Dissipation Power Supply Rejection Ratio (PSRR) OPERATING RANGE Measured IOUTA, driving virtual ground.
16-BIT MSPS CONVERTER
TABLE 768RP SPECIFICATIONS TMIN TMAX, +5V, -5V, LADCOM, REFCOM, DCOM IREFIN CLOCK MHZ, UNLESS OTHERWISE SPECIFIED)
-1.5 -UNIT
-4.75 -5.25 -0.2
-5.25 -4.75
FSR/V
Memory
Nominal output current current IREFIN. Therefore, nominal current when IREFIN Output current defined total current available IREFIN external load. Reference bandwidth funcation external pin. Refer compensation section data sheet details. Excludes internal reference drift. Includes internal reference drift. Measured unbuffered voltage output range) with current into load IOUTB
0112.99Rev0
data sheets subject change without notice
©1998 Space Electronics Inc. rights reserved.
768RP
16-BIT MSPS CONVERTER
TABLE 768RP WAFER TEST LIMITS 1,2,3
+5V, -5V, IREFIN 5mA, UNLESS OTHERWISE SPECIFIED)
PARAMETER Integral Nonlinearity Differential Nonlinearity Offset Error Gain Error Reference Voltage Positive Supply Current Negative Supply Current Power Dissipation
LIMIT ±0.2 ±1.0 ±1.0
UNIT nom. 2.5V
Electrical tests performed wafer probe limits shown. variations assembly methods andnormal yield loss, yield packagaing guaranteed standard product dice. offers latch control pad. Edge triggered latches become level triggered when latch control clock pads high.
Memory
substrate connected VEE. Limits extrapolated from testing individual errors.
FIGURE TIMING DIAGRAM
0112.99Rev0
data sheets subject change without notice
©1998 Space Electronics Inc. rights reserved.
768RP
16-BIT MSPS CONVERTER
FIGURE SETTLING TIME
Memory
FIGURE GLITCH IMPULESE MAJOR CARRY
FIGURE RISE FALL CHARACTERISTICS
0112.99Rev0
data sheets subject change without notice
©1998 Space Electronics Inc. rights reserved.
768RP
16-BIT MSPS CONVERTER
FIGURE CLOCK FREQUENCY FOUT
Memory
FIGURE TYPICAL SPECTRAL PERFORMANCE
FIGURE TYPICAL SFDR (WITH WINDOW)
0112.99Rev0
data sheets subject change without notice
©1998 Space Electronics Inc. rights reserved.
768RP
16-BIT MSPS CONVERTER
FIGURE SFDR (WITHIN WINDOW) FOUT
Memory
FIGURE FOUT
FIGURE INTERMODULATION DISTORTION
0112.99Rev0
data sheets subject change without notice
©1998 Space Electronics Inc. rights reserved.
768RP
16-BIT MSPS CONVERTER
Memory
RAD-PAK® FLAT PACKAGE
SYMBOL 0.390 0.040 0.000 0.165 0.015 0.004 -0.380 -0.180 0.030 DIMENSION 0.177 0.017 0.005 0.720 0.410 -0.240 0.085 0.050 0.400 0.050 0.027 0.410 0.053 -MAX 0.189 0.022 0.009 0.740 0.420 0.440
F28-03 Note: dimensions inches
0112.99Rev0
data sheets subject change without notice
©1998 Space Electronics Inc. rights reserved.

DCOM IOUTA REFOUT REFCOM IREFIN LADCOM IOUTB DB15 DB14 DB13 DB12

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