参数资料
型号: MAX19700ETM+T
厂商: Maxim Integrated Products
文件页数: 31/32页
文件大小: 0K
描述: IC ANLG FRNT END 48-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
位数: 10
通道数: 2
功率(瓦特): 36.3mW
电压 - 电源,模拟: 3V
电压 - 电源,数字: 3V
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 带卷 (TR)
MAX19700
7.5Msps, Ultra-Low-Power
Analog Front-End
8
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 3V, OVDD = 1.8V, internal reference (1.024V), CL ≈ 10pF on all digital outputs, fCLK = 7.5MHz (50% duty cycle), ADC input
amplitude = -0.5dBFS, DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, CREFP = CREFN = CCOM =
0.33F. Typical values are at TA = +25°C, unless otherwise noted. CL < 5pF on all aux-DAC outputs.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Enable Time from Tx to Rx, (Ext1-
Tx to Ext1-Rx, Ext3-Tx to Ext3-Rx,
and SPI2-Tx to SPI1-Rx Modes)
tENABLE, RX ADC settles to within 1dB SINAD
7.3
s
Enable Time from Rx to Tx, (Ext2-
Rx to Ext2-Tx, Ext3-Rx to Ext3-Tx,
and SPI1-Rx to SPI2-Tx Modes)
tENABLE,TX
DAC settles to within 10 LSB error
5
s
INTERNAL REFERENCE (REFIN = VDD; VREFP, VREFN, VCOM levels are generated internally)
Positive Reference
VREFP - VCOM
0.256
V
Negative Reference
VREFN - VCOM
-0.256
V
Common-Mode Output Voltage
VCOM
VDD / 2
- 0.15
VDD / 2
+ 0.15
V
Maximum REFP/REFN/COM
Source Current
ISOURCE
2mA
Maximum REFP/REFN/COM
Sink Current
ISINK
2mA
Differential Reference Output
VREF
VREFP - VREFN
+0.490
+0.512
+0.534
V
Differential Reference Temperature
Coefficient
REFTC
±10
ppm/°C
BUFFERED EXTERNAL REFERENCE (external REFIN = 1.024V applied; VREFP, VREFN, VCOM levels are generated internally)
Reference Input Voltage
VREFIN
1.024
V
Differential Reference Output
VDIFF
VREFP - VREFN
0.512
V
Common-Mode Output Voltage
VCOM
VDD / 2
V
Maximum REFP/REFN/COM
Source Current
ISOURCE
2mA
Maximum REFP/REFN/COM
Sink Current
ISINK
2mA
REFIN Input Current
-0.7
A
REFIN Input Resistance
500
k
DIGITAL INPUTS (CLK, SCLK, DIN,
CS, D0–D9, T/R, SHDN)
Input High Threshold
VINH
D0–D9, CLK, SCLK, DIN, CS, T/R, SHDN
0.7 x
OVDD
V
Input Low Threshold
VINL
D0–D9, CLK, SCLK, DIN, CS, T/R, SHDN
0.3 x
OVDD
V
Input Leakage
DIIN
D0–D9, CLK, SCLK, DIN, CS, T/R,
SHDN = OGND or OVDD
-1
+1
A
Input Capacitance
DCIN
5pF
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