參數(shù)資料
型號(hào)： LTC1402
廠商： Linear Technology Corporation
英文描述： Serial 12-Bit, 2.2Msps Sampling ADC with Shutdown(串行12位，2.2Msps 采樣模數(shù)轉(zhuǎn)換器(帶關(guān)斷))
中文描述： 串行12位，2.2Msps采樣ADC（串行12位，2.2Msps采樣模數(shù)轉(zhuǎn)換器（帶關(guān)斷）與關(guān)斷）
文件頁數(shù)： 5/24頁
文件大小： 280K
代理商： LTC1402
5
LTC1402
Note 12:
The absolute voltage at A
IN+
and A
IN–
must be within this range.
Note 13:
If less than 7.3ns is allowed, the output data will appear one
clock cycle later. It is best for CONV to rise half a clock before SCK, when
running the clock at rated speed.
Note 14:
Not the same as aperture delay. Aperture delay is smaller (2.6ns)
because the 0.8ns delay through the sample-and-hold is subtracted from
the CONV to Hold mode delay.
Note 15:
The rising edge of SCK is guaranteed to catch the data coming
out into a storage latch.
ELECTRICAL CHARACTERISTICS
Note 16:
The time period for acquiring the input signal is started by the
14th rising clock and it is ended by the rising edge of convert.
Note 17:
The internal reference settles in 2ms after it wakes up from Sleep
mode with one or more cycles at SCK and a 10
μ
F capacitive load. The
Sleep mode resets the REFREADY bit in the D
OUT
sequence. The
REFREADY bit goes high again 10ms after the V
REF
has stopped slewing in
wake up. This ensures valid REFREADY bit operation even with higher load
capacitances at V
REF
.
Note 18:
The full power bandwidth is the frequency where the output code
swing drops to 2828LSBs with a 4V
P-P
input sine wave.
TYPICAL PERFOR U
Unipolar Mode Plots Run with a Single 5V Supply. V
DD
= 5V, V
SS
= –5V for Bipolar, V
DD
= 5V, V
SS
= 0V for Unipolar), T
A
= 25
°
C.
ENOBs and SINAD
vs Input Frequency (Bipolar)
SNR vs Input Frequency (Bipolar)
ENOBs and SINAD
vs Input Frequency (Unipolar)
SNR vs Input Frequency (Unipolar)
(Bipolar Mode Plots Run with Dual
±
5V Supplies.
INPUT FREQUENCY (Hz)
10
4
10
5
10
6
10
7
4
3
E
S
6
5
8
7
1401 G01
2
1
0
12
11
10
9
26
20
38
32
50
44
14
8
2
74
68
62
56
f
SAMPLE
= 2.22MHz
INPUT FREQUENCY (Hz)
10
4
10
5
10
6
10
7
–80
–90
T
–60
–70
–40
–50
1401 G02
–100
–110
–120
0
–20
–30
–10
THD
SFDR
2ND
3RD
f
SAMPLE
= 2.22MHz
INPUT FREQUENCY (Hz)
10
4
10
5
10
6
10
7
–50
–56
S
–38
–44
–26
–32
1401 G03
–62
–68
–74
–2
–8
–14
–20
f
SAMPLE
= 2.22MHz
INPUT FREQUENCY (Hz)
10
4
10
5
10
6
10
7
4
3
E
S
6
5
8
7
1401 G04
2
1
0
12
11
10
9
26
20
38
32
50
44
14
8
2
74
68
62
56
f
SAMPLE
= 2.22MHz
INPUT FREQUENCY (Hz)
10
4
10
5
10
6
10
7
–80
–90
T
–60
–70
–40
–50
1401 G05
–100
–110
–120
0
–20
–30
–10
THD
SFDR
2ND
3RD
f
SAMPLE
= 2.22MHz
INPUT FREQUENCY (Hz)
10
4
10
5
10
6
10
7
–50
–56
S
–38
–44
–26
–32
1401 G06
–62
–68
–74
–2
–8
–14
–20
f
SAMPLE
= 2.22MHz
5 Harmonic THD, 2nd, 3rd and
SFDR vs Input Frequency
(Bipolar)
5 Harmonic THD, 2nd, 3rd and
SFDR vs Input Frequency
(Unipolar)
相關(guān)PDF資料
PDF描述
LTC1404 Complete SO-8, 12-Bit, 600ksps ADC with Shutdown(SO-8封裝，12位,600ksps，模數(shù)轉(zhuǎn)換器（帶關(guān)斷）)
LTC1405 12-Bit, 5Msps, Sampling ADC(12位, 5Msps,采樣模數(shù)轉(zhuǎn)換器)
LTC1406 Low Power, 8-Bit, 20Msps, Sampling A/D Converter(低功耗,12位, 20Msps,采樣模數(shù)轉(zhuǎn)換器)
LTC1409 12-Bit, 800ksps Sampling A/D Converter with Shutdown(12位, 800ksps,采樣模數(shù)轉(zhuǎn)換器(帶關(guān)斷))
LTC1412 12-Bit, 3Msps, Sampling A/D Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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