Datasheet

REV. A
–2–
AD783–SPECIFICATIONS
DC SPECIFICATIONS
AD783J/A
Parameter Min Typ Max Units
SAMPLING CHARACTERISTICS
Acquisition Time
5 V Step to 0.01% 250 375 ns
5 V Step to 0.1% 200 350 ns
Small Signal Bandwidth 15 MHz
Full Power Bandwidth 2 MHz
HOLD CHARACTERISTICS
Effective Aperture Delay (+25°C) –30 15 30 ns
Aperture Jitter (+25°C) 20 50 ps
Hold Settling (to 1 mV, +25°C) 150 200 ns
Droop Rate 0.02 1 µV/µs
Feedthrough (+25°C)
(V
IN
= ±2.5 V, 500 kHz) –80 dB
ACCURACY CHARACTERISTICS
1
Hold Mode Offset –5 0 +5 mV
Hold Mode Offset Drift 10 µV/°C
Sample Mode Offset 50 200 mV
Nonlinearity ±0.005 % FS
Gain Error ±0.03 ±0.1 % FS
OUTPUT CHARACTERISTICS
Output Drive Current –5 +5 mA
Output Resistance, DC 0.3 0.6 Ω
Total Output Noise (DC to 5 MHz) 150 µV rms
Sampled DC Uncertainty 85 µV rms
Hold Mode Noise (DC to 5 MHz) 125 µV rms
Short Circuit Current
Source 20 mA
Sink 13 mA
INPUT CHARACTERISTICS
Input Voltage Range –2.5 +2.5 V
Bias Current 100 250 nA
Input Impedance 10 MΩ
Input Capacitance 2 pF
DIGITAL CHARACTERISTICS
Input Voltage Low 0.8 V
Input Voltage High 2.0 V
Input Current High (V
IN
= 5 V) 2 10 µA
POWER SUPPLY CHARACTERISTICS
Operating Voltage Range ±4.75 ±5 ±5.25 V
Supply Current 9.5 17 mA
+PSRR (+5 V ± 5%) 45 65 dB
–PSRR (–5 V ± 5%) 45 65 dB
Power Consumption 95 175 mW
TEMPERATURE RANGE
Specified Performance (J) 0 +70 °C
Specified Performance (A) –40 +85 °C
NOTES
1
Specified and tested over an input range of ±2.5 V.
Specifications subject to change without notice.
(T
MIN
to T
MAX
with V
CC
= +5 V 6 5%, V
EE
= –5 V 6 5%, C
L
= pF, unless otherwise noted)