參數(shù)資料
型號(hào)： ADC-321
廠商： Electronic Theatre Controls, Inc.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:24; Series:LJT00R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle
中文描述： 8位，50MHz的視頻A / D轉(zhuǎn)換
文件頁(yè)數(shù)： 2/8頁(yè)
文件大小： 174K
代理商： ADC-321
ADC-321
2
DIGITAL OUTPUTS
(continued)
MIN.
TYP.
MAX.
UNITS
Output Data Delay
(OE = 0V, C
L
= 15pF)
(@ +DV
S
= +5V)
t
PLH
t
PHL
t
PLH
t
PHL
5.5
5.5
4.3
4.3
9.5
8.5
11.8
7.6
12.0
12.0
16.3
16.3
ns
ns
ns
ns
(@+DV
S
= +3.3V)
3-State Output Enable Time
(R
L
= 1k
, C
L
= 15pF)
(@ +DV
S
= +5V)
t
PZH
t
PZL
t
PZH
t
PZL
2.5
2.5
3.0
3.0
4.5
6.0
7.0
5.0
8.0
8.0
9.0
9.0
ns
ns
ns
ns
(@+DV
S
= +3.3V)
3-State Output Disable Time
(R
L
= 1k
, C
L
= 15pF)
(@+DV
S
= +5V)
(@+DV
S
= +3.3V)
t
PHZ,
t
PLZ
t
PHZ,
t
PLZ
3.5
2.5
5.5
5.5
7.5
8.0
ns
ns
CLAM CIRCUIT
Clamp Offset Voltage
Clamp Pulse Width
0
20
2.75
40
3.75
mV
μA
1.75
PERFORMANCE
Resolution
Sampling Rate,
maximum F
S
mnimum F
S
Aperature Delay (Tds)
Integral Linearity Error
Diff. Linearity Error
Diff. Gain Error
Diff. Phase Error
S/N Ratio with THD
(f
IN
= 100kHz)
(f
IN
= 500kHz)
(f
IN
= 1MHz)
(f
IN
= 3MHz)
(f
IN
= 10MHz)
(f
IN
= 25MHz)
Spurious Free Dynamic Range
(f
IN
= 100kHz)
(f
IN
= 500kHz)
(f
IN
= 1MHz)
(f
IN
= 3MHz)
(f
IN
= 10MHz)
(f
IN
= 25MHz)
8
50
—
—
—
—
—
—
—
—
—
0
±0.7
±0.3
3
1.5
—
—
0.5
—
±1.5
±0.5
—
—
Bit
MHz
MHz
ns
LSB
LSB
%
deg
—
—
—
—
—
—
45
44
44
43
38
32
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
—
—
—
—
—
—
51
46
49
46
45
45
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
POWER REQUIREMENTS
Power Supply
+AV
S
+DV
S
|AGND – DGND|
Power Supply Current
1. AI
S,
DI
S
(@ +DV
S
= +5V)
2. AI
S
DI
S
(@ +DV
S
= +3.3V)
Power Dissipation
+4.75
+3.0
0
+5.0
—
—
+5.25
+5.5
100
Volts
Volts
mW
—
—
—
—
25
23
2
125
36
33
3
180
mA
mA
mA
mW
ENVIRONMENTAL/PHYSICAL
Operating Temp. Range, Case
Storage Temperature Range
Package Type
Weight
–40
–55
—
—
32-pin, plastic QFP
0.007 ounces (0.2 grams)
+85
+150
°C
°C
ANALOG INPUTS
MIN.
TYP.
MAX.
UNITS
Input Voltage Range
Input Capacitance
(@ V
IN
= +1.5Vdc +0.07V
RMS)
Input Signal Bandwidth
–1dB (@ R
IN
= 33
)
–3dB (@ R
IN
= 33
)
+0.5
—
+2.5
Volts
—
15
—
pF
—
—
60
100
—
—
MHz
MHz
REFERENCE INPUTS
Reference Resistance
V
RT
– V
RB
Reference Current
Reference Voltage
V
RT
V
RB
V
RT
– V
RB
Self Bias Voltage
V
RB
V
RT
– V
RB
Capacitance
(V
RT
, V
RTS
, V
RB
, V
RBS
)
Offset Voltage
V
RT
V
RB
260
4.1
370
5.4
480
7.7
mA
—
0
1.7
—
—
—
+2.7
—
—
Volts
Volts
Volts
+0.52
1.80
—
+0.56
1.92
—
+0.60
2.04
11
Volts
Volts
pF
–70
20
–50
40
–30
60
mV
mV
DIGITAL INPUTS
Logic Levels
Input Voltage "1"
Input Voltage "0"
Input Current
A/D CLK
CLP CLE
OE
Input Capacitance
A/D Clock Pulse Width
(tpw1)
(tpw0)
2.2
—
—
—
—
+0.8
Volts
Volts
–240
–240
–40
—
—
—
—
—
240
40
240
11
μA
μA
μA
pF
10
10
—
—
—
—
ns
ns
DIGITAL OUTPUTS
MIN.
TYP.
MAX.
UNITS
Output Current
(OE = 0V)
(@ +DV
S
= +5V)
"1"
"0"
—
4
—
—
–2
—
mA
mA
Output Current
(OE = 0V)
(@ +DV
S
= +3.3V)
"1"
"0"
—
2.4
—
—
–1.2
—
mA
mA
Output Current
(@ OE = +3V)
"1"
"0"
—
–40
–40
—
—
—
11
40
40
pF
μ
A
μ
A
Capacitance
PARAMETERS
LIMITS
UNITS
Power Supply Voltage
(+AV
S
, +DV
S
)
Analog Input Voltage,
(V
IN
)
Reference Input Voltage
(V
RT
, V
RB
)
Digital Input Voltage
(V
IH
, V
IL
)
Digital Output Voltage
(V
OH
, V
OL
)
–0.5 to 7
Volts
Volts
Volts
Volts
Volts
–0.5 to +AV
S
+ 0.5
–0.5 to +AV
S
+ 0.5
–0.5 to +AV
S
+ 0.5
–0.5 to +DV
S
+ 0.5
ABSOLUTE MAXIMUM RATINGS
FUNCTIONAL SPECIFICATIONS
Typical at T
A
= 25°C, V
RT
= +2.5V, V
RB
= +0.5V, +AV
S
= +5V, +DV
S
= +3V to +5.5V,
F
S
= 50MHz unless otherwise specified.
(T
A
= +25°C)
Footnotes:
See technical note 6
Pin 25 tied to AGND and pin 17 tied to +AV
S
+AV
S
= +4.75 to +5.25V and +DV
S
= 3 to +5.5V, full operating tem range.
V
IL
= 0V and V
IH
= +AV
S
, full operating temp. range
V
OH
= +DV
S
–0.8V and V
OL
= +0.4V, full operating temp. range
+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
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
S
= +5V
11
12
11
11
12
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