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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
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
VDD
Volts
Operating Current
IDD
IV
13
20
13
20
mA
IEE2VEE = +5 V
IV
167
167
µA
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
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=40 kHz, fIN=10 kHz
Spurious Free Dyn. Range
V
78
78
dB
Total Harmonic Distortion
V
-77
-77
dB
Signal-to-Noise Ratio
V
72
72
dB
Signal-to-Noise & Distortion
V
71
71
dB
(SINAD)
Intermodulation Distortion
fIN=10 kHz;
V
-75
-75
dB
fIN2=11.5 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.