參數(shù)資料
型號(hào): MAX11131ATI+
廠商: Maxim Integrated Products
文件頁數(shù): 21/37頁
文件大小: 0K
描述: IC ADC 12BIT SRL 28-TQFN-EP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 25
位數(shù): 12
采樣率(每秒): 3M
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 2.76W
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: 28-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-TQFN-EP(5x5)
包裝: 管件
28
Maxim Integrated
MAX11129–MAX11132
3Msps, Low-Power, Serial 12-/10-Bit,
8-/16-Channel ADCs
Table 8. Analog Input Configuration and Unipolar/Bipolar Waveforms
Table 9. ADC Output as a Function of Unipolar/Bipolar Register Settings
CHANNEL SELECTION
UNIPOLAR REGISTER
BIPOLAR REGISTER
FUNCTION
BIT NAME
UCH0/1
PDIFF_COM
BCH0/1
AIN0 Selection:
CHSEL[3:0] = 0000
CHSCAN0 = 1
0
AIN0 (binary, unipolar)
0
1
AIN0/1 pair (two’s complement, bipolar)
1
0
AIN0/1 pair (binary, unipolar)
1
0
1
AIN0/1 pair (binary, unipolar); Unipolar register
takes precedence
X
1
X
AIN0 referred to REF-/AIN15 (binary, unipolar)
AIN1 Selection:
CHSEL[3:0] = 0001
CHSCAN1 = 1
0
AIN1 (binary, unipolar)
0
1
AIN0/1 pair (two’s complement, bipolar)
1
0
AIN0/1 pair (binary, unipolar)
1
0
1
AIN0/1 pair (binary, unipolar), Unipolar register
takes precedence
X
1
X
AIN1 referred to REF-/AIN15 (binary, unipolar)
ANALOG INPUT
CONFIGURATION
SUPPORTED WAVEFORMS
UNIPOLAR/BIPOLAR
REGISTER SETTING
REFSEL = 0
REFSEL = 1
Single-
Ended
Unipolar
(Binary
Coding)
Table 10. Unipolar Register:
Set desired channel(s) to 0
or PDIFF_COM to 1.
Counterpart Register
Table 11. Bipolar Register:
Set desired channel(s) to 0.
Fully
Differential
Unipolar
(Binary
Coding)
Table 10. Unipolar Register:
Set desired channel(s) to 1.
Counterpart Register
Table 11. Bipolar Register:
Set desired channel(s) to 0.
Fully
Differential
Bipolar
(2’s
Complement)
Table 11. Bipolar Register:
Set desired channel(s) to 1.
Counterpart Register
Table 10. Unipolar Register:
Set desired channel(s) to 0.
REF+
2
REF-
VIN+
VIN-
GND
REF+
RANGE: 1V - VDD
REF+
RANGE: 1V - VDD
1V
0V
-0.3V
REF+
VIN+
V FS
=
REF+
RANGE
=
0
V FS
=
2REF+
RANGE
=
1
V FS
=
REF+
RANGE
=
0
V FS
=
2REF+
RANGE
=
1
REF+
REF-
VIN+
GND, AIN15
PDIFF_COM = 1
REF+
RANGE: 1V - VDD
REF+
RANGE: 1V - VDD
1V
0V
-0.3V
REF+
VIN+
REF+
REF-
VIN+
VIN-
GND
REF+
RANGE: 1V - VDD
REF+
RANGE: 1V - VDD
1V
0V
-0.3V
REF+
VIN+
VIN-
(DC OFFSET
OR
SINUSOID)
VIN-
(DC OFFSET
OR
SINUSOID)
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