參數(shù)資料
型號(hào): ADS7864Y/250G4
廠商: Texas Instruments
文件頁(yè)數(shù): 4/27頁(yè)
文件大?。?/td> 0K
描述: IC 12BIT 500KHZ 6CH ADC 48-TQFP
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 250
位數(shù): 12
采樣率(每秒): 500k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 50mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 12 個(gè)單端,雙極;6 個(gè)差分,雙極
配用: 296-30697-ND - EVAL MODULE FOR ADS7864M
www.ti.com
CM +V
REF
+V
REF
V
REF
SingleEnded Inputs
t
+IN
CM Voltage
CM
V
REF
CM +1/2V
REF
Differential Inputs
NOTES: CommonMode Voltage (Differential Mode) =
, CommonMode Voltage (SingleEnded Mode) = IN
.
(IN+)
(IN)
2
The maximum differential voltage between +IN and
IN of the ADS7864 is V
REF. See Figures 21 and 22 for a further
explanation of the common voltage range for singleended and differential inputs.
t
+IN
IN
CM Voltage
CM
1/2V
REF
IN = CM Voltage
+V
REF
V
REF
1.0
1.5
1.2
2.0
2.5
2.6
3.0
V
REF (V)
C
o
m
o
n
V
o
lt
a
g
e
R
a
n
g
e
(V
)
1
0
1
2
3
4
5
2.7
2.3
4.1
0.9
V
CC = 5V
SingleEnded Input
Differential Input
1.0
1.5
1.2
2.0
2.5
2.6
3.0
V
REF (V)
C
o
m
o
n
V
o
lt
a
g
e
R
a
n
g
e
(V
)
1
0
1
2
3
4
5
4.7
0.3
V
CC = 5V
4.05
0.90
ADS7864
SBAS141A – SEPTEMBER 2000 – REVISED MARCH 2005
Figure 20. Using the ADS7864 in the Single-Ended and Differential Input Modes
Figure 21. Single-Ended Input: Common-Mode Voltage
Figure 22. Differential Input: Common-Mode
Range vs VREF
Voltage Range vs VREF
12
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