參數(shù)資料
型號(hào): MAX1193ETI+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 13/26頁(yè)
文件大?。?/td> 0K
描述: IC ADC 8BIT 45MSPS DL 28-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 8
采樣率(每秒): 45M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
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: 28-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個(gè)單端,雙極;2 個(gè)差分,雙極
MAX1193
Figure 10 shows the MAX6061 precision bandgap ref-
erence used as a common reference for multiple con-
verters. The 1.248V output of the MAX6061 is divided
down to 1.023V as it passes through a one-pole, 10Hz,
lowpass filter to the MAX4250. The MAX4250 buffers
the 1.023V reference before its output is applied to the
MAX1193. The MAX4250 provides a low offset voltage
(for high gain accuracy) and a low noise level.
Unbuffered External Reference Drives
Multiple ADCs
The unbuffered external reference mode allows for pre-
cise control over the MAX1193 reference and allows
multiple converters to use a common reference.
Connecting REFIN to GND disables the internal refer-
ence, allowing REFP, REFN, and COM to be driven
directly by a set of external reference sources.
Ultra-Low-Power, 45Msps, Dual 8-Bit ADC
20
______________________________________________________________________________________
MAX4250
3V
2
4
2
1.248V
3
5
10Hz
LOWPASS
FILTER
1
15
1
REFIN
VDD
MAX1193
N = 1
24
GND
1.023V
NOTE: ONE FRONT-END REFERENCE
CIRCUIT PROVIDES
±15mA OF OUTPUT
DRIVE AND SUPPORTS OVER 1000
MAX1193s.
3
0.1
F
0.1
F
3V
1
F
1%
20k
1%
90.9k
0.1
F
2.2
F
0.1
F
REFP
27
0.33
F
REFN
26
0.33
F
COM
25
0.33
F
REFIN
VDD
MAX1193
N = 1000
24
GND
0.1
F
REFP
27
0.33
F
REFN
26
0.33
F
COM
25
0.33
F
MAX6061
Figure 10. External Buffered (MAX4250) Reference Drive Using a MAX6062 Bandgap Reference
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