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ADS809 Datasheet, PDF (3/20 Pages) Burr-Brown (TI) – 12-Bit, 80MHz Sampling ANALOG-TO-DIGITAL CONVERTER
ELECTRICAL CHARACTERISTICS (Cont.)
At TA = full specified temperature range, differential input range = 1V to 2V, sampling rate = 80MHz, VS = +5V, and internal reference, unless otherwise noted.
ADS809Y
PARAMETER
CONDITIONS
DIGITAL INPUTS
Logic Family
Convert Command
High-Level Input Current (VIN = 5V)(3)
Low-Level Input Current (VIN = 0V)
High-Level Input Voltage
Low-Level Input Voltage
Input Capacitance
Start Conversion
DIGITAL OUTPUTS
Logic Family
Logic Coding
Low Output Voltage (IOL = 50µA to 1.6mA)
High Output Voltage, (IOH = 50µA to 0.5mA)
Low Output Voltage, (IOL = 50µA to 1.6mA)
High Output Voltage, (IOH = 50µA to 1.6mA)
3-State Enable Time
3-State Disable Time
Output Capacitance
VDRV = 3V
VDRV = 5V
OE = LOW
OE = HIGH
ACCURACY (Internal Reference, = 2V, Unless Otherwise Noted)
Zero Error (midscale)
at 25°C
Zero Error Drift (midscale)
Gain Error(4)
at 25°C
Gain Error Drift(4)
Gain Error(5)
at 25°C
Gain Error Drift(5)
Power-Supply Rejection of Gain
Internal REF Tolerance (VREFP – VREFN)
Reference Input Resistance
∆VS = ±5%
Deviation from Ideal
POWER-SUPPLY REQUIREMENTS
Supply Voltage: +VS
Supply Current: +IS
Output Driver Supply Current (VDRV)
Power Dissipation: VDRV = 5V
VDRV = 3V
VDRV = 5V
VDRV = 3V
Power Down
Thermal Resistance, θJA
TQFP-48
Operating
Operating
Internal Reference
Internal Reference
External Reference
External Reference
Operating
MIN
TYP
MAX
+3V/+5V Compatible CMOS
Rising Edge of Convert Clock
100
±10
+2.0
+1.0
5
+3V/+5V Compatible CMOS
Straight Offset Binary
+0.2
+2.5
+0.2
+2.5
20
40
2
10
5
+4.75
0.5
12
±1.5
38
±0.75
20
68
±10
660
+5.0
170
12
925
900
905
880
20
28.8
±40
+5.25
945
UNITS
µA
µA
V
V
pF
V
V
V
V
ns
ns
pF
%FS
ppm/°C
%FS
ppm/°C
%FS
ppm/°C
dB
mV
Ω
V
mA
mA
mW
mW
mW
mW
mW
°C/W
NOTES: (1) Spurious-Free Dynamic Range refers to the magnitude of the largest harmonic. (2) dBFS means dB relative to Full-Scale. (3) A 50kΩ pull-down
resistor is inserted internally. (4) Includes internal reference. (5) Excludes internal reference.
ADS809
3
SBAS170C
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