AD7492 Analog Devices, AD7492 Datasheet - Page 4

• Manufacturer Part Number: AD7492
• Description: 1MSPS, 4mW Internal Ref & Clk, 12-Bit Parallel ADC
• Manufacturer: Analog Devices

Specifications of AD7492

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 1MSPS
• Interface: Par
• Analog Input Type: SE-Uni
• Ain Range: Uni 2.5V
• Adc Architecture: SAR
• Pkg Type: SOIC,SOP

AD7492
Parameter
CONVERSION RATE
POWER REQUIREMENTS
1
2
3
4
AD7492/AD7492-4
V
Table 2.
Parameter
DYNAMIC PERFORMANCE
Temperature ranges as follows: A and B Versions: −40°C to +85°C.
V
Sample tested @ 25°C to ensure compliance.
See the Power vs. Throughput section.
DD
INH
Conversion Time
Track/Hold Acquisition Time
Throughput Rate
V
I
Power Dissipation
Signal-to-Noise and Distortion (SINAD)
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious-Free
Dynamic Noise (SFDR)
Intermodulation Distortion (IMD)
Aperture Delay
Aperture Jitter
Full Power Bandwidth
DD
Normal Mode
Quiescent Current
Partial Sleep Mode
Full Sleep Mode
Normal Mode
Partial Sleep Mode
Full Sleep Mode
DD
and V
= 2.7 V to 5.25 V, T
Second Order Terms
Third Order Terms
INL
trigger levels are set by the V
4
A
= T
MIN
to T
DRIVE
MAX
voltage. The logic interface circuitry is powered by V
, unless otherwise noted.
A Version
69
68
70
68
−85
−87
−75
−86
−90
−76
−77
−90
−69
−88
5
15
10
A Version
680
120
1.25
4.75/5.25
3.3
1.8
250
1
16.5
1.25
5
2
1
Rev. A | Page 4 of 24
1
B Version
680
120
1.25
4.75/5.25
3.3
1.8
250
1
16.5
1.25
5
B Version
69
68
70
68
−85
−87
−75
−86
−90
−76
−77
−90
−69
−88
5
15
10
1
2
DRIVE
.
Unit
ns max
ns min
MSPS max
V min/max
mA max
mA max
μA max
μA max
mW max
mW max
μW max
Unit
dB typ
dB min
dB typ
dB min
dB typ
dB typ
dB max
dB typ
dB typ
dB max
dB typ
dB typ
dB typ
dB typ
ns typ
ps typ
MHz typ
Test Conditions/Comments
Conversion time + acquisition
time
Digital I/Ps = 0 V or DV
f
Digital I/Ps = 0 V or DV
Test Conditions/Comments
f
f
f
f
f
f
f
f
f
f
f
f
f
f
Static, typ 190 μA
Static, typ 200 nA
f
f
S
S
S
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 1.25 MSPS, typ 2.75 mA
= 1 MSPS for AD7492
= 400 kSPS for AD7492-4
= 500 kHz sine wave
= 100 kHz sine wave
= 500 kHz sine wave
= 100 kHz sine wave
= 500 kHz sine wave
= 100 kHz sine wave
= 100 kHz sine wave
= 500 kHz sine wave
= 100 kHz sine wave
= 100 kHz sine wave
= 500 kHz sine wave
= 100 kHz sine wave
= 500 kHz sine wave
= 100 kHz sine wave
DD
DD
3
3
3
3
3
3