UPC667
UPC667 is 10-BIT D/A CONVERTER manufactured by NEC.
FEATURES
- Resolution
- Clock rate
- Technology
- Power supply
- D/A conversion method
- Analog output form 10-bit 60 Msps Bi-CMOS +5 V R-2R ladder resistance and segment summing system Voltage output type
- Built-in reference voltage generating circuit
ORDERING INFORMATION
Part Number Package 30-pin plastic shrink DIP (400 mil)
µPC667CT
The information in this document is subject to change without notice.
Document No. S11099EJ2V0DS00 (2nd edition) (Previous No. IC-3250) Date Published February 1996 P Printed in Japan
The mark 5 shows major revised points.
©
1993, 1996
µPC667
BLOCK DIAGRAM
CLK 10 D1 to D10 Input buffer
Master-slave F.F.
Current switch
R-2R ladder
AOUT
Reference voltage generator
Amp.
Reference current source
Reference resistor
VRSET VROUT
VREF
P AVCC
DVCC AGND DGND
µPC667
PIN CONFIGURATION (Top View)
D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 DGND CLK NC DGND NC 1 2 3 4 5 6 30 29 28 27 26 25 DVCC AGND AVCC P AOUT VREF AVCC AGND DGND VROUT VRSET NC NC NC NC
µPC667CT
7 8 9 10 11 12 13 14 15
24 23 22 21 20 19 18 17 16
AGND AOUT AVCC CLK P DGND DVCC NC VREF VROUT VRSET
: Ground for Analog Circuit : Analog Output : Power Supply for Analog Circuit : Clock : Phase pensation : Ground for Digital Circuit : Power Supply for Digital Circuit : No Connection : Reference Voltage : Reference Voltage Output : Reference Voltage...