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参数资料
| 型号： | DC178A |
| 厂商： | Linear Technology |
| 文件页数： | 22/28页 |
| 文件大小： | 0K |
| 描述： | BOARD SAR ADC LTC1418 |
| 设计资源： | DC178A Design File DC178A Schematic |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 14 |
| 采样率（每秒）： | 200k |
| 数据接口： | 串行，并联 |
| 输入范围： | ±2.048 V |
| 已用 IC / 零件： | LTC1418 |
| 已供物品： | 板 |
| 相关产品： | LTC1418IG#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418AIG#TRPBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418CG#TRPBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418ACG#TRPBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418IG#TRPBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418CN#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28-DIP LTC1418IN#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28-DIP LTC1418CG#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418ACG#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP LTC1418AIG#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP 更多... |
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3
LTC1418
(Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D) Signal-to-Noise Plus Distortion Ratio
97.5kHz Input Signal
q
79
81.5
dB
THD
Total Harmonic Distortion
100kHz Input Signal, First 5 Harmonics
q
– 94
– 86
dB
SFDR
Spurious Free Dynamic Range
100kHz Input Signal
q
86
95
dB
IMD
Intermodulation Distortion
fIN1 = 97.7kHz, fIN2 = 104.2kHz
– 90
dB
Full Power Bandwidth
5
MHz
Full Linear Bandwidth
S/(N + D)
≥ 77dB
0.5
MHz
ACCURACY
IC
DY
U
W
A
(Note 5)
I TER AL REFERE CE CHARACTERISTICS
U
UU
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.480
2.500
2.520
V
VREF Output Tempco
IOUT = 0, Commercial
q
±10
±45
ppm/
°C
IOUT = 0, Industrial
±20
ppm/
°C
VREF Line Regulation
4.75V
≤ VDD ≤ 5.25V
0.05
LSB/ V
– 5.25V
≤ VSS ≤ –4.75V
0.05
LSB/ V
VREF Output Resistance
0.1mA
≤ IOUT ≤ 0.1mA
8
k
(Note 5)
DIGITAL I PUTS AND OUTPUTS
U
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
q
2.4
V
VIL
Low Level Input Voltage
VDD = 4.75V
q
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
q
±10
A
CIN
Digital Input Capacitance
1.4
pF
VOH
High Level Output Voltage
VDD = 4.75V, IO = – 10A
4.74
V
VDD = 4.75V, IO = – 200A
q
4.0
V
VOL
Low Level Output Voltage
VDD = 4.75V, IO = 160A
0.05
V
VDD = 4.75V, IO = 1.6mA
q
0.10
0.4
V
IOZ
Hi-Z Output Leakage D13 to D0
VOUT = 0V to VDD, CS High
q
±10
A
COZ
Hi-Z Output Capacitance D13 to D0
CS High (Note 9)
q
15
pF
ISOURCE
Output Source Current
VOUT = 0V
– 10
mA
ISINK
Output Sink Current
VOUT = VDD
10
mA
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD
Positive Supply Voltage (Notes 10, 11)
4.75
5.25
V
VSS
Negative Supply Voltage (Note 10)
Bipolar Only (VSS = 0V for Unipolar)
– 4.75
– 5.25
V
IDD
Positive Supply Current
Unipolar, RD High (Note 5)
q
3.0
4.3
mA
Bipolar, RD High (Note 5)
q
3.9
4.5
mA
Nap Mode
SHDN = 0V, CS = 0V (Note 12)
570
A
Sleep Mode
SHDN = 0V, CS = 5V (Note 12)
2
A
ISS
Negative Supply Current
Bipolar, RD High (Note 5)
q
1.4
1.8
mA
Nap Mode
SHDN = 0V, CS = 0V (Note 12)
0.1
A
Sleep Mode
SHDN = 0V, CS = 5V (Note 12)
0.1
A
PDIS
Power Dissipation
Unipolar
q
15.0
21.5
mW
Bipolar
q
26.5
31.5
mW
(Note 5)
POWER REQUIRE E TS
W
U
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