AD7934-6
SPECIFICATIONS
V
DD
= V
DRIVE
= 2.7 V to 5.25 V, internal/external V
REF
= 2.5 V, unless otherwise noted, F
CLKIN
= 10 MHz, F
SAMPLE
= 625 kSPS;
T
A
= T
MIN
to T
MAX1
, unless otherwise noted.
Table 2.
Parameter
DYNAMIC PERFORMANCE
Signal-to-Noise + Distortion (SINAD)
2
Signal-to-Noise Ratio (SNR)
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 Delay
2
Aperture Jitter
2
Full Power Bandwidth
2
DC ACCURACY
Resolution
Integral Nonlinearity
2
Differential Nonlinearity
2
Differential Mode
Single-Ended Mode
Single-Ended and Pseudo Differential Input
Offset Error
2
Offset Error Match
2
Gain Error
2
Gain Error Match
2
Fully Differential Input
Positive Gain Error
2
Positive Gain Error Match
2
Zero-Code Error
2
Zero-Code Error Match
2
Negative Gain Error
2
Negative Gain Error Match
2
ANALOG INPUT
Single-Ended Input Range
Pseudo Differential Input Range: V
IN+
V
IN鈭?/div>
Fully Differential Input Range: V
IN+
and V
IN鈭?/div>
V
IN+
and V
IN鈭?/div>
4
DC Leakage Current
Input Capacitance
B Version
1
70
68
71
69
鈭?3
鈭?0
鈭?3
鈭?6
鈭?0
鈭?5
5
72
50
10
12
鹵1
鹵1.5
鹵0.95
鈭?.95/+1.5
鹵6
鹵1
鹵3
鹵1
鹵3
鹵1
鹵6
鹵1
鹵3
鹵1
0 to V
REF
0 to 2 脳 V
REF
0 to V
REF
0 to 2 脳 V
REF
鈭?.3 to +0.7
鈭?.3 to +1.8
V
CM
鹵 V
REF
/2
V
CM
鹵 V
REF
鹵1
45
10
Unit
dB min
dB min
dB min
dB min
dB max
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
Twos complement output coding
LSB max
LSB max
LSB max
LSB max
LSB max
LSB max
V
V
V
V
V typ
V typ
V
V
碌A(chǔ) max
pF typ
pF typ
Rev. A | Page 3 of 28
Test Conditions/Comments
F
IN
= 50 kHz sine wave
Differential mode
Single-ended mode
Differential mode
Single-ended mode
鈭?5 dB typ, differential mode
鈭?0 dB typ, single-ended mode
鈭?2 dB typ
fa = 30 kHz, fb = 50 kHz
F
IN
= 50 kHz, F
NOISE
= 300 kHz
@ 3 dB
@ 0.1 dB
Differential mode
Single-ended mode
Guaranteed no missed codes to 12 bits
Guaranteed no missed codes to 12 bits
Straight binary output coding
RANGE bit = 0
RANGE bit = 1
RANGE bit = 0
RANGE bit = 1
V
DD
= 3 V
V
DD
= 5 V
V
CM
= V
REF
/2
3
, RANGE bit = 0
V
CM
= V
REF3
, RANGE bit = 1
When in track
When in hold
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