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參數資料
| 型號： | LTC2239IUH#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數： | 20/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 10BIT 80MSPS 3V 32-QFN |
| 標準包裝： | 2,500 |
| 位數： | 10 |
| 采樣率（每秒）： | 80M |
| 數據接口： | 并聯(lián) |
| 轉換器數目： | 1 |
| 功率耗散（最大）： | 246mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 32-QFN 裸露焊盤（5x5） |
| 包裝： | 帶卷 (TR) |
| 輸入數目和類型： | 1 個單端，雙極; 1 個差分，雙極 |
5
LTC2239
2239fa
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All voltage values are with respect to ground with GND and OGND
wired together (unless otherwise noted).
Note 3: When these pin voltages are taken below GND or above VDD, they
will be clamped by internal diodes. This product can handle input currents
of greater than 100mA below GND or above VDD without latchup.
Note 4: VDD = 3V, fSAMPLE = 80MHz, input range = 2VP-P with differential
drive, unless otherwise noted.
Note 5: Integral nonlinearity is defined as the deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 6: Offset error is the offset voltage measured from –0.5 LSB when
the output code flickers between 00 0000 0000 and 11 1111 1111.
Note 7: Guaranteed by design, not subject to test.
Note 8: VDD = 3V, fSAMPLE = 80MHz, input range = 1VP-P with
differential drive.
Note 9: Recommended operating conditions.
TI I G CHARACTERISTICS
U
W
The
● denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 4)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fs
Sampling Frequency
(Note 9)
●
1
80
MHz
tL
CLK Low Time
Duty Cycle Stabilizer Off
●
5.9
6.25
500
ns
Duty Cycle Stabilizer On
●
5
6.25
500
ns
(Note 7)
tH
CLK High Time
Duty Cycle Stabilizer Off
●
5.9
6.25
500
ns
Duty Cycle Stabilizer On
●
5
6.25
500
ns
(Note 7)
tAP
Sample-and-Hold Aperture Delay
0ns
tD
CLK to DATA Delay
CL = 5pF (Note 7)
●
1.4
2.7
5.4
ns
Data Access Time After OE
↓
CL = 5pF (Note 7)
●
4.3
10
ns
BUS Relinquish Time
(Note 7)
●
3.3
8.5
ns
Pipeline
5
Cycles
Latency
Typical DNL, 2V Range
Typical INL, 2V Range
8192 Point FFT, fIN = 5MHz,
–1dB, 2V Range
TYPICAL PERFOR A CE CHARACTERISTICS
UW
CODE
0
–1.0
INL
ERROR
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
256
512
2239 G01
–0.6
0.6
0.8
0.2
768
1024
CODE
0
–1.0
DNL
ERROR
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
256
512
2239 G02
–0.6
0.6
0.8
0.2
768
1024
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–60
–40
–20
0
35
2239 G03
–80
–100
–70
–50
–30
–10
–90
–110
–120
5
15
25
10
20
30
40
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