AD7356
Rev. A | Page 3 of 20
SPECIFICATIONS
VDD = 2.5 V ± 10%, VDRIVE = 2.25 V to 3.6 V, internal reference = 2.048 V, fSCLK = 80 MHz, fSAMPLE = 5 MSPS, TA = TMIN to TMAX1, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
fIN = 1 MHz sine wave
70
71.5
dB
Signal-to-(Noise and Distortion) (SINA
D)269.5
71
dB
Total Harmonic Distortion
(THD)284
77.5
dB
Spurious Free Dynamic Range
(SFDR)285
78.5
dB
Intermodulation Distortion (IM
D)2fa = 1 MHz + 50 kHz, fb = 1 MHz 50 KHz
Second-Order Terms
84
dB
Third-Order Terms
76
dB
100
dB
fIN = 1 MHz, fNOISE = 100 kHz to 2.5 MHz
100
dB
fNOISE = 100 kHz to 2.5 MHz
SAMPLE AND HOLD
Aperture Delay
3.5
ns
Aperture Delay Match
40
ps
Aperture Jitter
16
ps
Full Power Bandwidth
@ 3 dB
110
MHz
@ 0.1 dB
77
MHz
DC ACCURACY
Resolution
12
Bits
±0.5
±1
LSB
Differential Nonlinearity (D
NL)2±0.5
±0.99
LSB
Guaranteed no missed codes to 12 bits
±1
±6
LSB
Positive Full-Scale Error
Match2±2
±8
LSB
+5
0/+11
LSB
±2
±8
LSB
±1
±6
LSB
Negative Full-Scale Error
Match2±2
±8
LSB
ANALOG INPUT
Fully Differential Input Range (VIN+ and VIN)
VCM ± VREF/2
V
VCM = common-mode voltage, VIN+ and
VIN must remain within GND and VDD
Common-Mode Voltage Range
0.5
1.9
V
The voltage around which VIN+ and VIN are
centered
DC Leakage Current
±0.5
±5
μA
Input Capacitance
32
pF
When in track mode
8
pF
When in hold mode
REFERENCE INPUT/OUTPUT
VREF Input Voltage Range
2.048 + 0.1
VDD
V
VREF Input Current
0.3
0.45
mA
When in reference overdrive mode
VREF Output Voltage
2.038
2.058
V
2.048 V ± 0.5% max @ VDD = 2.5 V ± 5%
2.043
2.053
V
2.048 V ± 0.25% max @ VDD = 2.5 V ± 5% and 25°C
VREF Temperature Coefficient
6
20
ppm/°C
VREF Long Term Stability
100
ppm
For 1000 hours
50
ppm
VREF Noise
60
μV rms
VREF Output Impedance
1
Ω