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參數(shù)資料
| 型號： | LTC2256CUJ-12#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
| 封裝： | 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40 |
| 文件頁數(shù)： | 6/32頁 |
| 文件大?。?/td> | 1156K |
| 代理商： | LTC2256CUJ-12#TRPBF |
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LTC2258-12
LTC2257-12/LTC2256-12
14
225812fa
PIN FUNCTIONS
PINS THAT ARE THE SAME FOR ALL DIGITAL OUTPUT
MODES
AIN+ (Pin 1): Positive Differential Analog Input.
AIN– (Pin 2): Negative Differential Analog Input.
GND (Pin 3): ADC Power Ground.
REFH (Pins 4, 5): ADC High Reference. Bypass to Pins
6, 7 with a 2.2μF ceramic capacitor and to ground with a
0.1μF ceramic capacitor.
REFL (Pins 6, 7): ADC Low Reference. Bypass to Pins
4, 5 with a 2.2μF ceramic capacitor and to ground with a
0.1μF ceramic capacitor.
PAR/SER (Pin 8): Programming Mode Selection Pin. Con-
nect to ground to enable the serial programming mode.
CS, SCK, SDI, SDO become a serial interface that control
the A/D operating modes. Connect to VDD to enable the
parallel programming mode where CS, SCK, SDI become
parallel logic inputs that control a reduced set of the A/D
operating modes. PAR/SER should be connected directly
to ground or the VDD of the part and not be driven by a
logic signal.
VDD (Pins 9, 10, 40): 1.8V Analog Power Supply. Bypass
to ground with 0.1μF ceramic capacitors. Pins 9 and 10
can share a bypass capacitor.
ENC+ (Pin 11): Encode Input. Conversion starts on the
rising edge.
ENC– (Pin 12): Encode Complement Input. Conversion
starts on the falling edge.
CS (Pin 13): In serial programming mode, (PAR/SER =
0V), CS is the serial interface chip select input. When
CS is low, SCK is enabled for shifting data on SDI into
the mode control registers. In the parallel programming
mode (PAR/SER = VDD), CS controls the clock duty cycle
stabilizer. When CS is low, the clock duty cycle stabilizer is
turned off. When CS is high, the clock duty cycle stabilizer
is turned on. CS can be driven with 1.8V to 3.3V logic.
SCK (Pin 14): In serial programming mode, (PAR/SER =
0V), SCK is the serial interface clock input. In the parallel
programming mode (PAR/SER = VDD), SCK controls the
digital output mode. When SCK is low, the full-rate CMOS
output mode is enabled. When SCK is high, the double
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2256-12: IVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB
LTC2256-12: IOVDD vs Sample Rate,
5MHz Sine Wave Input, –1dB, 5pF
on Each Data Output
LTC2256-12: SNR vs SENSE,
fIN = 5MHz, –1dB
SAMPLE RATE (Msps)
0
25
10
15
20
5
0
45
30
35
40
IO
VDD
(mA)
10
20
225812 G54
1.75mA LVDS
1.8V CMOS
1.2V CMOS
3.5mA LVDS
SAMPLE RATE (Msps)
0
24
16
20
I VDD
(mA)
10
20
226112 G53
LVDS OUTPUTS
CMOS OUTPUTS
SENSE PIN (V)
0.6
71
68
69
70
67
66
72
SNR
(dBFS)
0.7
0.8
0.9
1.1
1.2
1.3
1.0
225812 G55
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC2256IUJ-12#PBF | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
| LTC2258CUJ-12#TRPBF | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
| LTC2257IUJ-12#PBF | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
| LTC2258IUJ-12#TRPBF | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
| LTC2256IUJ-12#TRPBF | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2256CUJ-14#PBF | 功能描述:IC ADC 14BIT 25MSPS 1.8V 40-QFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| LTC2256CUJ-14#TRPBF | 功能描述:IC ADC 14BIT 25MSPS 1.8V 40-QFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 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:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
| LTC2256CUJ-14-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs |
| LTC2256CUJ-14-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:14-Bit, 65/40/25Msps Ultralow Power 1.8V ADCs |
| LTC2256IUJ-12#PBF | 功能描述:IC ADC 12BIT 25MSPS 1.8V 40-QFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 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:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端，單極；1 個單端，雙極 |
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