AD7819 Analog Devices, AD7819 Datasheet - Page 2

• Manufacturer Part Number: AD7819
• Description: +2.7 V to +5.5 V, 200 kSPS 8-Bit Sampling ADC
• Manufacturer: Analog Devices

Specifications of AD7819

• Resolution (bits): 8bit
• # Chan: 1
• Sample Rate: 200kSPS
• Interface: Par
• Analog Input Type: SE-Uni
• Ain Range: Uni (Vref)
• Adc Architecture: SAR
• Pkg Type: DIP,SOIC,SOP

AD7819–SPECIFICATIONS
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUTS
LOGIC INPUTS
LOGIC OUTPUTS
CONVERSION RATE
POWER SUPPLY
NOTES
1
2
Specifications subject to change without notice.
See Terminology section.
Sample tested during initial release and after any redesign or process change that may affect this parameter.
Signal to (Noise + Distortion) Ratio
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion
Resolution
Minimum Resolution for Which
Relative Accuracy
Differential Nonlinearity (DNL)
Total Unadjusted Error
Gain Error
Offset Error
Input Voltage Range
Input Leakage Current
Input Capacitance
V
Input Leakage Current
Input Capacitance
V
V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
High Impedance Leakage Current
High Impedance Capacitance
Conversion Time
Track/Hold Acquisition Time
V
I
Power Dissipation
DD
REF
INH,
INL,
DD
2nd Order Terms
3rd Order Terms
No Missing Codes Are Guaranteed
Normal Operation
Power-Down
Normal Operation
Power-Down
Auto Power-Down (Mode 2)
1 kSPS Throughput
10 kSPS Throughput
50 kSPS Throughput
Input Voltage Range
Input Low Voltage
Input High Voltage
1
1
2
IN
1
2
IN
2
2
OL
1
OH
2
1
1
1
1
1
1
Y Version
48
–70
–70
–77
–77
8
8
± 0.5
± 0.5
± 1
± 0.5
± 0.5
0
V
± 1
15
1.2
V
± 1
20
2.0
0.4
± 1
8
2.4
0.4
± 1
15
4.5
100
2.7–5.5
3.5
1
17.5
5
57.75
577.5
2.89
REF
DD
(GND = 0 V, V
to +125 C unless otherwise noted.)
REF
= V
DD
LSB max
LSB max
LSB max
LSB max
V max
Volts
mW max
Unit
dB min
dB typ
dB typ
dB typ
dB typ
Bits
Bits
LSB max
V min
V max
µA max
pF mx
V min
V max
µA max
pF max
V min
µA max
pF max
V min
V max
µA max
pF max
µs max
ns max
mA max
µA max
µW max
µW max
µW max
mW max
= 3 V
10% to 5 V
Test Conditions/Comments
f
fa = 29.1 kHz; fb = 29.8 kHz
(0.8 V max, V
Typically 10 nA, V
I
I
See DC Acquisition Section
For Specified Performance
Digital Inputs = 0 V or V
V
V
V
IN
SOURCE
SINK
DD
DD
DD
= 30 kHz, f
= 5 V
= 5 V
= 3 V
10%. All specifications –40 C
= 200 µA
= 200 µA
DD
SAMPLE
= 5 V)
IN
= 0 V to V
= 136 kHz
DD
DD