参数资料
型号: MAX1265
厂商: Maxim Integrated Products, Inc.
英文描述: 265ksps. +3V. 6-/2-Channel. 12-Bit ADCs with +2.5V Reference and Parallel Interface
中文描述: 265ksps、+3V、6/2通道、12位ADC,带有+2.5V电压基准及并行接口
文件页数: 3/19页
文件大小: 307K
代理商: MAX1265
M
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +3.6V, COM = GND, REFADJ = V
DD
, V
REF
= +2.5V, 4.7μF capacitor at REF pin, f
CLK
= 4.8MHz (50% duty cycle),
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +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, V
IN
= 0 or V
DD
Unipolar, V
COM
= 0
bipolar, V
COM
= V
REF
/ 2
V
1.0
V
DD
+
50mV
V
REF
REF Input Voltage Range
μF
4.7
10
Capacitive Bypass at REF
EXTERNAL REFERENCE AT REF
μF
0.01
1
Capacitive Bypass at REFADJ
mV/mA
0.2
Load Regulation (Note 7)
V
V
DD
- 1
REFADJ High Threshold
mV
±100
REFADJ Input Range
mA
15
±20
REF Short-Circuit Current
REF Temperature Coefficient
V
2.49
2.5
2.51
REF Output Voltage
pF
12
C
IN
Input Capacitance
INTERNAL REFERENCE
μA
±0.01
±1
Multiplexer Leakage Current
V
Analog Input Voltage Range
Single Ended and Differential
(Note 6)
0
V
REF
+ V
REF
/2
- V
REF
/2
V
IN
CS
= V
DD
CS
= V
DD
I
SOURCE
= 1mA
I
SINK
= 1.6mA
V
IN
= 0 or V
DD
V
REF
= 2.5V, f
SAMPLE
= 265ksps
Shutdown mode
μA
pF
±0.1
15
±1
I
LEAKAGE
C
OUT
Tri-State Leakage Current
Tri-State Output Capacitance
POWER REQUIREMENTS
V
V
DD
- 0.5
V
OH
Output Voltage High
V
0.4
V
OL
Output Voltage Low
pF
15
C
IN
Input Capacitance
μA
±0.1
±1
I
IN
Input Leakage Current
mV
200
V
HYS
Input Hysteresis
V
0.8
V
IL
Input Voltage Low
V
2.0
V
IH
Input Voltage High
μA
200
300
2
I
REF
REF Input Current
V
2.7
3.6
2.8
2.3
1.2
0.8
V
DD
Analog Supply Voltage
Internal reference
External reference
Internal reference
External reference
2.5
1.9
0.9
0.5
ppm/°C
TC
REF
Positive Supply Current
Shutdown mode
V
DD
= 2.7V to 3.6V, full-scale input
2
10
±0.9
μA
mV
Power-Supply Rejection
PSR
±0.4
I
DD
mA
Operating mode,
f
SAMPLE
= 265ksps
Standby mode
CONVERSION RATE (continued)
ANALOG INPUTS
DIGITAL INPUTS AND OUTPUTS
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MAX1265ACEI+T 功能描述:模数转换器 - ADC 12-Bit 6Ch 265ksps 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
MAX1265ACEI-T 功能描述:模数转换器 - 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
MAX1265AEEI 功能描述:模数转换器 - 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