參數(shù)資料
型號: LTC1420
廠商: Linear Technology Corporation
英文描述: 12-Bit, 10Msps, Sampling ADC(12位, 10Msps,采樣模數(shù)轉(zhuǎn)換器)
中文描述: 12位,10Msps的器件,采樣ADC(12位,10Msps的器件,采樣模數(shù)轉(zhuǎn)換器)
文件頁數(shù): 3/20頁
文件大?。?/td> 272K
代理商: LTC1420
3
LTC1420
PARAMETER
V
CM
Output Voltage
V
CM
Output Tempco
V
CM
Line Regulation
CONDITIONS
I
OUT
= 0
I
OUT
= 0
4.75V
V
DD
5.25V
–5.25V
V
SS
–4.75V
0.1mA
I
OUT
0.1mA
SENSE = GND, I
OUT
= 0
SENSE = V
REF
, I
OUT
= 0
SENSE = V
DD
MIN
2.475
TYP
2.50
±
15
0.6
0.03
8
4.096
2.048
MAX
2.525
UNITS
V
ppm/
°
C
mV/V
mV/V
V
CM
Output Resistance
V
REF
Output Voltage
V
V
V
Drive V
REF
with
External Reference
±
15
V
REF
Output Tempco
DIGITAL IU
U
ppm/
°
C
SYMBOL
S/(N + D)
PARAMETER
Signal-to-Noise Plus Distortion Ratio
CONDITIONS
1MHz Input Signal
5MHz Input Signal
1MHz Input Signal, First 5 Harmonics
5MHz Input Signal, First 5 Harmonics
1MHz Input Signal
5MHz Input Signal
f
IN1
= 29.37kHz, f
IN2
= 32.446kHz
MIN
68.5
68
TYP
71.4
71.0
–84
–81
–85
–83
–80
100
0.22
0.33
15
15
MAX
UNITS
G
G
dB
dB
dB
dB
dB
dB
dB
THD
Total Harmonic Distortion
G
G
–77
–73
–78.5
–75
SFDR
Peak Harmonic or Spurious Noise
G
G
IMD
Intermodulation Distortion
Full-Power Bandwidth
Input Referred Noise
MHz
±
2.048V Input Range
±
1.024V Input Range, 2x Mode (SENSE = GAIN = 0V)
1.5x FS Input to 0 (Settling to 1LSB)
Settling to 1LSB
LSB
RMS
LSB
RMS
Overvoltage Recovery Time
Full-Scale Step Acquisition Time
ns
ns
SYMBOL
V
IH
PARAMETER
High Level Input Voltage
CONDITIONS
V
DD
= 5.25V, V
SS
= 0V
V
DD
= 5.25V, V
SS
= –5V
V
DD
= 4.75V, V
SS
= 0V
V
DD
= 4.75V, V
SS
= –5V
V
IN
= 0V to V
DD
MIN
2.4
3.5
TYP
MAX
UNITS
G
G
V
V
V
V
V
IL
Low Level Input Voltage
G
G
0.8
1
±
10
I
IN
C
IN
V
OH
Digital Input Current
Digital Input Capacitance
High Level Output Voltage
G
μ
A
pF
V
V
V
V
V
V
V
V
mA
mA
1.8
4.74
4.71
2.6
0V
DD
= 4.75V, I
O
= –10
μ
A
0V
DD
= 4.75V, I
O
= –200
μ
A
0V
DD
= 2.7V, I
O
= –10
μ
A
0V
DD
= 2.7V, I
O
= –200
μ
A
0V
DD
= 4.75V, I
O
= 160
μ
A
0V
DD
= 4.75V, I
O
= 1.6mA
0V
DD
= 2.7V, I
O
= 160
μ
A
0V
DD
= 2.7V, I
O
= 1.6mA
V
OUT
= 0V
V
OUT
= V
DD
G
4.0
G
2.3
V
OL
Low Level Output Voltage
0.05
0.10
0.05
0.10
50
35
G
0.4
G
0.4
I
SOURCE
I
SINK
Output Source Current
Output Sink Current
The
G
denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25
°
C. Specifications are guaranteed for both dual supply and single
supply operation. (Note 5)
T
A
= 25
°
C. Specifications are guaranteed for both dual supply and single supply operation. (Note 5)
The
G
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25
°
C. V
DD
= 5V, V
SS
= –5V, f
SAMPLE
= 10MHz, V
REF
= 4.096V. +A
IN
= –0.1dBFS single ended input,
–A
IN
= 0V. (Note 6)
DY
A
IC ACCURACY
U
W
I
N
TER
N
AL REFERE
N
CE CHARACTERISTICS
U
U
U
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