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參數(shù)資料
| 型號： | LTC2205CUK-14#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 4/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 14-BIT 65MSPS 48-QFN |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 位數(shù)： | 14 |
| 采樣率（每秒）： | 65M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 776mW |
| 電壓電源： | 單電源 |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 48-QFN-EP（7x7） |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個差分 |
| 配用： | DC890B-ND - BOARD USB DATA COLLECTION |
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LTC2205-14
12
220514fb
SENSE (Pin 1): Reference Mode Select and External
Reference Input. Tie SENSE to VDD to select the internal
2.5V bandgap reference. An external reference of 2.5V or
1.25V may be used; both reference values will set a full
scale ADC range of 2.25V (PGA = 0).
VCM (Pin 2): 1.25VOutput.Optimumvoltageforinputcom-
mon mode. Must be bypassed to ground with a minimum
of 2.2μF. Ceramic chip capacitors are recommended.
VDD (Pins 3, 4, 12, 13, 14): 3.3V Analog Supply Pin.
Bypass to GND with 0.1μF ceramic chip capacitors.
GND (Pins 5, 8, 11, 15, 48): ADC Power Ground.
AIN+ (Pin 6): Positive Differential Analog Input.
AIN– (Pin 7): Negative Differential Analog Input.
ENC+ (Pin 9):
Positive Differential Encode Input. The
sampled analog input is held on the rising edge of ENC+.
Internally biased to 1.6V through a 6.2kΩ resistor. Output
data can be latched on the rising edge of ENC+.
ENC– (Pin 10):
Negative Differential Encode Input. The
sampled analog input is held on the falling edge of ENC–.
Internally biased to 1.6V through a 6.2kΩ resistor. By-
pass to ground with a 0.1μF capacitor for a single-ended
Encode signal.
SHDN (Pin 16): Power Shutdown Pin. SHDN = low results
in normal operation. SHDN = high results in powered down
analog circuitry and the digital outputs placed in a high
impedance state.
DITH (Pin 17): Internal Dither Enable Pin. DITH = low
disables internal dither. DITH = high enables internal
dither. Refer to Internal Dither section of this data sheet
for details on dither operation.
NC (Pins 18, 19): No Connect.
D0-D13 (Pins 20-22, 26-28, 32-35 and 39-42): Digital
Outputs. D13 is the MSB.
OGND (Pins 23, 31 and 38): Output Driver Ground.
OVDD (Pins 24, 25, 36, 37): Positive Supply for the
Output Drivers. Bypass to ground with 0.1μF ceramic
chip capacitors.
CLKOUT– (Pin 29):
Data Valid Output. CLKOUT– will toggle
at the sample rate. Latch the data on the falling edge of
CLKOUT–.
CLKOUT+ (Pin 30):
Inverted Data Valid Output. CLKOUT+
will toggle at the sample rate. Latch the data on the rising
edge of CLKOUT+.
OF (Pin 43): Over/Under Flow Digital Output. OF is high
when an over or under ow has occurred.
OE (Pin 44): Output Enable Pin. Low enables the digital
output drivers. High puts digital outputs in Hi-Z state.
MODE (Pin 45): Output Format and Clock Duty Cycle
Stabilizer Selection Pin. Connecting MODE to 0V selects
offset binary output format and disables the clock duty cycle
stabilizer. Connecting MODE to 1/3VDDselectsoffsetbinary
output format and enables the clock duty cycle stabilizer.
Connecting MODE to 2/3VDD selects 2’s complement
output format and enables the clock duty cycle stabilizer.
Connecting MODE to VDD selects 2’s complement output
format and disables the clock duty cycle stabilizer.
RAND (Pin 46): Digital Output Randomization Selection
Pin. RAND low results in normal operation. RAND high
selects D1-D13 to be EXCLUSIVE-ORed with D0 (the
LSB). The output can be decoded by again applying an
XOR operation between the LSB and all other bits. This
mode of operation reduces the effects of digital output
interferance.
PGA (Pin 47): Programmable Gain Amplier Control
Pin. Low selects a front-end gain of 1, input range of
2.25VP-P. High selects a front-end gain of 1.5, input
range of 1.5VP-P.
GND (Exposed Pad, Pin 49): ADC Power Ground. The
exposed pad on the bottom of the package must be
soldered to ground.
PIN FUNCTIONS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2205CUK-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Bit, 65Msps/40Msps |
| LTC2205CUK-TR | 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Bit, 65Msps/40Msps |
| LTC2205CUK-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:16-Bit, 65Msps/40Msps |
| LTC2205IUK | 制造商:Linear Technology 功能描述:Single ADC Pipelined 65Msps 16-bit Parallel 48-Pin QFN EP |
| LTC2205IUK#PBF | 制造商:Linear Technology 功能描述:Single ADC Pipelined 65Msps 16-bit Parallel 48-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 16-BIT 65MSPS 48-QFN 制造商:Linear Technology 功能描述:MS-ADC/High Speed, 16-bit, 65Msps ADC 制造商:Linear Technology 功能描述:IC, ADC, 16BIT, 65MSPS, QFN-48, Resolution (Bits):16bit, Sampling Rate:65MSPS, Supply Voltage Type:Single, Supply Voltage Min:3.135V, Supply Voltage Max:3.465V, Supply Current:185mA, Digital IC Case Style:QFN, No. of Pins:48 , RoHS Compliant: Yes |
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