參數資料
型號: LTC1199
廠商: Linear Technology Corporation
英文描述: 10-Bit, 500ksps ADCs with Auto Shutdown(5V,10位, 500ksps 模數轉換器(帶自動關斷))
中文描述: 10位,500ksps的自動關機(5V的,10位,500ksps模數轉換器(帶自動關斷)模數轉換器)
文件頁數: 26/28頁
文件大?。?/td> 304K
代理商: LTC1199
26
LTC1197/LTC1197L
LTC1199/LTC1199L
Battery Current Monitor
The LTC1197L/LTC1199L are ideal for 3V systems. Fig-
ure 14 shows a 2.7V to 4V battery current monitor that
draws only 45
μ
A at 3V from the battery it monitors,
sampling at a 1Hz rate. To minimize supply current, the
microprocessor uses the LTC1152 SHDN pin to turn on
the op amp prior to making a measurement and then turn
it off after the measurement has been made. The battery
current is sensed with the 0.005
resistor and amplified
U
S
A
O
PPLICATI
TYPICAL
by the LTC1152. The LTC1197L digitizes the amplifier
output and sends it to the microprocessor in serial
format. After each sample the LTC1197L automatically
powers down. The LT1004 provides the full-scale refer-
ence for the ADC. The circuit’s 45
μ
A supply current is
dominated by the reference and the op amp. The circuit
can be located near the battery and data transmitted
serially to the microprocessor.
+
LTC1152
SHDN
240k
56k
TO
μ
P
100
2k
0.005
2A FULL
SCALE
500pF
2.7V
TO 4V
1
μ
F
1
μ
F
0.1
μ
F
LT1004-1.2
1
2
3
4
8
7
6
5
CS
+IN
–IN
GND
V
CC
CLK
D
OUT
V
REF
LTC1197L
L
O
A
D
+
Figure 14. This 0A to 2A Battery Current Monitor Draws Only 45
μ
A from a 3V Battery
相關PDF資料
PDF描述
LTC1199L 10-Bit, 500ksps ADCs with Auto Shutdown(2.7V,10位, 500ksps 模數轉換器(帶自動關斷))
LTC1235 Microprocessor Supervisory Circuit
LTC1235C Microprocessor Supervisory Circuit
LTC1235CN Microprocessor Supervisory Circuit
LTC1235CS Microprocessor Supervisory Circuit
相關代理商/技術參數
參數描述
LTC1199C 制造商:LINER 制造商全稱:Linear Technology 功能描述:10-Bit, 500ksps ADCs in MSOP with Auto Shutdown
LTC1199CMS8 功能描述:IC ADC 10BIT 450KHZ W/SD 8-MSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率(每秒):45k 數據接口:串行 轉換器數目:2 功率耗散(最大):315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端,單極
LTC1199CMS8#PBF 功能描述:IC ADC 10BIT 450KHZ W/SD 8-MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:2,500 系列:- 位數:16 采樣率(每秒):15 數據接口:MICROWIRE?,串行,SPI? 轉換器數目:1 功率耗散(最大):480µW 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:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN(5x7) 包裝:帶卷 (TR) 輸入數目和類型:16 個單端,雙極;8 個差分,雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
LTC1199CMS8#TR 功能描述:IC ADC 10BIT 450KHZ W/SD 8-MSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:2,500 系列:- 位數:16 采樣率(每秒):15 數據接口:MICROWIRE?,串行,SPI? 轉換器數目:1 功率耗散(最大):480µW 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:38-WFQFN 裸露焊盤 供應商設備封裝:38-QFN(5x7) 包裝:帶卷 (TR) 輸入數目和類型:16 個單端,雙極;8 個差分,雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
LTC1199CMS8#TRPBF 功能描述:IC ADC 10BIT 450KHZ W/SD 8-MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數:12 采樣率(每秒):3M 數據接口:- 轉換器數目:- 功率耗散(最大):- 電壓電源:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-23-6 包裝:帶卷 (TR) 輸入數目和類型:-