参数资料
型号: MAX1225ETC+
厂商: Maxim Integrated Products
文件页数: 12/18页
文件大小: 0K
描述: IC ADC 12BIT 1.5MSPS 12-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
位数: 12
采样率(每秒): 1.5M
数据接口: MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 18mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 12-WQFN 裸露焊盘
供应商设备封装: 12-TQFN-EP(4x4)
包装: 管件
输入数目和类型: 1 个差分,双极
MAX1224/MAX1225
1.5Msps, Single-Supply, Low-Power,
True-Differential, 12-Bit ADCs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +2.7V to +3.6V, VL = VDD, VREF = 2.048V, fSCLK = 24.0MHz, 50% duty cycle, TA = -40°C to +85°C, unless otherwise noted.
Typical values are at VDD = 3V and TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUTS (AIN+, AIN-)
AIN+ - AIN-, MAX1224
0
VREF
Differential Input Voltage Range
VIN
AIN+ - AIN-, MAX1225
-VREF / 2
+VREF / 2
V
Absolute Input Voltage Range
0
VDD
V
DC Leakage Current
±1
μA
Input Capacitance
Per input pin
16
pF
Input Current (Average)
Time averaged at maximum throughput rate
50
μA
REFERENCE INPUT (REF)
REF Input Voltage Range
VREF
1.0
VDD +
50mV
V
Input Capacitance
20
pF
DC Leakage Current
±1
μA
Input Current (Average)
Time averaged at maximum throughput rate
200
μA
DIGITAL INPUTS (SCLK, CNVST)
Input-Voltage Low
VIL
0.3 x VL
V
Input-Voltage High
VIH
0.7 x VL
V
Input Leakage Current
IIL
0.05
±10
μA
DIGITAL OUTPUT (DOUT)
Output Load Capacitance
COUT
For stated timing performance
30
pF
Output-Voltage Low
VOL
ISINK = 5mA, VL
1.8V
0.4
V
Output-Voltage High
VOH
ISOURCE = 1mA, VL
1.8V
VL - 0.5V
V
Output Leakage Current
IOL
Output high impedance
±0.2
±10
μA
POWER REQUIREMENTS
Analog Supply Voltage
VDD
2.7
3.6
V
Digital Supply Voltage
VL
1.8
VDD
V
Static, fSCLK = 24.0MHz
5
7
Static, no SCLK
4
5
Analog Supply Current,
Normal Mode
IDD
Operational, 1.5Msps
6
8
mA
fSCLK = 24.0MHz
1
Analog Supply Current,
Partial Power-Down Mode
IDD
No SCLK
1
mA
fSCLK = 24.0MHz
1
Analog Supply Current,
Full Power-Down Mode
IDD
No SCLK
0.3
1
μA
Operational, full-scale input at 1.5Msps
0.3
1
Static, fSCLK = 24.0MHz
0.15
0.5
Partial/full power-down mode,
fSCLK = 24.0MHz
0.1
0.3
mA
Digital Supply Current (Note 8)
Static, no SCLK, all modes
0.1
1
μA
Positive-Supply Rejection
PSR
Full-scale input, 3V +20%, -10%
±0.2
±3.0
mV
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MAX1225ETC+T 功能描述:模数转换器 - ADC 12-Bit 1.5Msps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
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