参数资料
型号: MAXQ7665BATM+T
厂商: Maxim Integrated Products
文件页数: 34/47页
文件大小: 0K
描述: IC MCU-BASED DAS 16BIT 48-TQFN
标准包装: 2,500
系列: MAXQ®
核心处理器: RISC
芯体尺寸: 16-位
速度: 8MHz
连通性: CAN,LIN,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 8
程序存储器容量: 64KB(32K x 16)
程序存储器类型: 闪存
RAM 容量: 256 x 16
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.25 V
数据转换器: A/D 8x12b,D/A 1x12b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 48-VFQFN 裸露焊盘
包装: 带卷 (TR)
MAXQ7665A–MAXQ7665D
16-Bit RISC Microcontroller-Based
Smart Data-Acquisition Systems
4
________________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(AVDD = DVDDIO = +5.0V, DVDD = +3.3V, fSYSCLK = 8MHz, VREFDAC = VREFADC = +5V, TA = TMIN to TMAX, unless otherwise noted.
Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Spurious-Free Dynamic Range
SFDR
PGA gain = 1V/V
-91
dB
Conversion Clock Frequency
fADCCLK
fSYSCLK = 8MHz
0.5
8.0
MHz
PGA gain = 1V/V, RSOURCE
≤ 1k
500
Sample Rate
fSAMPLE
Any PGA gain setting > 1V/V, RSOURCE
5k
142
ksps
Conversion Time
tCONV
tACQ plus 13 ADCCLK cycles at 8MHz
tACQ +
1.625
s
PGA gain = 1V/V, RSOURCE
≤ 1k
2
Channel/Gain Select Plus
Conversion Time
Any PGA gain setting, RSOURCE
≤ 5k
7
s
PGA gain = 1V/V, RSOURCE
≤ 1k
375
ns
Track-and-Hold Acquisition Time
tACQ
Any PGA gain setting > 1V/V, RSOURCE
5k
5s
Turn-On Time
tRECOV
5s
Aperture Delay
30
ns
Aperture Jitter
50
psP-P
PGA gain = 1
0
AVDD
PGA gain = 2
0
1.6
PGA gain = 4
0
0.8
PGA gain = 8
0
0.4
PGA gain = 16
0
0.2
Unipolar mode
PGA gain = 32
0
0.1
PGA gain = 1
-VREFADC
/2
+VREFADC
/2
PGA gain = 2
-VREFADC
/4
+VREFADC
/4
PGA gain = 4
-VREFADC
/8
+VREFADC
/8
PGA gain = 8
-VREFADC
/16
+VREFADC
/16
PGA gain = 16
-VREFADC
/32
+VREFADC
/32
Input-Voltage Range
Bipolar mode, AIN+ to
AIN-
PGA gain = 32
-VREFADC
/64
+VREFADC
/64
V
Absolute Input-Voltage Range
AGND
AVDD
V
Input Leakage Current
AIN15–AIN0
±20
nA
PGA gain = 1
180
PGA gain = 2
140
PGA gain = 4
120
PGA gain = 8
100
PGA gain = 16
82
Small-Signal Bandwidth (-3dB)
VIN x gain = 100mVP-P
PGA gain = 32
80
MHz
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