AD7357
Rev. B | Page 3 of 20
SPECIFICATIONS
VDD = 2.5 ± 10% V, VDRIVE = 2.25 V to 3.6 V, internal reference = 2.048 V, fSCLK = 80 MHz, fSAMPLE = 4.2 MSPS; TA = TMIN to TMAX1, unless otherwise noted.
Table 2.
AD7357B/AD7357Y
AD7357WY
Parameter
Min
Typ
Max
Min
Typ
Max
Unit
Test Conditions/
Comments
DYNAMIC PERFORMANCE
fIN = 500 kHz sine wave
Signal-to-Noise Ratio (SNR)
74.5
76.5
74.5
76.5
dB
74
40°C to +25°C only
Signal-to-Noise and Distortion (SIN
AD)274
76
74
76
dB
73.5
40°C to +25°C only
Total Harmonic Distortion
(THD)283
80
83
80
dB
79
40°C to +25°C only
Spurious Free Dynamic Range (SFDR)
85
82
85
82
dB
81
40°C to +25°C only
Intermodulation Distortion
(IMD)2fa = 1 MHz + 50 kHz,
fb = 1 MHz – 50 kHz
Second-Order Terms
86
dB
Third-Order Terms
79
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
@ 0.1 dB
DC ACCURACY
Resolution
14
Bits
±2
±3
±2
±3
LSB
Differential Nonlinearity
(DNL)2±0.5
±0.99
±0.5
±0.99
LSB
Guaranteed no missed
codes to 14 bits
Positive Full-Scale Err
or2±20
LSB
Positive Full-Scale Error Matc
h2±20
LSB
0/35
0/38
LSB
±12
±15
LSB
Negative Full-Scale Er
ror2±20
LSB
Negative Full-Scale Error
Match2±20
LSB
ANALOG INPUT
Fully Differential Input Range
(VIN+ and VIN)
VCM ± VREF/2
VCM ±
VREF/2
V
VCM = common-mode
voltage; VIN+ and VIN must
remain within GND and VDD
Common-Mode Voltage Range
0.5
1.6
0.5
1.6
V
The voltage around which
VIN+ and VIN are centered
DC Leakage Current
±0.5
±5
±0.5
±5
μA
Input Capacitance
32
pF
When in track mode
8
pF
When in hold mode