SPT7912SCJ View Datasheet(PDF) - Signal Processing Technologies
Part Name
Description
MFG CO.
'SPT7912SCJ' PDF : 11 Pages View PDF
ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)1 25 °C
Supply Voltages
VCC ............................................................... -0.3 to +6 V
VEE ............................................................... +0.3 to -6 V
Input Voltages
Analog Input ............................................... VFB≤VIN≤VFT
VFT, VFB. ................................................... +3.0 V, -3.0 V
Reference Ladder Current ..................................... 12 mA
Output
Digital Outputs .............................................. 0 to -30 mA
Temperature
Operating Temperature ................................. 0 to +70 °C
Junction Temperature ......................................... +175 °C
Lead Temperature, (soldering 10 seconds) ........ +300 °C
Storage Temperature ................................ -65 to +150 °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, VCC=+5.0 V, VEE=-5.2 V, DVCC=+5.0 V, VIN=±2.0 V, VSB=-2.0 V, VST=+2.0 V, fclock=30 MHz, 50% clock duty
cycle, unless otherwise specified.
PARAMETERS
Resolution
TEST
CONDITIONS
TEST
LEVEL
SPT7912
MIN
TYP
12
MAX
UNITS
Bits
DC Accuracy (+25 °C)
Integral Nonlinearity
± Full Scale
V
±2.0
LSB
Differential Nonlinearity
250 kHz Sample Rate
V
±0.8
LSB
No Missing Codes
VI
Guaranteed
Analog Input
Input Voltage Range
VI
±2.0
V
Input Bias Current
VI
30
60 µA
Input Resistance
Input Capacitance
VIN=0 V
VI
100
300
kΩ
V
5
pF
Input Bandwidth
3 dB Small Signal
V
120
MHz
+FS Error
V
±5.0
LSB
-FS Error
V
±5.0
LSB
Reference Input
Reference Ladder Resistance
VI
500
800
Ω
Reference Ladder Tempco
V
0.8
Ω/°C
Timing Characteristics
Maximum Conversion Rate
VI
30
40
MHz
Overvoltage Recovery Time
V
20
ns
Pipeline Delay (Latency)
IV
1 Clock Cycle
Output Delay
V
5
ns
Aperture Delay Time
V
1
ns
Aperture Jitter Time
V
5
ps-RMS
Dynamic Performance
Effective Number of Bits
fIN=500 kHz
fIN=1.0 MHz
fIN=3.58 MHz
10.0
Bits
9.8
Bits
9.5
Bits
SPT
2
SPT7912
3/10/97
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