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SPT774 数据表(PDF) 3 Page - Cadeka Microcircuits LLC.

部件名 SPT774
功能描述  FAST, COMPLETE 12-BIT mP COMPATIBLE A/D CONVERTER WITH SAMPLE/HOLD
PDF  12 Pages
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制造商  CADEKA [Cadeka Microcircuits LLC.]
网页  http://www.cadeka.com
标志 CADEKA - Cadeka Microcircuits LLC.

SPT774 数据表(HTML) 3 Page - Cadeka Microcircuits LLC.

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SPT774
ELECTRICAL SPECIFICATIONS
TA = TMIN to TMAX, VEE = 0 to +5 V, VDD = +5 V, fS = 117 kHz, fIN = 10 kHz, unless otherwise specified.
TEST
TEST
SPT774C
SPT774B
PARAMETER
CONDITIONS
LEVEL
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
DC ELECTRICAL CHARACTERISTICS
Power Supplies Operating
Voltage Range
VDD
IV
+4.5
+5.5
+4.5
+5.5
Volts
VEE2
IV
VDD
VDD
Volts
Operating Current
IDD
IV
15
24
15
24
mA
IEE2VEE = +5 V
IV
167
167
µA
Power Dissipation
VI
75
120
75
120
mW
Internal Reference
Voltage
VI
2.4
2.5
2.6
2.4
2.5
2.6
Volts
Output Current3
VI
0.5
0.5
mA
DIGITAL CHARACTERISTICS
Logic Inputs
(CE, CS , R/C , Ao, 12/8 )
Logic 0
VI
-0.5
+0.8
-0.5
+0.8
Volts
Logic1
VI
2.0
5.5
2.0
5.5
Volts
Current
VI
-5.0
0. 1
5.0
-5.0
0. 1
5.0
µA
Capacitance
V
5
5
pF
Logic Outputs
(DB11-DB0, STS)
Logic 0
(ISink = 1.6 mA)
VI
+0.4
+0.4
Volts
Logic 1
(ISOURCE = 500 µA)
VI
+2.4
+2.4
Volts
Leakage
(High Z State,
VI
-5
0.1
+5
-5
0.1
+5
µA
DB11-DB0 Only)
Capacitance
V
5
5
pF
AC Accuracy
fS=117 kHz, fIN=10 kHz
Spurious Free Dyn. Range
V
73
78
76
78
dB
Total Harmonic Distortion
V
-77
-72
-77
-75
dB
Signal-to-Noise Ratio
V
69
72
71
72
dB
Signal-to-Noise & Distortion
V
68
71
70
71
dB
(SINAD)
Intermodulation Distortion
fIN=20 kHz;
V
-75
-75
dB
fIN2=23 kHz
Note 1: Fixed 50
Ω resistor from REF OUT to REF IN and REF OUT to BIP OFF.
Note 2: VEE is optional and is only used to set the mode for the internal sample/hold. When not using VEE, the pin should be treated
as a no connect. If VEE is connected to 0 to -15 V, aperture delay (tAP) will increase from 20 ns (typ) to 4000 ns (typ).
Note 3: Available for external loads; external load should not change during conversion.
3
8/1/00



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