ELECTRICAL SPECIFICATIONS
T
A
=T
min
- 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
=20 MHz, 50% clock duty cycle, unless otherwise
specified.
PARAMETERS
Dynamic Performance
Signal-To-Noise Ratio
(Without Harmonics)
f
IN
=1 MHz
f
IN
=3.58 MHz
f
IN
=10.0 MHz
Harmonic Distortion
f
IN
=1 MHz
f
IN
=3.58 MHz
f
IN
=10.0 MHz
Signal-to-Noise and Distortion
f
IN
=1 MHz
TEST
CONDITIONS
TEST
LEVEL
MIN
SPT7820A
TYP
MAX
MIN
SPT7820B
TYP MAX
UNITS
T
A
=+25
°C
T
A
=0-70, -25 to +85
°C
T
A
=-55 to +125
°C*
T
A
=+25
°C
T
A
=0-70, -25 to +85
°C
T
A
=-55 to +125
°C*
T
A
=+25
°C
T
A
=0-70, -25 to +85
°C
T
A
=-55 to +125
°C*
T
A
=+25
°C
T
A
=0-70, -25 to +85
°C
T
A
=-55 to +125
°C*
T
A
=+25
°C
T
A
=0-70, -25 to +85
°C
T
A
=-55 to +125
°C*
T
A
=+25
°C
T
A
=0-70, -25 to +85
°)
T
A
=-55 to +125
°C*
I
IV
IV
I
IV
IV
I
IV
IV
I
IV
IV
I
IV
IV
I
IV
IV
I
IV
IV
I
IV
IV
I
IV
IV
V
V
V
VI
VI
I
I
IV
IV
VI
VI
IV
IV
IV
I
I
I
I
V
57
55
52
56
54
52
50
47
43
57
54
50
56
53
50
46
45
45
55
52
48
54
51
48
44
43
41
60
58
55
58
56
54
53
50
46
60
57
53
58
55
52
48
47
47
57
54
52
49
53
51
49
47
44
40
54
51
47
53
50
47
43
42
42
52
49
45
51
48
45
41
40
38
57
55
52
55
53
51
49
46
42
57
54
50
55
52
49
45
44
44
54
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Degree
T
A
=+25
°C
T
A
=0-70, -25 to +85
°C
T
A
=-55 to +125
°C*
f
IN
=3.58 MHz
T
A
=+25
°C
T
A
=0-70, -25 to +85
°C
T
A
=-55 to +125
°C*
f
IN
=10.0 MHz
T
A
=+25
°C
T
A
=0-70, -25 to +85
°C
T
A
=-55 to +125
°C*
Spurious Free Dynamic Range T
A
=+25
°C,
f
IN
=1 MHz
Differential Phase
T
A
=+25
°C,
f
IN
=3.58 & 4.35 MHz
Differential Gain
T
A
=+25
°C,
f
IN
=3.58 & 4.35 MHz
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
f
CLK
=1 MHz
55
52
47
44
67
0.2
0.5
2.4
0
0
20
20
2.4
0.6
4.75
4.75
-4.95
5.25
5.25
-5.45
145
55
57
1.3
4.75
4.75
-4.95
+5
+5
4.5
0.8
+20
+20
300
2.4
0
0
20
20
2.4
67
0.2
0.7
4.5
0.8
+20
+20
%
V
V
µA
µA
ns
300 ns
V
0.6 V
5.25
5.25
-5.45
145
55
57
1.3
V
V
V
mA
mA
mA
W
LSB
T
A
=+25
°C
T
A
=+25
°C
+5
+5
f
CLK
=1 MHz
T
A
=+25
°C
T
A
=+25
°C
T
A
=+25
°C
T
A
=+25
°C
(5 V
±0.25
V, -5.2
±0.25
V)
5.0
-5.2
118
40
40
1.0
1.0
5.0
-5.2
118
40
40
1.0
1.0
*
Temperature tested /883 only.
SPT7820
3
3/11/97
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
