AD7453 Analog Devices, AD7453 Datasheet - Page 3

• Manufacturer Part Number: AD7453
• Description: Pseudo Differential, 555 kSPS, 12-Bit A/D Converter in 8-Lead SOT-23
• Manufacturer: Analog Devices

Specifications of AD7453

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 555kSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Uni
• Ain Range: (2Vref) p-p
• Adc Architecture: SAR
• Pkg Type: SOT

SPECIFICATIONS
V
Table 1.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT
LOGIC INPUTS
LOGIC OUTPUTS
DD
Signal to Noise Ratio (SNR)
Signal to (Noise + Distortion) (SINAD)
Total Harmonic Distortion (THD)
Peak Harmonic or Spurious Noise
Intermodulation Distortion (IMD)
Aperture Delay
Aperture Jitter
Full-Power Bandwidth
Resolution
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
Offset Error
Gain Error
Full-Scale Input Span
Absolute Input Voltage
DC Leakage Current
Input Capacitance
V
DC Leakage Current
V
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
REF
REF
= 2.7 V to 5.25 V, f
Second-Order Terms
Third-Order Terms
V
V
IN+
IN–
Input Voltage
Input Capacitance
4
2
2
2
2
IN
SCLK
IN
INL
INH
2, 3
6
OL
OH
= 10 MHz, f
2
2
2
2
2
2
6
S
2
= 555 kSPS, V
Test Conditions/Comments
f
V
V
V
V
V
V
V
fa = 90 kHz; fb = 110 kHz
@ –3 dB
@ –0.1 dB
Guaranteed no missed codes to 12 bits
V
V
V
When in track/hold
± 1% tolerance for specified performance
When in track/hold
Typically 10 nA, V
V
V
I
IN
SINK
DD
DD
DD
DD
DD
DD
DD
IN+
DD
DD
DD
DD
= 100 kHz
= 2.7 V to 5.25 V
= 2.7 V to 3.6 V
= 4.75 V to 5.25 V
= 2.7 V to 3.6 V; –78 dB typ
= 4.75 V to 5.25 V; –80 dB typ
= 2.7 V to 3.6 V; –80 dB typ
= 4.75 V to 5.25 V; –82 dB typ
= 2.7 V to 3.6 V
= 4.75 V to 5.25 V
= 4.75 V to 5.25 V, I
= 2.7 V to 3.6 V, I
= 200 µA
– V
REF
IN–
= 2.5 V, F
Rev. B | Page 3 of 20
IN
= 0 V or V
IN
SOURCE
= 100 kHz, T
SOURCE
= 200 µA
= 200 µA
DD
A
= T
MIN
to T
MAX
A Version
70
69
70
–73
–75
–73
–75
–80
–80
5
50
20
2.5
12
±1.5
±0.95
±3.5
±3
V
V
–0.1 to +0.4
–0.1 to +1.5
±1
30/10
2.5
±1
10/30
2.4
0.8
±1
10
2.8
2.4
0.4
±1
10
REF
REF
Straight (natural) binary
, unless otherwise noted
5
1
B Version
70
69
70
–73
–75
–73
–75
–80
5
50
20
2.5
12
±1
±3.5
±3
V
V
±1
30/10
2.5
±1
10/30
2.4
0.8
±1
10
2.8
2.4
0.4
±1
10
–80
±0.95
–0.1 to +0.4
–0.1 to +1.5
REF
REF
5
1
Unit
dB min
dB min
dB min
dB max
dB max
dB max
dB max
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
V
V
V
V
µA max
pF typ
V
µA max
pF typ
V min
V max
µA max
pF max
V min
V min
V max
µA max
pF max
AD7453