AD7266 查看數據表（PDF） - Analog Devices
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AD7266 Datasheet PDF : 20 Pages
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Preliminary Technical Data
AD7357
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.
Parameter
Min
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio (SNR)
78
Signal-to-Noise and Distortion (SINAD) 77
Total Harmonic Distortion (THD)
Spurious Free Dynamic Range (SFDR)
Intermodulation Distortion (IMD)
Second-Order Terms
Third-Order Terms
ADC-to-ADC Isolation
CMRR
SAMPLE AND HOLD
Aperture Delay
Aperture Delay Match
Aperture Jitter
Full Power Bandwidth
DC ACCURACY
Resolution
14
Integral Nonlinearity
Differential Nonlinearity
Positive Full-Scale Error
Positive Full-Scale Error Match
Midscale Error
Midscale Error Match
Negative Full-Scale Error
Negative Full-Scale Error Match
ANALOG INPUT
Fully Differential Input Range (VIN+ and VIN−)
Common-Mode Voltage Range
0.5
DC Leakage Current
Input Capacitance
REFERENCE INPUT/OUTPUT
VREF Input Voltage Range
VREF Input Current
VREF Output Voltage
VREF Temperature Coefficient
VREF Long Term Stability
VREF Thermal Hysteresis2
VREF Noise
VREF Output Impedance
VREF Input Capacitance
2.048 + 0.1
2.038
2.043
Typ Max
TBD
TBD
−84
−76
−100
−100
Unit
dB
dB
dB
dB
dB
dB
dB
dB
Test Conditions/Comments
fIN = 1 MHz sine wave
fa = 1 MHz + 50 kHz, fb = 1 MHz – 50 kHz
fIN = 1 MHz, fNOISE = 100 kHz to 2.5 MHz
fNOISE = 100 kHz to 2.5 MHz
3.5
40
16
110
77
ns
ps
ps
MHz
@ 3 dB
MHz
@ 0.1 dB
±2
±0.99
±10
±1 ±6
±10
±1 ±6
±10
±1 ±6
Bits
LSB
LSB
Guaranteed no missed codes to 14 bits
LSB
LSB
LSB
LSB
LSB
LSB
VCM ± VREF/2 V
1.9
V
±0.5 ±5
µA
32
pF
8
pF
VCM = common-mode voltage, VIN+ and
VIN− must remain within GND and VDD
The voltage around which VIN+ and VIN−
are centered
When in track mode
When in hold mode
VDD
0.3 0.45
2.058
2.053
6
20
100
50
60
1
TBD
V
mA
V
V
ppm/°C
ppm
ppm
µV rms
Ω
pF
When in reference overdrive mode
±2.048 V ± 0.5% max @ VDD = 2.5 V ± 5%
2.048 V ± 0.25% max @ VDD = 2.5 V ± 5% and
25°C
For 1000 hours
When in track
Rev. PrF | Page 3 of 20
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