Philips Semiconductors
12-bit, 3.0 V, 20 Msps analog-to-digital
interface for CCD cameras
Objective specification
TDA9962
QUICK REFERENCE DATA
SYMBOL
VCCA
VCCD
VCCO
ICCA
ICCD
ICCO
ADCres
Vi(CDS)(p-p)
fpix(max)
fpix(min)
DRPGA
Ntot(rms)
Ein(rms)
Ptot
PARAMETER
CONDITIONS
analog supply voltage
digital supply voltage
digital outputs supply voltage
analog supply current
all clamps active
digital supply current
digital outputs supply current fpix = 20 MHz; CL = 20 pF; input
ramp response time is 800 µs
ADC resolution
maximum CDS input voltage
(peak-to-peak value)
maximum pixel rate
VCC = 2.85 V
VCC ≥ 3.0 V
minimum pixel rate
PGA dynamic range
total noise from CDS input to PGA gain = 0 dB; see Fig.8
ADC output
equivalent input noise
(RMS value)
gain = 24 dB
total power consumption
VCCA = VCCD = VCCO = 3 V
VCCA = VCCD = VCCO = 2.7 V
MIN.
2.7
2.7
2.2
−
−
−
TYP.
3.0
3.0
2.5
49
2
1
MAX.
3.6
3.6
3.6
−
−
−
UNIT
V
V
V
mA
mA
mA
−
12
−
650 −
−
800 −
−
20
−
−
tbf
−
−
−
24
−
−
1.2 −
bits
mV
mV
MHz
MHz
dB
LSB
−
95
−
µV
−
155 −
mW
−
140 −
mW
2000 May 01
3