參數(shù)資料
型號: 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): 3/24頁
文件大小: 280K
代理商: LTC1402
3
LTC1402
The
G
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25
°
C. Bipolar mode with
±
5V supplies and unipolar mode with 5V supply. (Note 5)
SYMBOL
S/(N + D)
PARAMETER
Signal-to-Noise Plus
Distortion Ratio
Total Harmonic
Distortion
CONDITIONS
100kHz Input Signal
1.1MHz Input Signal
100kHz First 5 Harmonics, Bipolar Mode
1.1MHz First 5 Harmonics, Bipolar Mode
100kHz First 5 Harmonics, Unipolar Mode
1.1MHz First 5 Harmonics, Unipolar Mode
100kHz Input Signal, Bipolar Mode
1.1MHz Input Signal, Bipolar Mode
100kHz Input Signal, Unipolar Mode
1.1MHz Input Signal, Unipolar Mode
±
1V 1.25MHz into A
IN+
, 1.2MHz into A
IN–
Bipolar Mode
1.5V to 3.5V 1.25MHz into A
IN+
, 1.2MHz into A
IN–
Unipolar Mode
V
REF
= 4.096V, 1LSB = 1mV
MIN
TYP
72.5
72.0
–89
–89
–87
–82
–93
–93
–93
–84
–84
–84
0.18
MAX
UNITS
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
G
69
THD
G
–74.5
SFDR
Spurious Free
Dynamic Range
IMD
Intermodulation
Distortion
Code-to-Code
Transition Noise
Full Power Bandwidth
Full Linear Bandwidth
LSB
RMS
V
IN
= 4V
P-P
, D
OUT
= 2828LSB
P-P
(Note 18)
S/(N + D)
68dB Bipolar Mode
Unipolar Mode
82
5.0
3.5
MHz
MHz
MHz
DY
N
A
IC ACCURACY
U
W
The
G
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 5)
I
N
TER
N
AL REFERE
N
CE CHARACTERISTICS
U
U
U
PARAMETER
V
REF
Output Voltage
V
REF
Output Tempco
V
REF
Line Regulation
V
REF
Output Resistance
V
REF
Settling Time
CONDITIONS
I
OUT
= 0
MIN
TYP
4.096
15
1
2
2
MAX
UNITS
V
ppm/
°
C
LSB/V
AV
DD
= 4.75V to 5.25V, V
REF
= 4.096V
Load Current = 0.5mA
ms
The
G
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 5)
SYMBOL
V
IH
V
IL
I
IN
C
IN
V
OH
PARAMETER
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
High Level Output Voltage
CONDITIONS
V
DD
= 5.25V
V
DD
= 4.75V
V
IN
= 0V to V
DD
MIN
2.4
TYP
MAX
UNITS
G
V
V
G
0.8
±
10
G
μ
A
pF
V
V
V
V
V
μ
A
pF
mA
mA
mA
5
OV
DD
= 4.75V, I
OUT
= –10
μ
A
OV
DD
= 4.75V, I
OUT
= –200
μ
A
OV
DD
= 3V, I
OUT
= –200
μ
A
V
DD
= 4.75V, I
OUT
= 160
μ
A
V
DD
= 4.75V, I
OUT
= 1.6mA
V
OUT
= 0V to V
DD
4.7
G
G
4
2.5
2.9
0.05
0.10
V
OL
Low Level Output Voltage
G
0.4
±
10
I
OZ
C
OZ
I
SOURCE
Hi-Z Output Leakage D
OUT
Hi-Z Output Capacitance D
OUT
Output Short-Circuit Source Current
G
15
–40
–15
40
V
OUT
= 0V, OV
DD
= 5V
V
OUT
= 0V, OV
DD
= 3V
V
OUT
= OV
DD
= 5V
I
SINK
Output Short-Circuit Sink Current
DIGITAL I PUTS A D DIGITAL OUTPUTS
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