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参数资料
| 型号： | SPT574CCS |
| 厂商： | SIGNAL PROCESSING TECHNOLOGIES |
| 元件分类： | ADC |
| 英文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28 |
| 封装： | SOIC-28 |
| 文件页数： | 6/12页 |
| 文件大小： | 113K |
| 代理商： | SPT574CCS |
SPT
3
8/1/00
SPT574
ELECTRICAL SPECIFICATIONS
TA = TMIN to TMAX, VEE = 0 to +5 V, VDD = +5 V, fS = 40 kHz, fIN = 10 kHz, unless otherwise specified.
TEST
SPT574C
SPT574B
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
Volts
Operating Current
IDD
IV
13
20
13
20
mA
IEE2VEE = +5 V
IV
167
A
Power Dissipation
VI
65
100
65
100
mW
Internal Reference
Voltage
VI
2.4
2.5
2.6
2.4
2.5
2.6
Volts
Output Current3
VI
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
A
Capacitance
V
5
pF
Logic Outputs
(DB11-DB0, STS)
Logic 0
(ISink = 1.6 mA)
VI
+0.4
Volts
Logic 1
(ISOURCE = 500 A)
VI
+2.4
Volts
Leakage
(High Z State,
VI
-5
0.1
+5
-5
0.1
+5
A
DB11-DB0 Only)
Capacitance
V
5
pF
AC Accuracy
fS=40 kHz, fIN=10 kHz
Spurious Free Dyn. Range
V
78
dB
Total Harmonic Distortion
V
-77
dB
Signal-to-Noise Ratio
V
72
dB
Signal-to-Noise & Distortion
V
71
dB
(SINAD)
Intermodulation Distortion
fIN=10 kHz;
V
-75
dB
fIN2=11.5 kHz
Note 1: Fixed 50
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.
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