AD7357_08 AD [Analog Devices], AD7357_08 Datasheet - Page 3

• Manufacturer Part Number: AD7357_08
• Description: Differential Input, Dual, Simultaneous Sampling, 4.2 MSPS, 14-Bit, SAR ADC
• Manufacturer: AD [Analog Devices]

Preliminary Technical Data
SPECIFICATIONS
V
otherwise noted.
Table 2.
Parameter
DYNAMIC PERFORMANCE
SAMPLE AND HOLD
DC ACCURACY
ANALOG INPUT
REFERENCE INPUT/OUTPUT
DD
Signal-to-Noise Ratio (SNR)
Signal-to-Noise and Distortion (SINAD)
Total Harmonic Distortion (THD)
Spurious Free Dynamic Range (SFDR)
Intermodulation Distortion (IMD)
ADC-to-ADC Isolation
CMRR
Aperture Delay
Aperture Delay Match
Aperture Jitter
Full Power Bandwidth
Resolution
Integral Nonlinearity
Differential Nonlinearity
Fully Differential Input Range (V
Common-Mode Voltage Range
DC Leakage Current
Input Capacitance
V
V
V
V
V
V
V
V
V
Positive Full-Scale Error
Positive Full-Scale Error Match
Midscale Error
Midscale Error Match
Negative Full-Scale Error
Negative Full-Scale Error Match
REF
REF
REF
REF
REF
REF
REF
REF
REF
= 2.5 ± 10% V, V
Second-Order Terms
Third-Order Terms
Temperature Coefficient
Input Voltage Range
Input Current
Output Voltage
Long Term Stability
Thermal Hysteresis
Input Capacitance
Noise
Output Impedance
DRIVE
2
= 2.25 V to 3.6 V, internal reference = 2.048 V, f
IN+
and V
IN−
)
Min
78
77
14
0.5
2.048 + 0.1
2.038
2.043
Rev. PrF | Page 3 of 20
Typ
−84
−76
−100
−100
16
110
77
±1
±1
±1
±0.5
32
8
0.3
6
100
50
60
1
TBD
Max
TBD
TBD
3.5
40
±2
±0.99
±10
±6
±10
±6
±10
±6
V
1.9
±5
V
0.45
2.058
2.053
20
CM
DD
SCLK
± V
= 80 MHz, f
REF
/2
Unit
dB
dB
dB
dB
dB
dB
dB
dB
ns
ps
ps
MHz
MHz
Bits
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
V
V
µA
pF
pF
V
mA
V
V
ppm/°C
ppm
ppm
µV rms
Ω
pF
SAMPLE
= 4.2 MSPS; T
Test Conditions/Comments
f
fa = 1 MHz + 50 kHz, fb = 1 MHz – 50 kHz
f
f
@ 3 dB
@ 0.1 dB
Guaranteed no missed codes to 14 bits
V
V
The voltage around which V
are centered
When in track mode
When in hold mode
When in reference overdrive mode
±2.048 V ± 0.5% max @ V
2.048 V ± 0.25% max @ V
25°C
For 1000 hours
When in track
IN
IN
NOISE
CM
IN−
= 1 MHz sine wave
= 1 MHz, f
= common-mode voltage, V
must remain within GND and V
= 100 kHz to 2.5 MHz
NOISE
A
= T
= 100 kHz to 2.5 MHz
MIN
to T
DD
DD
= 2.5 V ± 5% and
MAX
= 2.5 V ± 5%
IN+
AD7357
1
, unless
and V
IN+
DD
and
IN−