Tda9964, Philips semiconductors – Philips TDA9964 User Manual
Page 7
Philips Semiconductors
TDA9964
12-bit, 3.0 V, 30 Msps analog-to-digital interface for CCD cameras
Objective specification
Rev. 03 — 16 January 2001
7 of 23
9397 750 07918
© Philips Electronics N.V. 2001. All rights reserved.
Digital inputs
Pins: SHP, SHD and CLK (referenced to DGND)
V
IL
LOW-level input voltage
0
−
0.6
V
V
IH
HIGH-level input voltage
2.2
−
5.5
V
I
i
input current
0
≤
V
i
≤
5.5 V
−
3
−
+3
µ
A
Z
i
input impedance
f
CLK
= 30 MHz
−
50
−
k
Ω
C
i
input capacitance
f
CLK
= 30 MHz
−
−
2
pF
Pins: CLPDM, CLPOB, SEN, SCLK, SDATA, STBY, OE, BLK, VSYNC
V
IL
LOW-level input voltage
0
−
0.6
V
V
IH
HIGH-level input voltage
2.2
−
5.5
V
I
i
input current
0
≤
V
i
≤
5.5 V
−
2
−
+2
µ
A
Clamps
Global characteristics of the clamp loops
t
W(clamp)
clamp active pulse width in
number of pixels
PGA code = 255 for
maximum 4 LSB error
12
−
−
pixels
Input clamp (driven by CLPDM)
g
m(CDS)
CDS input clamp
transconductance
−
20
−
mS
Correlated Double Sampling (CDS)
V
i(CDS)(p-p)
maximum peak-to-peak CDS
input amplitude (video signal)
V
CC
= 2.85 V
650
−
−
mV
V
CC
≥
3.0 V
800
−
−
mV
V
reset(max)
maximum CDS input reset
pulse amplitude
500
−
−
mV
I
i(IN)
input current into pin IN
at floating gate level
tbf
−
tbf
µ
A
C
i
input capacitance
−
2
−
pF
t
CDS(min)
CDS control pulses minimum
active time
V
i(CDS)(p-p)
= 800 mV
black to white transition in
1 pixel with 98.5%
V
i
recovery
8
−
−
ns
t
h(IN;SHP)
CDS input hold time (pin IN)
compared to control pulse
SHP
see
and
4
−
−
ns
t
h(IN;SHD)
CDS input hold time (pin IN)
compared to control pulse
SHD
see
and
4
−
−
ns
Amplifier
DR
PGA
PGA dynamic range
−
24
−
dB
∆
G
PGA
PGA gain step
0.08
0.10
0.12
dB
Analog-to-Digital Converter (ADC)
DNL
differential non linearity
f
pix
= 30 MHz; ramp input
−
±
0.5
±
0.9
LSB
Total chain characteristics (CDS + PGA + ADC)
f
pix(max)
maximum pixel frequency
30
−
−
MHz
Table 6:
Characteristics
…continued
V
CCA
= V
CCD
= 3.0 V; V
CCO
= 2.7 V; f
pix
= 30 MHz; T
amb
= 25
°
C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit