参数资料
| 型号： | LTC2229IUH#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 20/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12-BIT 80MSPS 3V 32-QFN |
| 标准包装： | 73 |
| 位数： | 12 |
| 采样率（每秒）： | 80M |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 246mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 管件 |
| 输入数目和类型： | 1 个单端，双极; 1 个差分，双极 |
LTC2229
5
2229fa
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 0000 0000 0000 and 1111 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 (Note 7)
●
5
6.25
500
ns
tH
CLK High Time
Duty Cycle Stabilizer Off
●
5.9
6.25
500
ns
Duty Cycle Stabilizer On (Note 7)
●
5
6.25
500
ns
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
INL
ERROR
(LSB)
0.2
0.4
0.6
4096
2229 G01
0
–0.2
–1.0
1024
2048
3072
–0.6
–0.4
–0.8
1.0
0.8
CODE
0
DNL
ERROR
(LSB)
0.2
0.4
0.6
4096
2229 G02
0
–0.2
–1.0
1024
2048
3072
–0.6
–0.4
–0.8
1.0
0.8
FREQUENCY (MHz)
0
AMPLITUDE
(dB)
–60
–40
–20
0
35
2229 G03
–80
–100
–70
–50
–30
–10
–90
–110
–120
5
15
25
10
20
30
40
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