AD7452 Analog Devices, AD7452 Datasheet - Page 3

• Manufacturer Part Number: AD7452
• Description: Differential Input, 555 kSPS, 12-Bit A/D Converter in 8-Lead SOT-23
• Manufacturer: Analog Devices

Specifications of AD7452

• 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

AD7452–SPECIFICATIONS
V
V
Table 1.
Parameter
DYNAMIC PERFORMANCE
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT
LOGIC INPUTS
LOGIC OUTPUTS
DD
CM
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)
Zero-Code Error
Positive Gain Error
Negative 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
1
= 2.7 V to 3.6 V, f
Second-Order Terms
Third-Order Terms
V
V
= V
IN+
IN–
Input Voltage
Input Capacitance
REF
; T = T
A
3
3
IN
3
MIN
3
SCLK
3
to T
IN
INL
INH
3, 4
8
OL
= 10 MHz, f
OH
MAX
3
, unless otherwise noted.
3
3
3
3
8
S
= 555 kSPS, V
3
Test Conditions/Comments
f
V
V
V
V
fa = 90 kHz, fb = 110 kHz
@ –3 dB
@ –0.1 dB
Guaranteed no missed codes to 12 bits
2 × V
V
V
When in track/hold
V
specified performance)
V
specified performance)
When in track/hold
Typically 10 nA, V
V
V
I
SINK
IN
DD
DD
DD
DD
CM
CM
DD
DD
DD
DD
= 100 kHz
REF
= 4.75 V to 5.25 V, –86 dB typ
= 2.7 V to 3.6 V, –84 dB typ
= 4.75 V to 5.25 V, –86 dB typ
= 2.7 V to 3.6 V, –84 dB typ
= 4.75 V to 5.25 V (±1% tolerance for
= 2.7 V to 3.6 V (±1% tolerance for
= 4.75 V to 5.25 V, I
= 2.7 V to 3.6 V, I
= V
= V
= 200 µA
REF
= 2.0 V; V
REF
REF
5
Rev. B | Page 3 of 28
DD
IN
= 4.75 V to 5.25 V, f
= 0 V or V
SOURCE
SOURCE
= 200 µA
= 200 µA
DD
SCLK
= 10 MHz, f
70
–76
–74
–76
–74
5
50
20
2.5
±1
± 0.95
±6
±2
±2
V
V
V
±1
30/10
2.5
2.0
±1
10/30
2.4
0.8
±1
10
2.8
2.4
0.4
±1
10
Twos Complement
B Version
–89
–89
12
IN+
CM
CM
6
7
1
1
– V
± V
± V
S
= 555 kSPS, V
IN–
REF
REF
2
/2
/2
REF
= 2.5 V;
Unit
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
LSB max
V
V
V
µA max
pF typ
V
V
µA max
pF typ
V min
V max
µA max
pF max
V min
V min
V max
µA max
pF max
AD7452