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參數(shù)資料
| 型號： | MAX1221BETX+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 41/44頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC/DAC 12BIT W/FIFO 36TQFNEP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | ADC，DAC |
| 分辨率（位）： | 12 b |
| 采樣率（每秒）： | 225k |
| 數(shù)據(jù)接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 電壓電源： | 模擬和數(shù)字 |
| 電源電壓： | 2.7 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 36-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 36-TQFN 裸露焊盤（6x6） |
| 包裝： | 帶卷 (TR) |
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MAX1221/MAX1223/MAX1343
12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDD = 2.7V to 5.25V, external reference VREF = 2.5V, fCLK = 3.6MHz (50% duty cycle), TA = -40°C to +85°C, unless other-
wise noted. Typical values are at AVDD = DVDD = 3V. TA = +25°C. Outputs are unloaded, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output-Voltage High
VOH
ISOURCE = 2mA
DVDD -
0.5
V
Tri-State Leakage Current
±10
A
Tri-State Output Capacitance
COUT
15
pF
DIGITAL OUTPUT (EOC) (Note 14)
Output-Voltage Low
VOL
ISINK = 2mA
0.4
V
Output-Voltage High
VOH
ISOURCE = 2mA
DVDD -
0.5
V
Tri-State Leakage Current
±10
A
Tri-State Output Capacitance
COUT
15
pF
DIGITAL OUTPUTS (GPIO_) (Note 14)
ISINK = 2mA
0.4
GPIOC_ Output-Voltage Low
ISINK = 4mA
0.8
V
GPIOC_ Output-Voltage High
ISOURCE = 2mA
DVDD -
0.5
V
GPIOA_ Output-Voltage Low
ISINK = 15mA
0.8
V
GPIOA_ Output-Voltage High
ISOURCE = 15mA
DVDD -
0.8
V
Tri-State Leakage Current
±10
A
Tri-State Output Capacitance
COUT
15
pF
POWER REQUIREMENTS (Note 15)
Digital Positive-Supply Voltage
DVDD
2.7
AVDD
V
Idle, all blocks shut down
0.2
4
A
Digital Positive-Supply Current
DIDD
Only ADC on, external reference
1
mA
Analog Positive-Supply Voltage
AVDD
2.70
5.25
V
Idle, all blocks shut down
0.2
2
A
fSAMPLE = 225ksps
2.8
4.2
Only ADC on,
external reference
fSAMPLE = 100ksps
2.6
Analog Positive-Supply Current
AIDD
All DACs on, no load, internal reference
1.5
4.0
mA
REF1 Positive-Supply Rejection
PSRR
AVDD = 2.7V
-77
dB
DAC Positive-Supply Rejection
PSRD
Output code = FFFhex,
AVDD = 2.7V to 5.25V
±0.1
±0.5
mV
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