Philips Semiconductors
18 Msps, 10-bit analog-to-digital
interface for CCD cameras
Product specification
TDA8784
SYMBOL
PARAMETER
CONDITIONS
MIN.
thd2
hold time of IND compared to see Fig.5
−
control pulse SHD
tset(CDS)
CDS settling time
see Fig.12; control DAC 4 bits
input code; AGC gain = 0 dB;
fcut(AGC) = 54 MHz;
Vi(CDS) = 1200 mV (p-p)
black-to-white transition in
1 pixel (1 LSB typ.)
0000
−
0001
−
0010
−
0011
−
0100
−
0111
−
1000
−
1011
−
1111
−
Amplifier outputs
GAMPOUT
output amplifier gain
−
ZAMPOUT
output amplifier impedance
−
VAMPOUT(p-p) output amplifier dynamic
−
voltage (peak-to-peak value)
VAMPOUT(bl) output amplifier black level
−
voltage
VAGCOUT(p-p) AGC output amplifier dynamic
−
voltage level (peak-to-peak
value)
VAGCOUT(bl) AGC output amplifier
black level voltage
Vref connected to DACOUT −
ZAGCOUT
AGC output amplifier output at 10 kHz
−
impedance
IAGCOUT
AGC output static drive current static
−
GAGC(min)
minimum gain of AGC circuit AGC DAC input code = 00
−
(9-bit control); see Fig.7
GAGC(max)
maximum gain of AGC circuit AGC DAC input code ≥319
−
(9-bit control); see Fig.7
fcut(AGC)
cut-off frequency AGC
4-bit control DAC
input code = 00
−
input code = 01
−
input code = 15
−
other codes see Fig.13
TYP. MAX. UNIT
1
−
ns
12
−
ns
25
−
ns
45
−
ns
55
−
ns
105 −
ns
140 −
ns
270 −
ns
300 −
ns
365 −
ns
6
−
dB
300 −
Ω
2.4 −
V
1.5 −
V
2000 −
mV
Vref
−
V
5
−
Ω
−
1
mA
4.5 −
dB
34.5 −
dB
54
−
40
−
4
−
MHz
MHz
MHz
2002 Oct 23
9