DAC650 Datasheet, PDF (1/11 Pages) Burr-Brown (TI) – 12-Bit 500MHz DIGITAL-TO-ANALOG CONVERTER

®
FPO
70%
DAC650
12-Bit 500MHz
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q 12-BIT RESOLUTION
q 500MHz UPDATE RATE
q GUARANTEED SPURIOUS
PERFORMANCE
q LOW GLITCH
q FAST SETTLING
q INTERNAL EDGE-TRIGGERED LATCH
q LASER TRIMMED ACCURACY
q INTERNAL REFERENCE
q CLEAN LOW-NOISE OUTPUT
APPLICATIONS
q DIRECT DIGITAL SYNTHESIS
q ARBITRARY WAVEFORM GENERATION
q HIGH RESOLUTION GRAPHICS
q COMMUNICATIONS LOCAL OSCILLATORS
Spread Spectrum
Base Stations
Digitally Tuned Receivers
q HIGH-SPEED MODEMS
CLK
CLK
Offset
Trim
Reference
Adjust
DESCRIPTION
The DAC650 is a high performance 12-bit digital to
analog converter for high frequency waveform gen-
eration. It is complete with an internal low drift refer-
ence and edge-triggered data latch. The internal seg-
mentation and latching provide for minimal output
glitch energy.
The ECL compatibility provides for low digital noise
at high update rates. The 50Ω output resistance and
low output capacitance simplify transmission line de-
sign and filtering at the output. Complementary out-
puts are offered for increased performance while driv-
ing transformers or differential amplifiers.
The DAC650 combines precision thin film and bipolar
technology with high speed gallium arsenide to create
a high performance, cost effective solution for modern
waveform synthesis systems.
V_BBIN
V_BBEXT
12-Bit
ECL Lines
Tracking
ECL Logic
Threshold
Reference
ECL ECL
HI IN LO IN
+10V
Ref
±20mA
50Ω
50Ω
ECL Logic
Threshold
Reference –1.3V
V_BBOUT
Reference
Output
Reference
Input
V_OUT
V_OUT
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Tel: [phone] • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: [phone] • Immediate Product Info: [phone]
©_{1992 Burr-Brown Corporation}
PDS-1130B
Printed in U.S.A. May, 1994