SPT7721 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'SPT7721' PDF : 11 Pages View PDF
ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur) 25 °C
Supply Voltages
AVCC ...................................................................... +6 V
OVDD ..................................................................... +6 V
Input Voltages
Analog Inputs ............................... –0.5 V to VCC +0.5 V
Digital Inputs ................................ –0.5 V to VCC +0.5 V
Temperatures
Operating Temperature ........................... –40 to +85 °C
Storage Temperature ............................ –65 to +125 °C
Note: Operation at any Absolute Maximum Rating is not implied.
See Electrical Specifications for proper applied conditions in
typical applications.
ELECTRICAL SPECIFICATIONS
TA = TMIN to TMAX, AVCC = +5.0 V, ƒCLK = 250 MHz, VCM = 2.5 V, OVDD = 5.0 V, unless otherwise specified.
PARAMETERS
TEST
CONDITIONS
TEST
LEVEL
SPT7721
MIN
TYP
Resolution
8
DC Performance
ƒIN = 1 kHz
Differential Linearity Error (DLE) +25 °C
V
–40 °C to +85 °C
V
Integral Linearity Error (ILE)
+25 °C
V
Best Fit
–40 °C to +85 °C
V
No Missing Codes
+25 °C, ƒIN = 1 kHz
I
–0.70/+1.05
–0.95/+1.5
±1.7
±2.25
Guaranteed
Analog Input
Input Voltage Range
(with respect to VIN–)
+25 °C
V
Gain Variation
VI
Input Common Mode (VCM)
IV
Input Bias Current
VI
Input Resistance
+25 °C
V
Input Capacitance
+25 °C
V
Input Bandwidth
+25 °C (–3 dB of FS)
V
Offset Error
VI
Offset Power Supply Rejection Ratio
V
±470
2
2.3
2.5
10
50
4
220
±10
0.5
Timing Characteristics
Maximum Conversion Rate
Output Delay (Clock-to-Data) (tpd1)
Output Delay Tempco
Aperture Delay Time (tap)
Aperture Jitter Time
Pipeline Delay (Latency)
Single Channel Mode
Demuxed Interleaved Mode
Demuxed Parallel Mode
Channel B
Channel A
CLK to DCLKOUT Delay Time
Single Channel Mode (tpd2)
Dual Channel Mode (tpd3)
Dynamic Performance
Effective Number of Bits (ENOB)
ƒIN = 70 MHz
ƒIN = 70 MHz
Signal-to-Noise Ratio (SNR)
ƒIN = 70 MHz
ƒIN = 70 MHz
–40 °C to +85 °C
+25 °C
–40 °C to +85 °C
+25 °C
–40 °C to +85 °C
VI
250
IV
6
8
V
22
IV
0.5
IV
2
V
2.5
V
2.5
V
2.5
V
3.5
IV
4
6
IV
5.3
6.16
VI
5.8
6.4
IV
5.5
6.0
VI
42
43
IV
36
40
MAX
3.0
10.5
7
7.8
UNITS
Bits
LSB
LSB
LSB
LSB
mVP-P
%
V
µA
kΩ
pF
MHz
mV
mV/V
MSPS
ns
ps/°C
ns
ps rms
Clocks
Clocks
Clocks
Clocks
ns
ns
Bits
Bits
dB
dB
SPT7721
2
11/8/01
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