參數(shù)資料
型號: MAX1295BCEI+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 28-QSOP
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): 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): 762mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 28-QSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 6 個單端,單極;6 個單端,雙極;3 個偽差分,單極;3 個偽差分,雙極
MAX1295/MAX1297
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
Three-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
Three-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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