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參數(shù)資料
| 型號： | SPT7920SCJ |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 12-BIT, 10 MSPS, TTL, A/D CONVERTER |
| 中文描述： | 12位，10 MSPS的，TTL電平的A / D轉換器 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 114K |
| 代理商： | SPT7920SCJ |
SPT
3
3/10/97
SPT7920
ELECTRICAL SPECIFICATIONS
T
A
=T
MIN
to T
MAX
, V
CC
=+5.0 V, V
EE
=-5.2 V, DV
CC
=+5.0 V, V
IN
=
±
2.0 V, V
SB
=-2.0 V, V
ST
=+2.0 V, f
CLK=
10 MHz, 50% clock duty
cycle, unless otherwise specified.
TEST
CONDITIONS
TEST
LEVEL
SPT7920
TYP
PARAMETERS
Dynamic Performance
Harmonic Distortion
f
IN
=500 kHz
MIN
MAX
UNITS
T
A
=+25
°
C
T
A
=T
MIN
to T
MAX
T
A
=+25
°
C
T
A
=T
MIN
to T
MAX
T
A
=+25
°
C
T
A
=T
MIN
to T
MAX
I
63
59
63
59
59
57
66
62
65
61
61
59
dB
dB
dB
dB
dB
dB
IV
I
IV
I
IV
f
IN
=1.0 MHz
f
IN
=3.58 MHz
Signal-to-Noise and Distortion
f
IN
=500 kHz
T
A
=+25
°
C
T
A
=T
MIN
to T
MAX
T
A
=+25
°
C
T
A
=T
MIN
to T
MAX
T
A
=+25
°
C
T
A
=T
MIN
to T
MAX
T
A
=+25
°
C
T
A
=+25
°
C
T
A
=+25
°
C
f
CLK
=1 MHz
T
A
=+25
°
C
T
A
=+25
°
C
T
A
=+25
°
C
T
A
=+25
°
C
I
60
55
60
55
57
54
63
58
62
57
59
56
74
0.2
0.7
dB
dB
dB
dB
dB
dB
dB
Degree
%
IV
I
IV
I
IV
V
V
V
f
IN
=1.0 MHz
f
IN
=3.58 MHz
Spurious Free Dynamic Range
1
Differential Phase
2
Differential Gain
2
Digital Inputs
Logic 1 Voltage
Logic 0 Voltage
Maximum Input Current Low
Maximum Input Current High
Pulse Width Low (CLK)
Pulse Width High (CLK)
Digital Outputs
Logic 1 Voltage
Logic 0 Voltage
Power Supply Requirements
Voltages
V
CC
DV
CC
-V
EE
Currents
I
CC
DI
CC
-I
EE
Power Dissipation
Power Supply Rejection
+5 V
±
0.25 V, -5.2
±
0.25 V
I
I
I
I
2.4
4.5
0.8
+20
+20
V
V
μ
A
μ
A
ns
ns
0
0
+5
+5
IV
IV
30
30
300
f
CLK
=1 MHz
T
A
=+25
°
C
T
A
=+25
°
C
I
I
2.4
V
V
0.6
IV
IV
IV
I
I
I
VI
V
4.75
4.75
-4.95
5.0
5.0
-5.2
135
40
45
1.1
1.0
5.25
5.25
-5.45
150
V
V
V
mA
mA
mA
W
LSB
T
A
=+25
°
C
55
70
1.3
T
A
=+25
°
C
Typical thermal impedances (unsoldered, in free air):
32L sidebrazed DIP:
θ
ja
= +50
°
C/W
44L cerquad:
θ
ja
= +78
°
C/W
θ
ja
at 1 M/s airflow = +58
°
C/W
θ
jc
= +3.3
°
C/W
1
f
IN
= 1 MHz.
2
f
IN
= 3.58 and 4.35 MHz.
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