ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)
1
25 °C
Supply Voltages
V
DD
........................................................................ +6 V
Input Voltages
Analog Inputs ............................................... 0.0 to V
DD
Digital Inputs ................................................ 0.0 to V
DD
V
REFL
, V
REFH
................................................ 0.0 to V
DD
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
T
A
=T
MIN
to T
MAX
, V
DD
=+5.0 V, external reference, ƒ
S
=200 MSPS, input amplitude = –1 dBFS, unless otherwise noted
PARAMETERS
DC Accuracy
Differential Linearity Error (DLE)
Integral Linearity Error (ILE)
No Missing Codes
Gain Error
Gain Tempco
Switching Performance
Encode Pulsewidth High
Encode Pulsewidth Low
Aperture Delay (t
A
)
Aperture Uncertainty (Jitter) & Noise
Data Sync Setup Time (t
SDS
)
Data Sync Hold Time (t
HDS
)
Data Sync Pulsewidth Time (t
PWDS
)
Output Valid Time (t
V
)
Output Prop. Delay (t
PD
)
Dynamic Performance
Transient Response
Overvoltage Recovery Time
Signal-to-Noise Ratio (SNR)
(without harmonics)
ƒ
IN
= 19.7 MHz
ƒ
IN
= 19.7 MHz
ƒ
IN
= 70.1 MHz
ƒ
IN
= 70.1 MHz
Signal-to-Noise Ratio and Distortion
(SINAD)
ƒ
IN
= 19.7 MHz
ƒ
IN
= 19.7 MHz
ƒ
IN
= 70.1 MHz
ƒ
IN
= 70.1 MHz
2nd Harmonic Distortion
ƒ
IN
= 19.7 MHz
ƒ
IN
= 70.1 MHz
3rd Harmonic Distortion
ƒ
IN
= 19.7 MHz
ƒ
IN
= 70.1 MHz
Total Harmonic Distortion (THD)
ƒ
IN
= 70.1 MHz
ƒ
IN
= 70.1 MHz
Effective Number of Bits (ENOB)
ƒ
IN
= 70.1 MHz
ƒ
IN
= 70.1 MHz
TEST
CONDITIONS
+25 °C
–40 °C to +85 °C
+25 °C
–40 °C to +85 °C
+25 °C
TEST
LEVEL
I
V
I
V
VI
I
V
IV
IV
V
V
IV
IV
IV
IV
IV
V
V
V
V
I
V
V
V
I
V
V
V
V
V
I
V
I
V
MIN
SPT7720
TYP
±0.41
±1.0
±0.56
±0.9
Guaranteed
±1.06
0
MAX
±0.75
±1.0
±1.0
±1.2
±1.08
UNITS
LSB
LSB
LSB
LSB
%FS
ppm/°C
ns
ns
ns
ps rms
ns
ns
ns
ns
ns
ns
ns
dB
dB
dB
dB
dB
dB
dB
dB
dBc
dBc
dBc
dBc
+25
+25
+25
+25
+25
+25
+25
°C
°C
°C
°C
°C
°C
°C
2.125
2.125
0
0.5
2.0
4.4
15
15
0.57
4.5
5.7
6.7
1.5
1.5
47
47
46.3
45.8
47
43
44.9
44.5
–59
–55.4
–58
–56.4
–50.9
–48.3
8.0
+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
44
43
–46.0
dBc
dBc
Bits
Bits
6.9
6.5
7.16
SPT7720
2
5/9/01
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
