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參數(shù)資料
| 型號： | LTC1857CG |
| 廠商： | Linear Integrated Systems |
| 英文描述： | 8-Channel, 12-/14-/16-Bit, 100ksps SoftSpan A/D Converters with Shutdown |
| 中文描述： | 8通道，12-/14-/16-Bit，100ksps的具有關斷SoftSpan的A / D轉換器 |
| 文件頁數(shù)： | 7/20頁 |
| 文件大小： | 265K |
| 代理商： | LTC1857CG |
7
LTC1857/LTC1858/LTC1859
185789f
TYPICAL PERFOR U
PIU
COM (Pin 1):
Common Input. This is the reference point
for all single-ended inputs. It must be free of noise and is
usually connected to the analog ground plane.
CH0 (Pin 2):
Analog MUX Input.
CH1 (Pin 3):
Analog MUX Input.
CH2 (Pin 4):
Analog MUX Input.
CH3 (Pin 5):
Analog MUX Input.
CH4 (Pin 6):
Analog MUX Input.
CH5 (Pin 7):
Analog MUX Input.
CH6 (Pin 8):
Analog MUX Input.
CH7 (Pin 9):
Analog MUX Input.
MUXOUT
+
(Pin 10):
Positive MUX Output. Output of the
analog multiplexer. Connect to ADC
+
for normal operation.
MUXOUT
–
(Pin 11):
Negative MUX Output. Output of the
analog multiplexer. Connect to ADC
–
for normal operation.
ADC
+
(Pin 12):
Positive Analog Input to the Analog-to-
Digital Converter.
ADC
–
(Pin 13):
Negative Analog Input to the Analog-to-
Digital Converter.
AGND1 (Pin 14):
Analog Ground.
V
REF
(Pin 15):
2.5V Reference Output. Bypass to analog
ground with a 1
μ
F tantalum capacitor.
REFCOMP (Pin 16):
Reference Buffer Output. Bypass to
analog ground with a 10
μ
F tantalum and a 0.1
μ
F ceramic
capacitor. Nominal output voltage is 4.096V.
AGND2 (Pin 17):
Analog Ground.
AGND3 (Pin 18):
Analog Ground. This is the substrate
connection.
AV
DD
(Pin 19):
5V Analog Supply. Bypass to analog ground
with a 0.1
μ
F ceramic and a 10
μ
F tantalum capacitor.
DV
DD
(Pin 20):
5V Digital Supply. Bypass to digital ground
with a 0.1
μ
F ceramic and a 10
μ
F tantalum capacitor.
OV
DD
(Pin 21):
Positive Supply for the Digital Output
Buffers (3V to 5V). Bypass to digital ground with a 0.1
μ
F
ceramic and a 10
μ
F tantalum capacitor.
BUSY (Pin 22):
Output shows converter status. It is low
when a conversion is in progress.
SDO (Pin 23):
Serial Data Output.
LTC1859 Power Supply
Feedthrough vs Ripple Frequency
Supply Current vs Supply Voltage
Supply Current vs Temperature
RIPPLE FREQUENCY (Hz)
–60
P
–40
–20
–10
100
10k
100k
1M
1859 G10
–80
1k
–30
–50
–70
f
SAMPLE
= 100kHz
V
RIPPLE
= 60mV
SUPPLY VOLTAGE (V)
4.5
S
8.0
8.5
5.5
1859 G11
7.5
7.0
4.75
5
5.25
9.0
f
SAMPLE
= 100kHz
TEMPERATURE (
°
C)
–50
7.0
P
7.5
8.0
8.5
9.0
–25
0
25
50
1859 G12
75
100
f
SAMPLE
= 100kHz
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PDF描述 |
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| LTC1857IG | 8-Channel, 12-/14-/16-Bit, 100ksps SoftSpan A/D Converters with Shutdown |
| LTC1858 | 8-Channel, 12-/14-/16-Bit, 100ksps SoftSpan A/D Converters with Shutdown |
| LTC1858CG | 8-Channel, 12-/14-/16-Bit, 100ksps SoftSpan A/D Converters with Shutdown |
| LTC1858IG | 8-Channel, 12-/14-/16-Bit, 100ksps SoftSpan A/D Converters with Shutdown |
| LTC1859 | 8-Channel, 12-/14-/16-Bit, 100ksps SoftSpan A/D Converters with Shutdown |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1857CG#PBF | 功能描述:IC ADC 8CH 12BIT 100KSPS 28-SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:SoftSpan™ 標準包裝: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 供應商設備封裝: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 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| LTC1857CG#PBF | 制造商:Linear Technology 功能描述:ADC, 8CH, 12BIT, 100KSPS, SSOP-28 |
| LTC1857CG#TRPBF | 功能描述:IC A/D CONV 8CH 12BIT 28-SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:SoftSpan™ 標準包裝: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） 供應商設備封裝: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 |
| LTC1857CGPBF | 制造商:Linear Technology 功能描述:ADC,LTC1857 12bit 100kSPS 8 ch SPI SSOP |
| LTC1857IG | 制造商:Linear Technology 功能描述:MS-ADC/General Purpose, 12-bit, 100ksps, 8-ch. SoftSpan ADC |
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