SPT7720SIT Просмотр технического описания (PDF) - Signal Processing Technologies
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SPT7720SIT Datasheet PDF : 10 Pages
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ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)1 25 °C
Supply Voltages
VDD ........................................................................ +6 V
Input Voltages
Analog Inputs ............................................... 0.0 to VDD
Digital Inputs ................................................ 0.0 to VDD
VREFL, VREFH ................................................ 0.0 to VDD
Temperatures
Operating Temperature .......................... –40 to +85 °C
Storage Temperature ............................ –65 to +125 °C
Note 1. Operation at any Absolute Maximum Rating is not implied. See
Electrical Specifications for proper nominal applied conditions in
typical applications.
ELECTRICAL SPECIFICATIONS
TA=TMIN to TMAX, VDD=+5.0 V, external reference, ƒS=200 MSPS, input amplitude = –1 dBFS, unless otherwise noted
PARAMETERS
TEST
CONDITIONS
TEST
LEVEL
SPT7720
MIN
TYP
MAX UNITS
DC Accuracy
Differential Linearity Error (DLE)
+25 °C
I
–40 °C to +85 °C
V
Integral Linearity Error (ILE)
+25 °C
I
–40 °C to +85 °C
V
No Missing Codes
VI
Gain Error
+25 °C
I
Gain Tempco
V
±0.41
±1.0
±0.56
±0.9
Guaranteed
±1.06
0
±0.75
±1.0
±1.0
±1.2
±1.08
LSB
LSB
LSB
LSB
%FS
ppm/°C
Switching Performance
Encode Pulsewidth High
Encode Pulsewidth Low
Aperture Delay (tA)
Aperture Uncertainty (Jitter) & Noise
Data Sync Setup Time (tSDS)
Data Sync Hold Time (tHDS)
Data Sync Pulsewidth Time (tPWDS)
Output Valid Time (tV)
Output Prop. Delay (tPD)
Dynamic Performance
Transient Response
Overvoltage Recovery Time
Signal-to-Noise Ratio (SNR)
(without harmonics)
ƒIN = 19.7 MHz
ƒIN = 19.7 MHz
ƒIN = 70.1 MHz
ƒIN = 70.1 MHz
Signal-to-Noise Ratio and Distortion
(SINAD)
ƒIN = 19.7 MHz
ƒIN = 19.7 MHz
ƒIN = 70.1 MHz
ƒIN = 70.1 MHz
2nd Harmonic Distortion
ƒIN = 19.7 MHz
ƒIN = 70.1 MHz
3rd Harmonic Distortion
ƒIN = 19.7 MHz
ƒIN = 70.1 MHz
Total Harmonic Distortion (THD)
ƒIN = 70.1 MHz
ƒIN = 70.1 MHz
Effective Number of Bits (ENOB)
ƒIN = 70.1 MHz
ƒIN = 70.1 MHz
+25 °C
+25 °C
+25 °C
+25 °C
+25 °C
+25 °C
+25 °C
+25 °C
+25 °C
+25 °C
–40 °C to +85 °C
+25 °C
–40 °C to +85 °C
+25 °C
–40 °C to +85 °C
+25 °C
–40 °C to +85 °C
+25 °C
+25 °C
+25 °C
+25 °C
+25 °C
–40 to +85 °C
+25 °C
–40 to +85 °C
IV
2.125
15
ns
IV
2.125
15
ns
V
0.57
ns
V
4.5
ps rms
IV
0
ns
IV
0.5
ns
IV
2.0
ns
IV
4.4
5.7
ns
IV
6.7
8.0
ns
V
1.5
ns
V
1.5
ns
V
47
dB
V
47
dB
I
44
46.3
dB
V
45.8
dB
V
47
dB
V
43
dB
I
43
44.9
dB
V
44.5
dB
V
–59
dBc
V
–55.4
dBc
V
–58
dBc
V
–56.4
dBc
I
–50.9
–46.0 dBc
V
–48.3
dBc
I
6.9
7.16
Bits
V
6.5
Bits
SPT
2
SPT7720
5/9/01
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