AD7492 Analog Devices, AD7492 Datasheet - Page 3

• 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

SPECIFICATIONS
AD7492-5
V
Table 1.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE OUTPUT
LOGIC INPUTS
LOGIC OUTPUTS
DD
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
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Gain Error
Input Voltage Ranges
DC Leakage Current
Input Capacitance
REF OUT Output Voltage Range
Input High Voltage, V
Input Low Voltage, V
Input Current, I
Input Capacitance, C
Output High Voltage, V
Output Low Voltage, V
Floating-State Leakage Current
Floating-State Output Capacitance
Output Coding
= 4.75 V to 5.25 V, T
Second Order Terms
Third Order Terms
IN
INL
IN
INH
3
OL
2
A
OH
2
= T
MIN
to T
MAX
, unless otherwise noted.
A Version
68
70
68
−83
−87
−75
−83
−90
−76
−82
−90
−71
−88
5
15
10
12
±1.5
+1.5/–0.9
±9
±2.5
0 to 2.5
±1
33
2.5
V
V
±1
10
V
0.4
±10
10
Straight (natural)
binary
69
DRIVE
DRIVE
DRIVE
× 0.7
× 0.3
− 0.2
1
Rev. A | Page 3 of 24
B Version
69
68
70
68
−83
−87
−75
−83
−90
−76
−82
−90
−71
−88
5
15
10
12
±1.25
+1.5/−0.9
±9
±2.5
0 to 2.5
±1
33
2.5
V
V
±1
10
V
0.4
±10
10
Straight (natural)
binary
DRIVE
DRIVE
DRIVE
× 0.7
× 0.3
− 0.2
1
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
Bits
LSB max
LSB max
LSB max
LSB max
V
μA max
pF typ
V
V min
V max
μA max
pF max
V min
V max
μA max
pF max
Test Conditions/Comments
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
Guaranteed no missed codes to
12 bits (A and B versions)
±1.5% for specified performance
V
V
Typically 10 nA, V
I
I
SOURCE
SINK
S
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
S
DD
DD
= 1.25 MSPS
= 1.25 MSPS
= 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
= 5 V ± 5%
= 5 V ± 5%
= 200 μA
= 200 μA
IN
= 0 V or V
AD7492
DD