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參數(shù)資料
| 型號： | LTC2262IUJ-12#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 4/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT 150MSPS 40-QFN |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 150M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 146mW |
| 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： | 40-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 40-QFN（6x6） |
| 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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LTC2262-12
12
226212fc
For more information www.linear.com/LTC2262-12
PIN FUNCTIONS
part enters sleep mode. SDI can be driven with 1.8V to
3.3V logic.
SDO (Pin 16): In serial programming mode, (PAR/SER
= 0V), SDO is the optional serial interface data output.
Data on SDO is read back from the mode control registers
and can be latched on the falling edge of SCK. SDO is an
open-drain NMOS output that requires an external 2k
pull-up resistor to 1.8V-3.3V. If read back from the mode
control registers is not needed, the pull-up resistor is not
necessaryandSDOcanbeleftunconnected.Intheparallel
programming mode (PAR/SER = VDD), SDO is not used
and should not be connected.
OGND (Pin 25): Output Driver Ground.
OVDD (Pin 26): Output Driver Supply. Bypass to ground
with a 0.1F ceramic capacitor.
VCM (Pin 37): Common Mode Bias Output, Nominally
Equal to VDD/2. VCM should be used to bias the common
mode of the analog inputs. Bypass to ground with a 0.1F
ceramic capacitor.
VREF(Pin38):ReferenceVoltageOutput.Bypasstoground
with a 1F ceramic capacitor, nominally 1.25V.
SENSE(Pin39):ReferenceProgrammingPin.Connecting
SENSEtoVDDselectstheinternalreferenceanda±1Vinput
range. Connecting SENSE to ground selects the internal
reference and a ±0.5V input range. An external reference
between 0.625V and 1.3V applied to SENSE selects an
input range of ±0.8 VSENSE.
FULL-RATE CMOS OUTPUT MODE
All Pins Below Have CMOS Output Levels (OGND to
OVDD)
D0 to D11 (Pins 19-24, 29-34): Digital Outputs. D11 is
the MSB.
CLKOUT– (Pin 27): Inverted version of CLKOUT+.
CLKOUT+ (Pin 28): Data Output Clock. The digital outputs
normally transition at the same time as the falling edge
of CLKOUT+. The phase of CLKOUT+ can also be delayed
relative to the digital outputs by programming the mode
control registers.
DNC (Pins 17, 18, 35): Do not connect these pins.
OF (Pin 36): Over/Under Flow Digital Output. OF is high
when an overflow or underflow has occurred.
DOUBLE DATA RATE CMOS OUTPUT MODE
All Pins Below Have CMOS Output Levels (OGND to
OVDD)
D0_1toD10_11(Pins20,22,24,30,32,34):DoubleData
Rate Digital Outputs. Two data bits are multiplexed onto
each output pin. The even data bits (D0, D2, D4, D6, D8,
D10) appear when CLKOUT+ is low. The odd data bits (D1,
D3, D5, D7, D9, D11) appear when CLKOUT+ is high.
CLKOUT– (Pin 27): Inverted version of CLKOUT+.
CLKOUT+ (Pin 28): Data Output Clock. The digital outputs
normally transition at the same time as the falling and ris-
ing edges of CLKOUT+. The phase of CLKOUT+ can also
be delayed relative to the digital outputs by programming
the mode control registers.
DNC (Pins 17, 18, 19, 21, 23, 29, 31, 33, 35): Do not
connect these pins.
OF (Pin 36): Over/Under Flow Digital Output. OF is high
when an overflow or underflow has occurred.
DOUBLE DATA RATE LVDS OUTPUT MODE
All Pins Below Have LVDS Output Levels. The Output
Current Level is Programmable. There is an Optional
Internal 100 Termination Resistor Between the Pins
of Each LVDS Output Pair.
D0_1–/D0_1+ to D10_11–/D10_11+ (Pins 19/20, 21/22,
23/24, 29/30, 31/32, 33/34): Double Data Rate Digital
Outputs.Twodatabitsaremultiplexedontoeachdifferential
output pair. The even data bits (D0, D2, D4, D6, D8, D10)
appear when CLKOUT+ is low. The odd data bits (D1, D3,
D5, D7, D9, D11) appear when CLKOUT+ is high.
CLKOUT–/CLKOUT+ (Pins 27/28): Data Output Clock.
The digital outputs normally transition at the same time
as the falling and rising edges of CLKOUT+. The phase of
CLKOUT+ can also be delayed relative to the digital outputs
by programming the mode control registers.
OF–/OF+(Pins35/36):Over/UnderFlowDigitalOutput.OF+
is high when an overflow or underflow has occurred.
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