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AD7933_15 Datasheet, PDF (3/32 Pages) Analog Devices – 4-Channel, 1.5 MSPS, 10-Bit and 12-Bit Parallel ADCs with a Sequencer
AD7933/AD7934
SPECIFICATIONS
AD7933 SPECIFICATIONS
VDD = VDRIVE = 2.7 V to 5.25 V, internal/external VREF = 2.5 V, unless otherwise noted. fCLKIN = 25.5 MHz, fSAMPLE = 1.5 MSPS; TA = TMIN to
TMAX1, unless otherwise noted.
Table 2.
Parameter
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)2
Total Harmonic Distortion (THD)2
Peak Harmonic or Spurious Noise (SFDR)2
Intermodulation Distortion (IMD)2
Second-Order Terms
Third-Order Terms
Channel-to-Channel Isolation
Aperture Delay2
Aperture Jitter2
Full Power Bandwidth2
DC ACCURACY
Resolution
Integral Nonlinearity2
Differential Nonlinearity2
Single-Ended and Pseudo Differential
Input
Offset Error2
Offset Error Match2
Gain Error2
Gain Error Match2
Fully Differential Input
Positive Gain Error2
Positive Gain Error Match2
Zero-Code Error2
Zero-Code Error Match2
Negative Gain Error2
Negative Gain Error Match2
ANALOG INPUT
Single-Ended Input Range
Pseudo Differential Input Range
VIN+
VIN−
Fully Differential Input Range3
VIN+ and VIN−
VIN+ and VIN−
DC Leakage Current4
Input Capacitance
Value1
61
60
−70
−72
−86
−90
−75
5
72
50
10
10
±0.5
±0.5
±2
±0.5
±1.5
±0.5
±1.5
±0.5
±2
±0.5
±1.5
±0.5
0 to VREF
0 to 2 × VREF
0 to VREF
0 to 2 × VREF
−0.3 to +0.7
−0.3 to +1.8
VCM ± VREF/2
VCM ± VREF
±1
45
10
Unit
dB min
dB min
dB max
dB max
dB typ
dB typ
dB typ
ns typ
ps typ
MHz typ
MHz typ
Bits
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
V
V
V
V
V typ
V typ
V
V
μA max
pF typ
pF typ
Test Conditions/Comments
fIN = 50 kHz sine wave
Differential mode
Single-ended mode
fa = 30 kHz, fb = 50 kHz
fIN= 50 kHz, fNOISE = 300 kHz
@ 3 dB
@ 0.1 dB
Guaranteed no missed codes to 10 bits
Straight binary output coding
Twos complement output coding
RANGE bit = 0
RANGE bit = 1
RANGE bit = 0
RANGE bit = 1
VDD = 3 V
VDD = 5 V
VCM = VREF/2, RANGE bit = 0
VCM = VREF, RANGE bit = 1
When in track
When in hold
Rev. B | Page 3 of 32