AD7273 Datasheet, PDF (4/20 Pages) Analog Devices – 3MSPS,10-/12-Bit ADCs in 8-Lead TSOT

PRELIMINARY TECHNICAL DATA
AD7274-SPECIFICATIONS (VDD=+2.35 V to +3.6 V, VREF= +2.5V, fSCLK=52 MHz, fSAMPLE=3MSPS unless otherwise
noted; T_A=T_MIN to T_MAX, unless otherwise noted.)
Parameter
B Grade¹
Units
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)²
Signal-to-Noise Ratio (SNR)
Total Harmonic Distortion (THD)²
Peak Harmonic or Spurious Noise (SFDR)²
Intermodulation Distortion (IMD)²
Second Order Terms
Third Order Term
Aperture Delay
Aperture Jitter
Full Power Bandwidth
Full Power Bandwidth
Power Supply Rejection Ratio (PSRR)
70
71
-80
-82
-84
-84
TBD
TBD
TBD
TBD
TBD
dB min
dB min
dB typ
dB typ
f_IN = 1 MHz Sine Wave
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
dB typ
fa= TBD kHz, fb= TBD kHz
fa= TBD kHz, fb= TBD kHz
@ 3 dB
@ 0.1dB
DC ACCURACY
Resolution
Integral Nonlinearity²
Differential Nonlinearity²
Offset Error²
Gain Error²
Total Unadjusted Error (TUE)²
12
±1
±1
±TBD
±TBD
±TBD
Bits
LSB max
LSB max Guaranteed No Missed Codes to 12 Bits
LSB max
LSB max
LSB max
ANALOG INPUT
Input Voltage Range
DC Leakage Current
Input Capacitance
0 to V_REF
±0.5
TBD
Volts
µA max
pF typ
REFERENCE INPUT
V_REF Input Voltage Range
DC leakage Current
Input Capacitance
Input Impedance
1.2 to V_DD
±TBD
TBD
TBD
Vmin/Vmax
µA max
pF max
kΩ typ
LOGIC INPUTS
Input High Voltage, V_INH
Input Low Voltage, V_INL
Input Current, I_IN,SCLK Pin
Input Current, I_IN, CS Pin
Input Capacitance, C_IN3
LOGIC OUTPUTS
Output High Voltage, V_OH
Output Low Voltage, V_OL
Floating-State Leakage Current
Floating-State Output Capacitance³
Output Coding
0.7(V_DD)
2
0.2(V_DD)
0.8
±0.5
±TBD
10
V min
V min
V max
V max
µA max
µA max
pF max
2.35Vр Vdd р2.7V
2.7V < Vddр 3.6V
2.35VрVdd< 2.7V
2.7V рVddр 3.6V
Typically TBD nA, V_IN= 0 V or V_DD
V_DD - 0.2
0.2
±1
V min
V max
µA max
I_SOURCE= 200 µA;V_DD= 2.35 V to 3.6 V
I_SINK=200 µA
10
pF max
Straight (Natural) Binary
CONVERSION RATE
Conversion Time
Track/Hold Acquisition Time²
Throughput Rate
270
ns max 14 SCLK Cycles with SCLK at 52 MHz
50
ns max
3
MSPS max See Serial Interface Section
NOTES
1_{Temperature range from –40°C to +85°C.}
2_{See Terminology.}
3_{Guranteed by Characterization.}
Specifications subject to change without notice.
–4–
REV. PrB