參數(shù)資料
型號: MAX1267BEEG+T
廠商: Maxim Integrated Products
文件頁數(shù): 13/19頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 265KSPS 24-QSOP
產(chǎn)品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
位數(shù): 12
采樣率(每秒): 265k
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 10mW
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: 24-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 24-QSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個單端,單極;2 個單端,雙極;1 個偽差分,單極;1 個偽差分,雙極
MAX1265/MAX1267
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V, COM = GND, REFADJ = VDD, VREF = +2.5V, 4.7F capacitor at REF pin, fCLK = 4.8MHz (50% duty cycle),
TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
0 to 0.5mA output load
To power down the internal reference
For small adjustments
On-/off-leakage current, VIN = 0 or VDD
Unipolar, VCOM = 0
bipolar, VCOM = VREF / 2
V
1.0
VDD +
50mV
VREF
REF Input Voltage Range
F
4.7
10
Capacitive Bypass at REF
F
0.01
1
Capacitive Bypass at REFADJ
mV/mA
0.2
Load Regulation (Note 7)
V
VDD - 1
REFADJ High Threshold
mV
±100
REFADJ Input Range
mA
15
REF Short-Circuit Current
V
2.49
2.5
2.51
REF Output Voltage
pF
12
CIN
Input Capacitance
A
±0.01
±1
Multiplexer Leakage Current
V
Analog Input Voltage Range
Single Ended and Differential
(Note 6)
0
VREF
- VREF/2
+ VREF/2
VIN
CS = VDD
ISOURCE = 1mA
ISINK = 1.6mA
VIN = 0 or VDD
VREF = 2.5V, fSAMPLE = 265ksps
A
±0.1
±1
ILEAKAGE
Tri-State Leakage Current
V
VDD - 0.5
VOH
Output Voltage High
V
0.4
VOL
Output Voltage Low
pF
15
CIN
Input Capacitance
A
±0.1
±1
IIN
Input Leakage Current
mV
200
VHYS
Input Hysteresis
V
0.8
VIL
Input Voltage Low
V
2.0
VIH
Input Voltage High
A
200
300
IREF
REF Input Current
CS = VDD
V
2.7
3.6
VDD
Analog Supply Voltage
pF
15
COUT
Tri-State Output Capacitance
Internal reference
2.5
2.8
ppm/°C
±20
TCREF
REF Temperature Coefficient
Shutdown mode
2
External reference
1.9
2.3
0.9
1.2
Positive Supply Current
Shutdown mode
210
A
Power-Supply Rejection
PSR
VDD = 2.7V to 3.6V, full-scale input
±0.4
±0.9
mV
IDD
0.5
0.8
mA
Operating mode,
fSAMPLE = 265ksps
Internal reference
External reference
Standby mode
CONVERSION RATE (continued)
ANALOG INPUTS
INTERNAL REFERENCE
EXTERNAL REFERENCE AT REF
DIGITAL INPUTS AND OUTPUTS
POWER REQUIREMENTS
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MAX1268ACEG+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 2Ch 420ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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