Preliminary Technical Data
AD7356
SPECIFICATIONS
AD7356 SPECIFICATIONS
VDD = 2.5 V, VDRIVE = 2.5 V to 3.3 V, internal VREF = 2.048 V, unless otherwise noted, FCLKIN = 80 MHz, FSAMPLE = 5 MSPS; TA = TMIN to
TMAX1, unless otherwise noted.
Table 1.
Parameter
Specification
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio (SNR)
Signal-to-Noise and Distortion (SINAD)
Total Harmonic Distortion (THD)
Spurious Free Dynamic Range (SFDR)
Intermodulation Distortion (IMD)
Second Order Terms
Third Order Terms
Channel-to-Channel Isolation
SAMPLE AND HOLD
fIN = 2.5 MHz sine wave
70
69
−74
TBD
dB min
dB min
dB max
dB max
fa = TBD Hz, fb = TBD Hz
TBD
TBD
−85
dB typ
dB typ
dB typ
fIN = TBD kHz, fNOISE = TBD kHz
Aperture Delay
Aperture Delay Matching
Aperture Jitter
5
200
20
ns max
ps max
ps typ
Full Power Bandwidth
200
30
MHz typ
MHz typ
@ 3 dB
@ 0.1 dB
DC ACCURACY
Resolution
12
1
0.99
3
1
6
3
1
6
Bits
Integral Nonlinearity
Differential Nonlinearity
Offset Error
LSB max
LSB max
LSB max
LSB typ
LSB max
LSB max
LSB typ
LSB max
Guaranteed no missed codes to 12 bits
Offset Error Match
Gain Error
Gain Error Match
ANALOG INPUT
Fully Differential Input Range: Vin+ and Vin−
VCM VREF⁄2
V
VCM = common-mode voltage , Vin+ and Vin− must
remain within GND⁄VDD
DC Leakage Current
Input Capacitance
1
35
10
µA max
pF typ
pF typ
When in track
When in hold
REFERENCE INPUT/OUTPUT
VREF Input Voltage Range
DC Leakage Current
VREF Output Voltage
VREF Temperature Coefficient
VREF Long Term Stability
VREF Output Voltage Hysteresis2
VREF Noise
2.048+100mV / Vdd
1
2.048
10
100
50
TBD
TBD
TBD
V min / V max
µA max
V
ppm⁄ꢁC typ
ppm typ
ppm typ
µV Typ
0.5ꢀ max @ 25ꢁC
For 1000 hours
VREF Output Impedance
VREF Input Capacitance
LOGIC INPUTS
Ω Typ
pF typ
When in track
Input High Voltage, VINH
Input Low Voltage, VINL
Input Current, IIN
0.6 × Vdrive
0.3 × Vdrive
1
10
V min
V max
µA max
pF typ
VIN = 0 V or VDRIVE
Input Capacitance, CIN
Rev. PrC | Page 3 of 18