Philips Semiconductors
10-bit analog-to-digital interface for
CCD cameras
Product specification
TDA8786; TDA8786A
SYMBOL
PARAMETER
CONDITIONS
MIN.
Total chain timing (CDS + ADC + SOFT CLIPPER + PRE BLANKING + ADC)
td
N(rms)
time delay between
CDSP1 and CLK
noise (RMS value)
50% at rising edges of
−
CLK and CDSP1:
transition full-scale code 0
to code 1023;
Vi(CDS)(p-p) = 1200 mV
gain = 3.5 dB
−
Digital-to-Analog Converters (OFDOUT DAC)
VOFDOUT(p-p) additional 8-bit control
−
DAC (OFD) output voltage
(peak-to-peak value)
VOFDOUT(0) DC output voltage for
−
code 0
VOFDOUT(255) DC output voltage for
−
code 255
ZOFDOUT
additional 8-bit control
−
DAC (OFD) output
impedance
IOFDOUT
OFD output current drive static
−
ADC clamp control DAC (see Fig.5)
VDACOUT(p-p) ADC clamp 10-bit control
−
DAC output voltage
(peak-to-peak value)
VDACOUT
DC output voltage
code 0
−
code 1023
−
ZDACOUT
ADC clamp control DAC
−
output impedance
IDACOUT
DAC output current drive static
−
OFELOOP
maximum offset error of code 0
−
DAC + ADC clamp loop code 1023
−
TYP.
40
0.5
1.4
2.0
3.4
2 000
−
0.9
1.4
2.3
−
−
±5
±5
MAX. UNIT
−
ns
−
LSB
−
V
−
V
−
V
−
Ω
50
µA
−
V
−
V
−
V
250 Ω
50
µA
−
LSB
−
LSB
1997 Nov 17
10