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參數(shù)資料
| 型號(hào)： | LTC1199LIS8#TR |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/28頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 10BIT 210KHZ W/SD 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 位數(shù)： | 10 |
| 采樣率（每秒）： | 210k |
| 數(shù)據(jù)接口： | MICROWIRE?，串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 25mW |
| 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： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個(gè)單端，單極 |
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1
LTC1197/LTC1197L
LTC1199/LTC1199L
10-Bit, 500ksps ADCs in
MSOP with Auto Shutdown
Single 2.7V Supply, 250ksps, 10-Bit Sampling ADC
Supply Current vs Sampling Frequency
SAMPLING FREQUENCY (kHz)
0.01
SUPPLY
CURRENT
(
A)
100
1000
10000
100
1197/99 G03
10
1
0.1
1
10
1000
VCC = 5V
fCLK = 7.2MHz
VCC = 2.7V
fCLK = 3.5MHz
1
2
3
4
8
7
6
5
CS
+IN
–IN
GND
VCC
CLK
DOUT
VREF
LTC1197L
1197/99 TA01
ANALOG INPUT
0V TO 2.7V RANGE
2.7V
1
F
SERIAL DATA LINK TO
ASIC, PLD, MPU, DSP
OR SHIFT REGISTERS
The LTC
1197/LTC1197L/LTC1199/LTC1199L are
10-bit A/D converters with sampling rates up to 500kHz.
They have 2.7V (L) and 5V versions and are offered in
8-pin MSOP and SO packages. Power dissipation is typi-
cally only 2.2mW at 2.7V (25mW at 5V) during full speed
operation. The automatic power down reduces supply
current linearly as sample rate is reduced. These 10-bit,
switched-capacitor, successive approximation ADCs in-
clude a sample-and-hold. The LTC1197/LTC1197L have a
differential analog input with an adjustable reference pin.
The LTC1199/LTC1199L offer a software-selectable
2-channel MUX.
The 3-wire serial I/O, MSOP and SO-8 packages, 2.7V
operation and extremely high sample rate-to-power ratio
make these ADCs ideal choices for compact, low power
high speed systems.
These circuits can be used in ratiometric applications or
with external references. The high impedance analog
inputs and the ability to operate with reduced spans below
1V full scale (LTC1197/LTC1197L) allow direct connec-
tion to signal sources in many applications, eliminating
the need for gain stages.
s
8-Pin MSOP and SO Packages
s
10-Bit Resolution at 500ksps
s
Single Supply: 5V or 3V
s
Low Power at Full Speed:
25mW Typ at 5V
2.2mW Typ at 2.7V
s
Auto Shutdown Reduces Power Linearly
at Lower Sample Rates
s
10-Bit Upgrade to 8-Bit LTC1196/LTC1198
s
SPI and MICROWIRE
TM Compatible Serial I/O
s
Low Cost
, LTC and LT are registered trademarks of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
s
High Speed Data Acquisition
s
Portable or Compact Instrumentation
s
Low Power or Battery-Operated Instrumentation
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
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