
VPX 3225D, VPX 3224D
PRELIMINARY DATA SHEET
55
Micronas
4.3.4. Characteristics, Analog Front-End and ADCs
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
Test Conditions
V
VRT
Reference Voltage Top
VRT
2.5
2.61
2.72
V
10 F//10 nF, 1 G Probe
Luma – Path
R
VIN
Input Resistance
VIN1,
VIN2,
VIN3
1
M
Code clamp – DAC = 0
C
VIN
Input Capacitance
5
pF
V
VIN
Full Scale Input Voltage
1.86
1.93
2.0
V
PP
min. AGC Gain
V
VIN
Full Scale Input Voltage
0.5
0.6
0.7
V
PP
max. AGC Gain
AGC
AGC step width
0.145
0.163
0.181
dB
6-bit resolution = 63 Steps
= 1 MHz,
f
sig
– 2 dBr of max. AGC Gain
DNL
AGC
AGC Differential Non-Linearity
±
0.5
LSB
V
VINCL
Input Clamping Level, CVBS
1.0
V
Binary Level = 68 LSB
min. AGC Gain
Q
CL
Clamping DAC Resolution
–16
15
steps
6 Bit – I–DAC, bipolar
= 1 5 V
V
VIN
= 1.5 V
I
CL–LSB
Input Clamping Current per step
0.7
1
1.3
A
DNL
ICL
Clamping DAC Differential
Non-Linearity
±
0.5
LSB
Chroma – Path
R
CIN
Input Resistance
SVHS Chroma
CIN,
VIN1
1.4
2.0
2.6
k
C
VIN
Input Capacitance
CIN,
VIN1
5
pF
V
CIN
Full Scale Input Voltage, Chroma
CIN,
VIN1
1.08
1.14
1.2
V
PP
V
CINDC
Input Bias Level,
SVHS Chroma
–
1.5
–
V
Binary Code for Open
Chroma Input
128
Dynamic Characteristics for all Video-Paths (Luma + Chroma)
BW
Bandwidth
VIN1,
VIN2,
VIN3,
CIN
10
14
MHz
–2 dBr input signal level
XTALK
Crosstalk, any two video inputs
–56
–48
dB
1 MHz, –2 dBr signal level
THD
Total Harmonic Distortion
–48
–45
dB
1 MHz, 5 harmonics,
–2 dBr signal level
SINAD
Signal to Noise and
Distortion Ratio
42
46
dB
1 MHz, all outputs,
–2 dBr signal level
INL
Integral Non-Linearity,
±
1.3
±
2.4
LSB
Code Density,
DC ramp
DC-ramp
DNL
Differential Non-Linearity
±
0.5
±
0.85
LSB
DG
Differential Gain
±
3
%
–12 dBr, 4.4 MHz signal on
DC Ramp
DC-Ramp
DP
Differential Phase
1.5
deg