參數(shù)資料
型號(hào): LTC2158CUP-14#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 14/28頁(yè)
文件大小: 0K
描述: IC ADC DUAL 14BIT 310M 64-QFN
標(biāo)準(zhǔn)包裝: 40
位數(shù): 14
采樣率(每秒): 310M
數(shù)據(jù)接口: 并聯(lián),串行,SPI
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 873mW
電壓電源: 模擬和數(shù)字
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 64-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-QFN(9x9)
包裝: 管件
輸入數(shù)目和類型: 2 個(gè)差分
配用: DC1371A-ND - BOARD USB DATA ACQUISITION HS
21
215814f
LTC2158-14
REGISTER A3: OUTPUT MODE REGISTER (ADDRESS 03h)
D7
D6
D5
D4
D3
D2
D1
D0
X
ILVDS2
ILVDS1
ILVDS0
TERMON
OUTOFF
Bits 7-5
Unused Bit
Bits 4-2
ILVDS2:ILVDS0 LVDS Output Current Bits
000 = 3.5mA LVDS Output Driver Current
001 = 4.0mA LVDS Output Driver Current
010 = 4.5mA LVDS Output Driver Current
011 = Not Used
100 = 3.0mA LVDS Output Driver Current
101 = 2.5mA LVDS Output Driver Current
110 = 2.1mA LVDS Output Driver Current
111 = 1.75mA LVDS Output Driver Current
Bit 1
TERMON
LVDS Internal Termination Bit
0 = Internal Termination Off
1 = Internal Termination On. LVDS output driver current is 2× the current set by ILVDS2:ILVDS0
Bit 0
OUTOFF
Digital Output Mode Control Bits
0 = Digital Outputs Are Enabled
1 = Digital Outputs Are Disabled (High Impedance)
REGISTER A4: DATA FORMAT REGISTER (ADDRESS 04h)
D7
D6
D5
D4
D3
D2
D1
D0
OUTTEST2
OUTTEST1
OUTTEST0
ABP
0
DTESTON
RAND
TWOSCOMP
Bits 7-5
OUTTEST2:OUTTEST0
Digital Output Test Pattern Bits
000 = All Digital Outputs = 0
001 = All Digital Outputs = 1
010 = Alternating Output Pattern. OF, D13-D0 alternate between 000 0000 0000 0000 and 111 1111 1111 1111
100 = Checkerboard Output Pattern. OF, D13-D0 alternate between 101 0101 0101 0101 and 010 1010 1010 1010
Note 1: Other bit combinations are not used.
Note 2: Patterns from channel A and channel B may not be synchronous.
Bit 4
ABP
Alternate Bit Polarity Mode Control Bit
0 = Alternate Bit Polarity Mode Off
1 = Alternate Bit Polarity Mode On
Bit 3
Must Be Set to 0
Bit 2
DTESTON
Enable the digital output test patterns (set by Bits 7-5)
0 = Normal Mode
1 = Enable the Digital Output Test Patterns
Bit 1
RAND
Data Output Randomizer Mode Control Bit
0 = Data Output Randomizer Mode Off
1 = Data Output Randomizer Mode On
Bit 0
TWOSCOMP Two’s Complement Mode Control Bit
0 = Offset Binary Data Format
1 = Two’s Complement Data Format
applicaTions inForMaTion
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