Low-Power, 1-/2-Channel, I2C, 12-Bit ADCs in Ultra-Tiny 1.9mm " />
參數(shù)資料
型號(hào): MAXADCLITE+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 19/22頁(yè)
文件大小: 0K
描述: KIT EVALUATION FOR MAX11645
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 1
位數(shù): 12
采樣率(每秒): 94.4k
數(shù)據(jù)接口: USB
輸入范圍: ±VREF/2
工作溫度: -40°C ~ 85°C
已用 IC / 零件: MAX11645
已供物品: 板,軟件
MAX11644/MAX11645
Low-Power, 1-/2-Channel, I2C, 12-Bit ADCs
in Ultra-Tiny 1.9mm x 2.2mm Package
6
_______________________________________________________________________________________
Typical Operating Characteristics
(VDD = 3.3V (MAX11645), VDD = 5V (MAX11644), fSCL = 1.7MHz, 50% duty cycle, fSAMPLE = 94.4ksps, single-ended, unipolar,
TA = +25°C, unless otherwise noted.)
-0.5
-0.2
-0.4
-0.3
0.2
0.1
-0.1
0
0.3
0.5
0
4000
DIFFERENTIAL NONLINEARITY
vs. DIGITAL CODE
MAX11644
toc01
DIGITAL OUTPUT CODE
DNL
(LSB)
1000 1500
500
2000 2500 3000 3500
0.4
-1.0
-0.4
-0.6
-0.8
-0.2
0
0.2
0.4
0.6
0.8
1.0
INTEGRAL NONLINEARITY
vs. DIGITAL CODE
M
AX11644
toc02
DIGITAL OUTPUT CODE
INL
(LSB)
0
4000
1000 1500
500
2000 2500 3000 3500
-140
-120
-100
-80
-60
-40
-20
0
10k
20k
30k
40k
50k
FFT PLOT
MAX11644
toc03
FREQUENCY (Hz)
AMPLITUDE
(dBc)
fSAMPLE = 94.4ksps
fIN = 10kHz
300
400
350
500
450
600
550
650
750
700
800
-40
-10
5
-25
20
35
50
65
80
SUPPLY CURRENT
vs. TEMPERATURE
M
AX11644
toc04
TEMPERATURE (
°C)
SUPPLY
CURRENT
A)
SETUP BYTE
EXT REF: 10111011
INT REF: 11011011
INTERNAL REFERENCE MAX11644
INTERNAL REFERENCE MAX11645
EXTERNAL REFERENCE MAX11644
EXTERNAL REFERENCE MAX11645
0
0.2
0.1
0.4
0.3
0.5
0.6
2.75.2
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
AX11644
toc05
SUPPLY VOLTAGE (V)
I DD
A)
3.7
3.24.24.7
SDA = SCL = VDD
0
0.10
0.05
0.20
0.15
0.30
0.25
0.35
0.45
0.40
0.50
-40
-10
5
-25
20
35
50
65
80
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
M
AX11644
toc06
TEMPERATURE (
°C)
SUPPLY
CURRENT
A)
MAX11644
MAX11645
0
200
100
300
400
500
600
700
800
900
1000
0
20406080
100
ANALOG SUPPLY CURRENT vs.
CONVERSION RATE (EXTERNAL CLOCK)
M
AX11644
toc07
CONVERSION RATE (ksps)
AVERAGE
I
DD
A)
0
EXTERNAL REFERENCE
INTERNAL REFERENCE ALWAYS ON
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