參數(shù)資料
型號(hào)： SPT7840SIS
廠商： SIGNAL PROCESSING TECHNOLOGIES
元件分類： ADC
英文描述： 10-BIT, 10 MSPS, 100 mW A/D CONVERTER
中文描述： 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28
封裝： SOIC-28
文件頁(yè)數(shù)： 2/12頁(yè)
文件大小： 95K
代理商： SPT7840SIS
2
6/27/01
SPT7840
ELECTRICAL SPECIFICATIONS
T
A
=T
MIN
to T
MAX
, AV
DD
=DV
DD
=OV
DD
=+5.0 V, V
IN
=0 to 4 V,
CLK
=20 MHz,
S
=10MSPS, V
RHS
=4.0 V, V
RLS
=0.0 V, unless otherwise specified.
TEST
CONDITIONS
TEST
LEVEL
SPT7840
TYP
PARAMETERS
MIN
MAX
UNITS
Resolution
10
Bits
DC Accuracy
Integral Linearity Error (ILE)
Differential Linearity Error (DLE)
No Missing Codes
VI
VI
VI
±1.0
±0.5
LSB
LSB
Guaranteed
Analog Input
Input Voltage Range
Input Resistance
Input Capacitance
Input Bandwidth
Offset
Gain Error
VI
IV
V
V
V
V
V
RLS
50
V
RHS
V
k
pF
MHz
LSB
LSB
5.0
100
±2.0
±2.0
(Small Signal)
Reference Input
Resistance
Bandwidth
Voltage Range
V
RLS
V
RHS
V
RHS
–
V
RLS
(V
RHF
–
V
RHS
)
(V
RLS
–
V
RLF
)
VI
V
400
100
500
150
600
MHz
IV
IV
V
V
V
0
2.0
V
V
V
mV
mV
3.0
1.0
AV
DD
5.0
4.0
90
75
Reference Settling Time
V
RHS
V
RLS
V
V
15
20
Clock Cycles
Clock Cycles
Conversion Characteristics
Maximum Conversion Rate
Minimum Conversion Rate
Pipeline Delay (Latency)
Aperture Delay Time
Aperture Jitter Time
VI
IV
IV
V
V
10
2
MHz
MHz
Clock Cycles
ns
ps (p-p)
12
5
10
Dynamic Performance
Effective Number of Bits (ENOB)
IN
= 1 MHz
IN
= 5 MHz
Signal-to-Noise Ratio (SNR)
(without Harmonics)
IN
= 1 MHz
IN
= 5 MHz
VI
VI
9.1
9.0
Bits
Bits
VI
VI
53
52
58
57
dB
dB
ABSOLUTE MAXIMUM RATINGS (Beyond which damage may occur)
1
25 °C
Note:
1. Operation at any Absolute Maximum Rating is not implied. See
Electrical Specifications for proper nominal applied conditions
in typical applications.
Supply Voltages
AV
DD
......................................................................+6 V
DV
DD
.....................................................................+6 V
Input Voltages
Analog Input ..............................
–
0.5 V to AV
DD
+0.5 V
V
REF
..............................................................0 to AV
DD
CLK Input ............................................................... V
DD
AV
DD
–
DV
DD
..................................................±100 mV
AGND
–
DGND ..............................................±100 mV
Output
Digital Outputs ...................................................10 mA
Temperature
Operating Temperature ............................
–
40 to 85
°
C
Junction Temperature ........................................ 175
°
C
Lead Temperature, (soldering 10 seconds) ....... 300
°
C
Storage Temperature............................
–
65 to +150
°
C
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