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 Input .................................................................. V
CC
Note:
Output
Digital Outputs .......................................... +30 to -30 mA
Temperature
Operating Temperature ............................ -55 to +125
°C
Junction Temperature
1 ..............................................
+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
- 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
=40 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 Bias Current
Input Resistance
Input Resistance
Input Capacitance
Input Bandwidth
+FS Error
-FS Error
TEST
CONDITIONS
TEST
LEVEL
MIN
10
SPT7824A
TYP
MAX
MIN
10
SPT7824B
TYP MAX UNITS
Bits
LSB
LSB
±
Full Scale
100 kHz Sample Rate
V
V
VI
V
VI
IV
VI
IV
V
V
V
V
VI
V
VI
V
IV
V
V
V
V
±1.0
±0.5
Guaranteed
±2.0
30
100
75
300
300
5
120
±2.0
±2.0
800
0.8
±1.5
±0.75
Guaranteed
±2.0
60
75
30
100
75
300
300
5
120
±2.0
±2.0
800
0.8
f
CLK
=1 MHz
V
IN
=0 V
T
A
=-55 to +125
°C
T
A
=-55 to +125
°C
3 dB Small Signal
V
60
µA
75
µA
kΩ
kΩ
pF
MHz
LSB
LSB
Ω
Ω/°C
MHz
ns
1
Clock Cycle
18 ns
ns
ps-RMS
ns
Reference Input
f
CLK
=1 MHz
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
Acquisition Time
Dynamic Performance
Effective Number of Bits
f
IN
=1 MHz
f
IN
=3.58 MHz
f
IN
=10.0 MHz
500
500
40
20
14
1
5
12
1
18
40
20
14
1
5
12
T
A
=+25
°C
T
A
=+25
°C
T
A
=+25
°C
T
A
=+25
°C
8.7
8.7
7.3
8.2
8.2
6.9
Bits
Bits
Bits
Typical thermal impedances (unsoldered, in free air): 28L sidebrazed DIP:
θ
ja
= 50
°C/W,
28L plastic DIP:
θ
ja
= 50°C/W,
28L SOIC:
θ
ja
= 100
°C/W.
SPT7824
2
3/11/97
CADEKA [ CADEKA MICROCIRCUITS LLC. ]
