Converter electrical characteristics – Rainbow Electronics ADC1251 User Manual
Page 3
Converter Electrical Characteristics
(Continued)
The following specifications apply for V
CC
e
DV
CC
e
AV
CC
e a
5 0V V
b
e b
5 0V V
REF
e a
5 0V using S H input for
conversion control and f
CLK
e
3 5 MHz unless otherwise specified Boldface limits apply for T
A
e
T
J
e
T
MIN
to T
MAX
all
other limits T
A
e
T
J
e
25 C (Notes 6 7 and 8)
Symbol
Parameter
Conditions
Typical
Limit
Units
(Note 9) (Note 10 19)
(Limit)
DYNAMIC CHARACTERISTICS
(Continued)
S N
Unipolar Signal to Noise Ratio (Note 17)
f
IN
e
1 kHz V
IN
e
4 85 V
p-p
73
dB
f
IN
e
10 kHz V
IN
e
4 85 V
p-p
73
dB
f
IN
e
20 67 kHz V
IN
e
4 85 V
p-p
73
68 7
dB(min)
THD
Bipolar Total Harmonic Distortion (Note 17)
f
IN
e
1 kHz V
IN
e
g
4 85V
b
82
dB
f
IN
e
20 67 kHz V
IN
e
g
4 85V
b
80
b
78 0
dB(max)
THD
Unipolar Total Harmonic Distortion (Note 17)
f
IN
e
1 kHz V
IN
e
4 85 V
p-p
b
82
dB
f
IN
e
20 67 kHz V
IN
e
4 85 V
p-p
b
80
b
73 1
dB(max)
Bipolar Peak Harmonic or Spurious Noise
f
IN
e
1 kHz V
IN
e
g
4 85V
b
88
dB
(Note 17)
f
IN
e
10 kHz V
IN
e
g
4 85V
b
84
dB
f
IN
e
20 kHz V
IN
e
g
4 85V
b
80
dB
Unipolar Peak Harmonic or Spurious Noise
f
IN
e
1 kHz V
IN
e
4 85 V
p-p
b
90
dB
(Note 17)
f
IN
e
10 kHz V
IN
e
4 85 V
p-p
b
86
dB
f
IN
e
20 kHz V
IN
e
4 85 V
p-p
b
82
dB
Bipolar Two Tone Intermodulation Distortion
V
IN
e
g
4 85V f
IN1
e
19 375 kHz
b
78
dB(max)
(Note 17)
f
IN2
e
20 kHz
Unipolar Two Tone Intermodulation Distortion
V
IN
e
4 85 V
p-p
f
IN1
e
19 375 kHz
b
78
dB(max)
(Note 17)
f
IN2
e
20 kHz
b
3 dB Bipolar Full Power Bandwidth
V
IN
e
g
4 85V (Note 17)
25
20 67
kHz(min)
b
3 dB Unipolar Full Power Bandwidth
V
IN
e
4 85 V
p-p
(Note 17)
32
20 67
kHz(min)
Aperture Time
100
ns
Aperture Jitter
100
ps
rms
3