tda8786g NXP Semiconductors, tda8786g Datasheet - Page 8

• Manufacturer Part Number: tda8786g
• Description: 10-bit Analog-to-digital Interface For Ccd Cameras
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1997 Nov 17
Correlated Double Sampling; CDS
V
I
t
t
t
Amplifier outputs
G
Z
V
V
V
V
Z
I
V
V
Z
I
I
G
STGE,IN1,IN2
CDS(min)
hd1
hd2
AGCOUT
OPB
PBIN
AMPOUT
AGCOUT
OPB
i(CDS)(p-p)
AMPOUT(p-p)
AMPOUT(bl)
AGCOUT(p-p)
AGCOUT
OPB(p-p)
OPB
10-bit analog-to-digital interface for
CCD cameras
AMPOUT
AGC(min)
SYMBOL
CDS input amplitude
(peak-to-peak value)
input current pins 19, 46
and 47
CDS control pulses
minimum active time
(HIGH for TDA8786,
LOW for TDA8786A)
hold time IN1 compared to
control pulse CDSP1
hold time of IN2 compared
to control pulse CDSP2
output amplifier gain
output amplifier
impedance
output amplifier dynamic
voltage level
(peak-to-peak value)
output amplifier black
level voltage
AGC output amplifier
dynamic voltage level
(peak-to-peak value)
AGC output amplifier black
level voltage
AGC output amplifier
output impedance
AGC output static drive
current
optical black clamp and
blanking block output
dynamic voltage
(peak-to-peak value)
optical black clamp and
blanking block output black
level voltage
optical black clamp and
blanking block output
impedance
OPB output current drive
input current pin 8
minimum gain of AGC
circuit
PARAMETER
f
V
black-to-white transition in
one pixel ( 1 LSB typ.)
see Fig.15
see Fig.15
at 10 kHz
static
at 10 kHz
static
AGC DAC input code = 00
(9-bit control)
i(CDS1,2)
i(CDS)(p-p)
CONDITIONS
= f
= 1200 mV
CLK(pix)
8
12
2
2
MIN.
TDA8786; TDA8786A
400
1
6
300
2.4
1.1
1800
1.1
5
1.8
1.4
3.5
0.5
TYP.
Product specification
1200
+2
1
5
1
+2
MAX.
mV
ns
ns
ns
dB
V
V
mV
V
mA
V
V
mA
dB
UNIT
A
A