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SPT
3
3/10/97
SPT7920
ELECTRICAL SPECIFICATIONS
TA=TMIN to TMAX, VCC=+5.0 V, VEE=-5.2 V, DVCC=+5.0 V, VIN=±2.0 V, VSB=-2.0 V, VST=+2.0 V, fCLK=10 MHz, 50% clock duty
cycle, unless otherwise specified.
TEST
TEST
SPT7920
PARAMETERS
CONDITIONS
LEVEL
MIN
TYP
MAX
UNITS
Dynamic Performance
Harmonic Distortion
fIN=500 kHz
TA=+25 °C
I
63
66
dB
TA=TMIN to TMAX
IV
59
62
dB
fIN=1.0 MHz
TA=+25 °C
I
63
65
dB
TA=TMIN to TMAX
IV
59
61
dB
fIN=3.58 MHz
TA=+25
°C
I
59
61
dB
TA=TMIN to TMAX
IV
57
59
dB
Signal-to-Noise and Distortion
fIN=500 kHz
TA=+25 °C
I
60
63
dB
TA=TMIN to TMAX
IV
55
58
dB
fIN=1.0 MHz
TA=+25
°C
I
60
62
dB
TA=TMIN to TMAX
IV
55
57
dB
fIN=3.58 MHz
TA=+25
°C
I
57
59
dB
TA=TMIN to TMAX
IV
54
56
dB
Spurious Free Dynamic Range1
TA=+25 °C
V
74
dB
Differential Phase2
TA=+25
°C
V
0.2
Degree
Differential Gain2
TA=+25 °C
V
0.7
%
Digital Inputs
fCLK=1 MHz
Logic 1 Voltage
TA=+25 °C
I
2.4
4.5
V
Logic 0 Voltage
TA=+25
°C
I
0.8
V
Maximum Input Current Low
TA=+25 °C
I
0
+5
+20
µA
Maximum Input Current High
TA=+25 °C
I
0
+5
+20
µA
Pulse Width Low (CLK)
IV
30
ns
Pulse Width High (CLK)
IV
30
300
ns
Digital Outputs
fCLK=1 MHz
Logic 1 Voltage
TA=+25 °C
I
2.4
V
Logic 0 Voltage
TA=+25 °C
I
0.6
V
Power Supply Requirements
Voltages
VCC
IV
4.75
5.0
5.25
V
DVCC
IV
4.75
5.0
5.25
V
-VEE
IV
-4.95
-5.2
-5.45
V
Currents
ICC
TA=+25
°C
I
135
150
mA
DICC
I40
55
mA
-IEE
TA=+25 °C
I
45
70
mA
Power Dissipation
VI
1.1
1.3
W
Power Supply Rejection
+5 V
±0.25 V, -5.2 ±0.25 V
V
1.0
LSB
Typical thermal impedances (unsoldered, in free air):
32L sidebrazed DIP:
θja = +50 °C/W
44L cerquad:
θja = +78 °C/W
θja at 1 M/s airflow = +58 °C/W
θjc = +3.3 °C/W
1fIN = 1 MHz.
2fIN = 3.58 and 4.35 MHz.