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參數(shù)資料
型號(hào): MAX19700ETM+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 14/32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): 2
功率(瓦特): 36.3mW
電壓 - 電源,模擬: 3V
電壓 - 電源,數(shù)字: 3V
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)
System Clock Input (CLK)
Both the Rx ADC and Tx DAC share the CLK input. The
CLK input accepts a CMOS-compatible signal level set
by OVDD from 1.8V to VDD. Since the interstage con-
version of the device depends on the repeatability of
the rising and falling edges of the external clock, use a
clock with low jitter and fast rise and fall times (<2ns).
Specifically, sampling occurs on the rising edge of the
clock signal, requiring this edge to provide the lowest
MAX19700
7.5Msps, Ultra-Low-Power
Analog Front-End
______________________________________________________________________________________
21
Table 5. External Tx-Rx Control Using T/
R Pin (T/R = 0 = Rx Mode, T/R = 1 = Tx Mode)
ADDRESS
DATA BITS
T/
R
A3
A2 A1 A0 E3
E2
E1 E0
PIN 27
STATE
FUNCTION
Rx TO Tx-Tx TO Rx
SWITCHING SPEED
DESCRIPTION
COMMENT
0
Ext1-Rx
Rx Mode
Rx ADC = ON
Tx DAC = ON
Rx Bus = Enable
Moderate Power
Fast Rx to Tx when T/R
transitions 0 to 1
0011
1
Ext1-Tx
FAST-SLOW
Tx Mode
Rx ADC = OFF
Tx DAC = ON
Tx Bus = Enable
Low Power
Slow Tx to Rx when T/R
transitions 1 to 0
0
Ext2-Rx
(Default)
Rx Mode
Rx ADC = ON
Tx DAC = OFF
Rx Bus = Enable
Low Power
Slow Rx to Tx when T/R
transitions 0 to 1
0100
1
Ext2-Tx
SLOW-FAST
Tx Mode
Rx ADC = ON
Tx DAC = ON
Tx Bus = Enable
Moderate Power
Fast Tx to Rx when T/R
transitions 1 to 0
0
Ext3-Rx
Rx Mode
Rx ADC = ON
Tx DAC = OFF
Rx Bus = Enable
Low Power
Slow Rx to Tx when T/R
transitions 0 to 1
0101
1
Ext3-Tx
SLOW-SLOW
Tx Mode
Rx ADC = OFF
Tx DAC = ON
Tx Bus = Enable
Low Power
Slow Tx to Rx when T/R
transitions 1 to 0
0
Ext4-Rx
Rx Mode
Rx ADC = ON
Tx DAC = ON
Rx Bus = Enable
Moderate Power
Fast Rx to Tx when T/R
transitions 0 to 1
0000
0110
1
Ext4-Tx
FAST-FAST
Tx Mode
Rx ADC = ON
Tx DAC = ON
Tx Bus = Enable
Moderate Power
Fast Tx to Rx when T/R
transitions 1 to 0
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