參數(shù)資料
型號(hào): MAX19705ETM+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 36/37頁(yè)
文件大?。?/td> 0K
描述: IC ANLG FRNT END 48-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 10
通道數(shù): 4
功率(瓦特): 28.2mW
電壓 - 電源,模擬: 2.7 V ~ 3.3 V
電壓 - 電源,數(shù)字: 1.8 V ~ 3.3 V
封裝/外殼: 48-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 48-TQFN-EP(7x7)
包裝: 帶卷 (TR)
MAX19705
10-Bit, 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), Rx ADC input
amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, CREFP = CREFN =
CCOM = 0.33F, unless otherwise noted. CL < 5pF on all aux-DAC outputs. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Enable Time from Tx to Rx (Ext2-Tx
to Ext2-Rx, Ext4-Tx to Ext4-Rx, and
SPI4-Tx to SPI3-Rx States)
tENABLE, RX ADC settles to within 1dB SINAD
500
ns
Enable Time from Rx to Tx (Ext1-Rx
to Ext1-Tx, Ext4-Rx to Ext4-Tx, and
SPI3-Rx to SPI4-Tx States)
tENABLE, TX DAC settles to within 10 LSB error
500
ns
Enable Time from Tx to Rx (Ext1-Tx
to Ext1-Rx, Ext3-Tx to Ext3-Rx, and
SPI1-Tx to SPI2-Rx States)
tENABLE, RX ADC settles to within 1dB SINAD
8.1
s
Enable Time from Rx to Tx (Ext2-Rx
to Ext2-Tx, Ext3-Rx to Ext3-Tx, and
SPI1-Rx to SPI2-Tx States)
tENABLE,TX
DAC settles to within 10 LSB error
6.0
s
INTERNAL REFERENCE (VREFIN = 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
+0.46
+0.512
+0.55
V
Differential Reference Temperature
Coefficient
REFTC
±10
ppm/°C
BUFFERED EXTERNAL REFERENCE (external VREFIN = 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
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