UPC659A Datasheet, PDF (12/16 Pages) NEC – 8-BIT A/D CONVERTER FOR VIDEO PROCESSING WITH REFERENCE GENERATOR AND CLAMP CIRCUIT

µPC659A
DIFFERENCE BETWEEN THE µPC659 AND THE µPC659A
The following table shows the differences between the µPC659 and the µPC659A.
This should be taken into consideration when using the µPC659A instead of the µPC659.
Parameter
Supply current
ICC
VCC = 5.0 V
TA = 25 ˚C
Digital data output
delay time
tD
Internal reference
resistance
VRT pin (pin 1),
VRB pin (pin 10 )
MIN.
TYP.
MAX.
TYP.
MAX.
VRT 1
µPC659
50 mA
79 mA
110 mA
12 ns
20 ns
AVCC
844 Ω
480 Ω
µPC659A
26 mA
43 mA
62 mA
20 ns
35 ns
VRT 1
AVCC
1.41 kΩ
800 Ω
Timing chart
1.15 kΩ
10 VRB
AGND AGND
1.91 kΩ
10 VRB
AGND AGND
CLK
CLK
VIN
Data
output
VIN
n–2
n–1
n
Data
output
n–1
n
12