ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)
1
25
°
C
Supply Voltages
V
CC
........................................................................... +6 V
V
EE
........................................................................... -6 V
Input Voltages
Analog Input ............................................... V
FB
≤V
IN
≤V
FT
V
FT
, V
FB
. ................................................... +3.0 V, -3.0 V
Reference Ladder Current ..................................... 12 mA
CLK IN ...................................................................... V
CC
Note:
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
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
CC
=+5.0 V, V
EE
=-5.2 V, DV
CC
=+5.0 V, V
IN
=±2.0 V, V
SB
=-2.0 V, V
ST
=+2.0 V, f
CLK=
10 MHz, 50% clock duty cycle,
unless otherwise specified.
PARAMETERS
Resolution
DC Accuracy
Integral Nonlinearity
Differential Nonlinearity
No Missing Codes
Analog Input
Input Voltage Range
Input Bias Current
Input Resistance
Input Capacitance
Input Bandwidth
+FS Error
-FS Error
Reference Input
Reference Ladder Resistance
Reference Ladder Tempco
Timing Characteristics
Maximum Conversion Rate
Overvoltage Recovery Time
Pipeline Delay (Latency)
Output Delay
Aperture Delay Time
Aperture Jitter Time
Dynamic Performance
Effective Number of Bits
f
IN
=500 kHz
f
IN
=1.0 MHz
f
IN
=3.58 MHz
Signal-to-Noise Ratio
(without Harmonics)
f
IN
=500 kHz
f
IN
=1 MHz
f
IN
=3.58 MHz
TEST
CONDITIONS
T
A
=+25
°C
±
Full Scale
100 kHz Sample Rate
TEST
LEVEL
MIN
12
SPT7920
TYP
MAX
UNITS
Bits
LSB
LSB
V
V
VI
VI
I
I
V
V
V
V
VI
V
VI
V
IV
V
V
V
±2.0
±0.8
Guaranteed
±2.0
30
300
5
120
±5.0
±5.0
800
0.8
f
CLK
=1 MHz
T
A
=+25
°C
V
IN
=0 V, T
A
=+25
°C
3 dB Small Signal
60
100
V
µA
kΩ
pF
MHz
LSB
LSB
Ω
Ω/°C
MHz
ns
f
CLK
=1 MHz
500
10
20
14
1
5
1
18
Clock Cycle
T
A
=+25
°C
T
A
=+25
°C
T
A
=+25
°C
ns
ns
ps-RMS
10.2
10.0
9.5
Bits
Bits
Bits
T
A
=+25
°C
T
A
=T
MIN
to T
MAX
T
A
=+25
°C
T
A
=T
MIN
to T
MAX
T
A
=+25
°C
T
A
=T
MIN
to T
MAX
I
IV
I
IV
I
IV
64
58
64
58
62
58
67
61
66
60
64
60
dB
dB
dB
dB
dB
dB
SPT7920
2
3/10/97
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
