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參數(shù)資料
| 型號(hào)： | ADC12451 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dynamically-Tested Self-Calibrating 12-Bit Plus Sign A/D Converter with Sample-and-Hold(可自行校對(duì)的12位帶采樣和保持功能的A/D轉(zhuǎn)換器) |
| 中文描述： | 動(dòng)態(tài)息審查自校準(zhǔn)12位帶符號(hào)的A / D轉(zhuǎn)換器采樣和保持（可自行校對(duì)的12位帶采樣和保持功能的的A / D轉(zhuǎn)換器） |
| 文件頁數(shù)： | 3/18頁 |
| 文件大小： | 311K |
| 代理商： | ADC12451 |
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
(Note 9) (Note 10, 19)
Limit
Units
(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
(Note 17)
f
IN
e
1 kHz, V
IN
e
g
4.85V
b
88
dB
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
(Note 17)
f
IN
e
1 kHz, V
IN
e
4.85 V
p-p
b
90
dB
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
(Note 17)
V
IN
e
g
4.85V, f
IN1
e
19.375 kHz,
f
IN2
e
20 kHz
b
78
dB(max)
Unipolar Two Tone Intermodulation Distortion
(Note 17)
V
IN
e
4.85 V
p-p
, f
IN1
e
19.375 kHz,
f
IN2
e
20 kHz
b
78
dB(max)
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
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