UPC667CT NEC, UPC667CT Datasheet
UPC667CT
Related parts for UPC667CT
UPC667CT Summary of contents
Page 1
The PC667 is high-speed and high-precision 10-bit D/A converter. Clock rate of the PC667 is 60 Msps. Conversion precision of the PC667 is 1.0 LSB. FEATURES • Resolution • Clock rate • Technology • Power supply • D/A conversion method ...
Page 2
BLOCK DIAGRAM CLK D1 to D10 Input buffer Reference voltage generator V V RSET ROUT 2 10 Master-slave Current switch F.F. Reference Amp. current source V COMP AV DV AGND DGND REF CC CC PC667 R-2R ladder A OUT Reference ...
Page 3
... A OUT REF AGND 9 22 DGND ROUT RSET Ground for Analog Circuit : Analog Output : Power Supply for Analog Circuit : Clock : Phase Compensation : Ground for Digital Circuit : Power Supply for Digital Circuit : No Connection : Reference Voltage : Reference Voltage Output : Reference Voltage Adjustment PC667 3 ...
Page 4
... F capacitance between this pin and GND pin Output Reference voltage output ROUT Voltage output pin of the incorpo- rated reference voltage generating circuit. This pin has high output impedance, and must be connected with a high impedance element. 4 Function Equivalent Circuit DV CC 500 DGND DV ...
Page 5
... Output Analog signal OUT Analog signal output pin. COMP 27 — Phase compensation Phase compensating capacitor connection pin for full-scale ampli- fier. Approx. 0.1 F capacitor must be connected between this pin and 24, 28 — Power supply for analog circuit CC AGND 23, 29 — Ground for analog circuit ...
Page 6
ELECTRICAL SPECIFICATIONS Absolute Maximum Ratings ( ˚C) A Parameter Symbol Supply voltage for digital circuit DV Input voltage V Operating ambient temperature T Storage temperature T Power dissipation P Supply voltage for analog circuit AV Caution Exposure to ...
Page 7
... Zero-scale voltage output V Output resistance Z Internal reference voltage output voltage V Cautions 1. As for the phase compensation capacitance, capacitor should be connected between the phase compensation capacitance pin (COMP) and the power supply pin for analog circuit ( The internal reference voltage output pin (V should be shorted ...
Page 8
Timing Chart CLK D1 to D10 A OUT PWH PWL n SET A A n-1 n Final value ± 1/2 LSB t SET ± 1/2 LSB PC667 ...
Page 9
APPLICATION CIRCUIT EXAMPLE Analog output Power supply for analog circuit AGND DGND Power supply for digital circuit Conversion clock PC667CT 10-bit digital input PC667 9 ...
Page 10
PACKAGE DRAWING 30PIN PLASTIC SHRINK DIP (400 mil NOTES 1) Each lead centerline is located within 0.17 mm (0.007 inch) of its true position (T.P.) at maximum material condition. 2) ltem "K" ...
Page 11
RECOMMENDED SOLDERING CONDITIONS When soldering this product highly recommended to observe the conditions as shown below. If other soldering processes are used the soldering is performed under different conditions, please make sure to consult with our ...
Page 12
... Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices in “Standard“ unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact NEC Sales Representative in advance ...