Philips TDA8783 - Manual (Page 10)

2002 Oct 23 10
Philips Semiconductors Product specification
40 Msps, 10-bit analog-to-digital
interface for CCD cameras
TDA8783
Clamps
g
m(ADC)
ADC clamp transconductance at clamp level
−
7
−
mS
g
m(CDS)
CDS clamp transconductance at clamp level
−
1.5
−
mS
Analog-to-Digital Converter (ADC)
f
CLK(max)
maximum clock frequency 40
− −
MHz
t
CPH
clock pulse width HIGH 12
− −
ns
t
CPL
clock pulse width LOW 12
− −
ns
SR
CLK
clock input slew rate (rising and
falling edge) 10% to 90% 0.5
− −
V/ns
V
i(ADC)(p-p)
ADC input voltage level
(peak-to-peak value)
−
2
−
V
V
RB
ADC reference voltage output
code 0
−
1.5
−
V
V
RT
ADC reference voltage output
code 1023
−
3.5
−
V
I
ADCIN
ADC input current
−
2
−
+120
µ
A
INL integral non-linearity ramp input
− ±
0.6
±
1.5 LSB
DNL differential non-linearity ramp input
− ±
0.2
±
0.75 LSB
t
d(s)
sampling delay time
− −
5 ns
Total chain characteristics (CDS + AGC + ADC)
t
d
delay between SHD and CLK 50% at rising edges
CLK and SHD: transition full
scale code 0 to 1023;
f
cut(CDS)
= 120 MHz;
f
cut(AGC)
= 54 MHz;
V
i(CDS)
= 600 mV
−
30
−
ns
N
tot(rms)
total output noise (RMS value) f
cut(CDS)
= 120 MHz;
f
cut(AGC)
= 40 MHz; note 2
G
AGC
= 4.5 dB
−
0.125
−
LSB
G
AGC
= 34.5 dB
−
1.6
−
LSB
V
offset(fl-d)
maximum offset between CCD
floating level and CCD dark pixel
level
−
200
−
+200 mV
V
n(i)(eq)(rms)
equivalent input noise voltage
(RMS value) AGC gain = 34.5 dB
−
125
− µ
V
AGC gain = 4.5 dB
−
150
− µ
V
Digital-to-Analog Converter (OFDOUT)
V
OFDOUT(p-p)
additional 8-bit control DAC
(OFD) output voltage
(peak-to-peak value)
−
1.4
−
V
V
OFDOUT(0)
DC output voltage for code 0
−
2.3
−
V
V
OFDOUT(255)
DC output voltage for code 255
−
3.7
−
V
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT