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參數(shù)資料
| 型號： | LTC2150CUP-14#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
| 封裝： | 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40 |
| 文件頁數(shù)： | 7/32頁 |
| 文件大?。?/td> | 4005K |
| 代理商： | LTC2150CUP-14#PBF |
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15
21521014p
LTC2152-14/
LTC2151-14/LTC2150-14
PIN FUNCTIONS
VDD (Pins 1, 2): 1.8V Analog Power Supply. Bypass to
ground with 0.1F ceramic capacitor. Pins 1, 2 can share
a bypass capacitor.
GND (Pins 3, 6, 10, 13, 35, Exposed Pad Pin 41): ADC
Power Ground. The exposed pad must be soldered to the
PCB ground.
AIN+ (Pin 4): Positive Differential Analog Input.
AIN– (Pin 5): Negative Differential Analog Input.
SENSE (Pin 7): Reference Programming Pin. Connecting
SENSE to VDD selects the internal reference and a ±0.75V
input range. An external reference between 1.2V and 1.3V
applied to SENSE selects an input range of ±0.6 × VSENSE.
VREF (Pin 8): Reference Voltage Output. Bypass to ground
with a 2.2F ceramic capacitor. Nominally 1.25V.
VCM (Pin 9): Common Mode Bias Output; nominally equal
to 0.8V. VCM should be used to bias the common mode of
the analog inputs. Bypass to ground with a 0.1F ceramic
capacitor.
ENC+ (Pin 11): Encode Input. Conversion starts on the
rising edge.
ENC– (Pin 12): Encode Complement Input. Conversion
starts on the falling edge.
OVDD (Pins 20, 30): 1.8V Output Driver Supply. Bypass
to ground with a 0.1F ceramic capacitor.
OGND (Pin 21): LVDS Driver Ground.
SDO (Pin 36): 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 N-channel MOSFET output that requires an external
2k pull-up resistor from 1.8V to 3.3V. If readback from the
mode control registers is not needed, the pull-up resistor
is not necessary and SDO can be left unconnected.
SDI (Pin 37): In serial programming mode, (PAR/SER
= 0V), SDI is the serial interface data input. Data on SDI
is clocked into the mode control registers on the rising
edge of SCK. In parallel programming mode (PAR/SER =
VDD), SDI selects 3.5mA or 1.75mA LVDS output current
(see Table 2).
SCK (Pin 38): In serial programming mode, (PAR/SER
= 0V), SCK is the serial interface clock input. In parallel
programming mode (PAR/SER = VDD), SCK controls the
sleep mode (see Table 2).
CS (Pin 39): 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 parallel programming mode (PAR/
SER = VDD), CS controls the clock duty cycle stabilizer
(see Table 2).
PAR/SER (Pin 40): Programming Mode Selection Pin.
Connect to ground to enable the serial programming
mode. CS, SCK, SDI and SDO become a serial interface
that control the A/D operating modes. Connect to VDD to
enabletheparallelprogrammingmodewhereCS,SCKand
SDI become parallel logic inputs that control a reduced
set of the A/D operating modes. PAR/SER should be con-
nected directly to ground or the VDD of the part and not
be driven by a logic signal.
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| LTC2151CUP-14#TRPBF | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2150IUJ-12#PBF | 制造商:Linear Technology 功能描述:ADC Single Pipelined 170Msps 12-bit Parallel/Serial (SPI)/LVDS 40-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 12BIT 170MSPS 40QFN |
| LTC2150IUJ-12#TRPBF | 制造商:Linear Technology 功能描述:Single ADC Pipelined 170Msps 12-bit Parallel/Serial (SPI)/LVDS 40-Pin QFN EP T/R 制造商:Linear Technology 功能描述:IC ADC 12BIT 170MSPS 40QFN |
| LTC2150IUJ-14#PBF | 制造商:Linear Technology 功能描述:ADC Single Pipelined 170Msps 14-bit Parallel/Serial (SPI)/LVDS 40-Pin QFN EP 制造商:Linear Technology 功能描述:IC ADC 14BIT SPI 170MSPS 40QFN |
| LTC2150IUJ-14#TRPBF | 制造商:Linear Technology 功能描述:Single ADC Pipelined 170Msps 14-bit Parallel/Serial (SPI)/LVDS 40-Pin QFN EP T/R 制造商:Linear Technology 功能描述:IC ADC 14BIT SPI 170MSPS 40QFN |
| LTC2150IUP-14PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:14-Bit 250Msps/ 210Msps/170Msps ADCs |
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