TDA8784 Datasheet, PDF (9/28 Pages) NXP Semiconductors – 18 Msps, 10-bit analog-to-digital interface for CCD cameras

Philips Semiconductors
18 Msps, 10-bit analog-to-digital
interface for CCD cameras
Product specification
TDA8784
SYMBOL
PARAMETER
CONDITIONS
t_hd2
hold time of IND compared to see Fig.5
control pulse SHD
t_set(CDS)
CDS settling time
see Fig.12; control DAC 4 bits
input code; AGC gain = 0 dB;
f_cut(AGC) = 54 MHz;
V_i(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
G_AMPOUT
Z_AMPOUT
V_AMPOUT(p-p)
V_AMPOUT(bl)
V_AGCOUT(p-p)
output amplifier gain
output amplifier impedance
output amplifier dynamic
voltage (peak-to-peak value)
output amplifier black level
voltage
AGC output amplifier dynamic
voltage level (peak-to-peak
value)
V_AGCOUT
AGC output amplifier
black level voltage
V_ref connected to DACOUT
Z_AGCOUT
AGC output amplifier output at 10 kHz
impedance
I_AGCOUT
AGC output static drive
current
static
G_AGC(min)
G_AGC(max)
minimum gain of AGC circuit
maximum gain of AGC circuit
AGC DAC input code = 00
(9-bit control)
AGC DAC input code ≥319
(9-bit control)
f_cut(AGC)
cut-off frequency AGC
control DAC 4-bit
input code = 00
input code = 01
input code = 15
MIN.
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
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
V_ref
−
V
5
−
Ω
−
1
mA
4.5 −
dB
34.5 −
dB
54
−
40
−
4
−
MHz
MHz
MHz
1999 Sep 21
9