ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)
1
25
°
C
Supply Voltages
V
CC
............................................................... -0.3 to +6 V
V
EE
............................................................... +0.3 to -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
Output
Digital Outputs .......................................... +30 to -30 mA
Temperature
Operating Temperature .............................. -25 to +85
°C
Junction Temperature
(1) ..............................................
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
T
A
=T
min
- T
max
, V
CC
=+5.0 V, V
EE
=-5.2 V, V
IN
=±2.0 V, V
SB
=-2.0 V, V
ST
=+2.0 V, f
clock
=20 MHz, 50% clock duty cycle, unless otherwise specified.
PARAMETERS
Resolution
DC Accuracy (+25
°C)
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
=1 MHz
f
IN
=3.58 MHz
f
IN
=10.3 MHz
TEST
CONDITIONS
TEST
LEVEL
MIN
10
SPT7810A
TYP
MAX
MIN
10
SPT7810B
TYP MAX
UNITS
Bits
±
Full Scale
250 kHz Sample Rate
V
V
VI
VI
VI
VI
V
V
V
V
VI
V
VI
V
IV
V
V
V
±1.0
±0.5
Guaranteed
±2.0
30
300
5
120
±2.0
±2.0
800
0.8
±1.5
±0.75
Guaranteed
±2.0
30
300
5
120
±2.0
±2.0
800
0.8
LSB
LSB
V
IN
=0 V
60
100
60
100
3 dB Small Signal
V
µA
kΩ
pF
MHz
LSB
LSB
Ω
Ω/°C
MHz
ns
500
500
20
20
1
5
1
5
20
20
1
5
1
5
Clock Cycle
T
A
=+25
°C
T
A
=+25
°C
T
A
=+25
°C
ns
ns
ps-RMS
9.2
8.8
7.5
8.7
8.3
7.0
Bits
Bits
Bits
Typical thermal impedances: 28L sidebrazed DIP.
θ
ja
= 50
°C/W,
28L plastic DIP
θ
ja
= 50
°C/W.
SPT7810
2
3/11/97
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
