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參數(shù)資料
| 型號(hào)： | LTC2305IDE#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 23/26頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12-BIT 2CHN 12-DFN |
| 標(biāo)準(zhǔn)包裝： | 91 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 14k |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 17.5mW |
| 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： | 12-WFDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 12-DFN（4x3） |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 2 個(gè)單端，單極；2 個(gè)單端，雙極；1 個(gè)差分，單極；1 個(gè)差分，雙極 |
| 配用： | DC1444A-B-ND - BOARD SAR ADC LTC2305 |
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LTC2301/LTC2305
6
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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.
Note 3: When these pin voltages are taken below ground or above VDD,
they will be clamped by internal diodes. These products can handle input
currents greater than 100mA below ground or above VDD without latchup.
Note 4: VDD = 5V, fSMPL = 14kHz, internal reference unless otherwise
noted.
Note 5: Integral nonlinearity is dened 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: Bipolar zero error is the offset voltage measured from –0.5 LSB
when the output code ickers between 0000 0000 0000 and 1111 1111
1111. Unipolar zero error is the offset voltage measured from 0.5 LSB
when the output code ickers between 0000 0000 0000 and 0000 0000
0001.
Note 7: Full-scale bipolar error is the worst-case of –FS or FS untrimmed
deviation from ideal rst and last code transitions and includes the effect
of offset error. Unipolar full-scale error is the deviation of the last code
transition from ideal and includes the effect of offset error.
Note 8: Guaranteed by design, not subject to test.
Note 9: All specications in dB are referred to a full-scale ±2.048V input
with a 2.5V reference voltage.
Note 10: Full linear bandwidth is dened as the full-scale input frequency
at which the SINAD degrades to 60dB or 10 bits of accuracy.
Note 11: CB = capacitance of one bus line in pF (10pF ≤ CB ≤ 400pF)
Note 12: REFCOMP wakeup time is the time required for the REFCOMP pin
to settle within 0.5 LSB at 12-bit resolution of its nal value after waking
up from sleep mode.
Note 13: High temperatures degrade operating lifetimes. Operating lifetime
is derated at temperatures greater than 105°C.
ELECTRICAL CHARACTERISTICS
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