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參數(shù)資料
| 型號： | 522925X |
| 英文描述： | IC |
| 中文描述： | 集成電路 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 418K |
| 代理商： | 522925X |
3
LTC1286/LTC1298
SYMBOL
S/(N +D)
THD
SFDR
PARAMETER
Signal-to-Noise Plus Distortion Ratio
Total Harmonic Distortion (Up to 5th Harmonic)
Spurious-Free Dynamic Range
Peak Harmonic or Spurious Noise
CONDITIONS
1kHz/7kHz Input Signal
1kHz/7kHz Input Signal
1kHz/7kHz Input Signal
1kHz/7kHz Input Signal
MIN
TYP
71/68
–84/–80
90/86
–90/–86
MAX
UNITS
dB
dB
dB
dB
f
SMPL
= 12.5kHz (LTC1286), f
SMPL
= 11.1kHz (LTC1298) (Note 5)
CO
N
VERTER A
N
D
ULTIPLEXER CHARACTERISTICS
W
(Note 5)
DY
N
A
IC ACCURACY
W
SYMBOL
V
IH
V
IL
I
IH
I
IL
V
OH
PARAMETER
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
High Level Output Voltage
CONDITIONS
V
CC
= 5.25V
V
CC
= 4.75V
V
IN
= V
CC
V
IN
= 0V
V
CC
= 4.75V, I
O
= 10
μ
A
V
CC
= 4.75V, I
O
= 360
μ
A
V
CC
= 4.75V, I
O
= 1.6mA
CS = High
V
OUT
= 0V
V
OUT
= V
CC
CS = V
CC
CS = GND
CS = V
CC
t
CYC
≥
640
μ
s, f
CLK
≤
25kHz
t
CYC
= 80
μ
s, f
CLK
= 200kHz
CS = V
CC
LTC1286, t
CYC
≥
640
μ
s, f
CLK
≤
25kHz
LTC1286, t
CYC
= 80
μ
s, f
CLK
= 200kHz
LTC1298, t
CYC
≥
720
μ
s, f
CLK
≤
25kHz
LTC1298, t
CYC
= 90
μ
s, f
CLK
= 200kHz
MIN
2
TYP
MAX
UNITS
G
V
V
G
0.8
2.5
–2.5
G
μ
A
μ
A
V
V
V
μ
A
mA
mA
M
k
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
G
G
G
4.0
2.4
4.64
4.62
V
OL
I
OZ
I
SOURCE
I
SINK
R
REF
Low Level Output Voltage
Hi-Z Output Leakage
Output Source Current
Output Sink Current
Reference Input Resistance
(LTC1286)
Reference Current (LTC1286)
G
0.4
±
3
G
–25
45
5000
55
0.001
90
90
0.001
200
250
290
340
I
REF
G
G
G
2.5
140
140
±
3.0
400
500
490
640
I
CC
Supply Current
G
G
G
G
G
(Note 5)
1.5V to V
CC
+ 0.05V
1.5V to 5.55V
±
1
–0.05V to V
CC
+ 0.05V
LTC1286
TYP
LTC1298
TYP
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Analog Input Range
REF Input Range (LTC1286)
(Notes 7, 8, and 9)
Analog Input Leakage Current (Note 10)
CONDITIONS
MIN
12
MAX
MIN
12
MAX
UNITS
Bits
LSB
LSB
LSB
LSB
G
(Note 6)
G
±
3/4
±
1/4
3/4
±
2
±
2
±
3/4
±
3
±
8
±
3/4
±
1/4
3/4
±
2
±
2
±
3/4
±
3
±
8
G
G
G
(Note 7 and 8)
4.5
≤
V
CC
≤
5.5V
5.5V < V
CC
≤
9V
G
V
V
V
G
±
1
μ
A
DIGITAL A
N
D DC ELECTRICAL CHARACTERISTICS
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