adc-321 C&D Technologies., adc-321 Datasheet - Page 2

• Manufacturer Part Number: adc-321
• Description: 8-bit, 50mhz Video A/d Converter
• Manufacturer: C&D Technologies.

ABSOLUTE MAXIMUM RATINGS
ADC-321
FUNCTIONAL SPECIFICATIONS
Typical at T
F
Footnotes:
PARAMETERS
Power Supply Voltage (+AV
Analog Input Voltage, (V
Reference Input Voltage (V
Digital Input Voltage (V
Digital Output Voltage (V
S
ANALOG INPUTS
REFERENCE INPUTS
DIGITAL INPUTS
DIGITAL OUTPUTS
Input Voltage Range
Input Capacitance
Input Signal Bandwidth
Reference Resistance
Reference Current
Reference Voltage
Self Bias Voltage
Capacitance (V
Offset Voltage
Logic Levels
Input Current
Input Capacitance
A/D Clock Pulse Width
Output Current (OE = 0V)
Output Current (OE = 0V)
Output Current
Capacitance
= 50MHz unless otherwise specified.
See technical note 6
Pin 25 tied to AGND and pin 17 tied to +AV
+AV
V
V
(@ V
–1dB (@ R
–3dB (@ R
V
V
V
V
V
V
V
V
Input Voltage "1"
Input Voltage "0"
A/D CLK
CLP, CLE
OE
(tpw1)
(tpw0)
(@ +DV
(@ +DV
(@ OE = +3V)
IL
OH
RT
RT
RB
RT
RB
RT
RT
RB
= 0V and V
S
= +DV
= +4.75 to +5.25V and +DV
– V
– V
– V
IN
A
S
= +1.5Vdc +0.07V
= 25°C, V
RB
RB
RB
S
S
–0.8V and V
= +5V)
= +3.3V)
IH
IN
IN
= +AV
RT
= 33 )
= 33 )
, V
S
RTS
, full operating temp. range
OL
RT
= +0.4V, full operating temp. range
= +2.5V, V
IH
, V
, V
"1"
"0"
"1"
"0"
"1"
"0"
—
OH
IN
RB
S
)
RT
IL
, V
S
= 3 to +5.5V, full operating tem. range.
RMS)
, V
, +DV
)
, V
OL
RBS
RB
)
RB
S
)
)
S
)
= +0.5V, +AV
+0.52
–240
–240
MIN.
+0.5
1.80
MIN.
260
–70
–40
–40
–40
4.1
1.7
2.2
2.4
—
—
—
—
—
20
—
—
10
10
—
—
—
–0.5 to +DV
–0.5 to +AV
–0.5 to +AV
–0.5 to +AV
0
4
–0.5 to 7
LIMITS
S
(T
= +5V, +DV
TYP.
+0.56
TYP.
1.92
100
370
–50
S
S
S
5.4
S
15
60
40
11
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
A
+ 0.5
+ 0.5
+ 0.5
+ 0.5
= +25°C)
MAX.
MAX.
S
+0.60
+2.5
+2.7
2.04
+0.8
–1.2
–30
240
480
240
= +3V to +5.5V,
7.7
pF
—
—
—
—
—
11
60
—
40
11
—
—
–2
—
—
40
40
UNITS
Volts
Volts
Volts
Volts
Volts
UNITS
UNITS
+DVS = +3 to +5.5V, full operating temp. range
OE: +3 to 0V change
OE: 0 to +3V change
2.75µs clamp pulse width, 14.3MHz sampling,
15.75kHz clamping rate
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
MHz
MHz
mA
mV
mV
µA
µA
µA
mA
mA
mA
mA
µA
µA
pF
pF
pF
ns
ns
2
DIGITAL OUTPUTS
Output Data Delay
(OE = 0V, C
3-State Output Enable Time
(R
3-State Output Disable Time
(R
CLAM CIRCUIT
Clamp Offset Voltage
Clamp Pulse Width
PERFORMANCE
POWER REQUIREMENTS
ENVIRONMENTAL/PHYSICAL
Resolution
Sampling Rate, maximum, F
Aperature Delay (Tds)
Integral Linearity Error
Diff. Linearity Error
Diff. Gain Error
Diff. Phase Error
S/N Ratio with THD
Spurious Free Dynamic Range
Power Supply
Power Supply Current
1. AI
2. AI
Power Dissipation
Operating Temp. Range, Case
Storage Temperature Range
Package Type
Weight
L
L
(@ +DV
(@+DV
(@ +DV
(@+DV
(@+DV
(@+DV
= 1k , C
= 1k , C
minimum, F
(f
(f
(f
(f
(f
(f
(f
(f
(f
(f
(f
(f
+AV
+DV
|AGND – DGND|
DI
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
S,
S
S
= 100kHz)
= 500kHz)
= 1MHz)
= 3MHz)
= 10MHz)
= 25MHz)
= 100kHz)
= 500kHz)
= 1MHz)
= 3MHz)
= 10MHz)
= 25MHz)
S
(@ +DV
S
DI
S
S
S
S
S
S
S
L
(@ +DV
= +3.3V)
= +3.3V)
= +5V)
= +3.3V)
= +5V)
L
= +5V)
L
= 15pF)
= 15pF)
= 15pF)
S
S
11
= +3.3V)
11
S
= +5V)
12
(continued)
t
t
t
t
t
t
t
t
t
t
PLH
PHL
PLH
PHL
PZH
PZL
PZH
PZL
PHZ,
PHZ,
S
12
1 1
t
t
PLZ
PLZ
The clamp pulse width given is for NTSC. For other processing
systems adjust the rate to the clamp pulse cycle (1/15.75kHz for
NTSC) to equal the value for NTSC.
NTSC 40IRE ramp, 14.3MHz sampling
50MHz sampling, +AV
–40
–55
+4.75
MIN.
+3.0
1.75
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5.5
5.5
4.3
4.3
2.5
2.5
3.0
3.0
3.5
2.5
8
0
0
0.007 ounces (0.2 grams)
®
S
32-pin, plastic QFP
= +5V
TYP.
—
—
2.75
±0.7
±0.3
+5.0
11.8
125
9.5
8.5
7.6
4.5
6.0
7.0
5.0
5.5
5.5
1.5
20
45
44
44
43
38
32
51
46
49
46
45
45
25
23
—
—
—
—
—
0
3
2
MAX.
+150
+5.25
+85
12.0
12.0
16.3
16.3
3.75
±1.5
±0.5
+5.5
100
180
8.0
8.0
9.0
9.0
7.5
8.0
0.5
40
36
33
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3
UNITS
Volts
Volts
MHz
MHz
LSB
LSB
mW
mW
mV
deg
mA
mA
mA
µA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Bit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ns
°C
°C
%
®