DigiTal inpuTs anD ouTpuTs
參數(shù)資料
型號: LTC2256CUJ-12#TRPBF
廠商: Linear Technology
文件頁數(shù): 30/34頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 25MSPS 1.8V 40-QFN
產(chǎn)品培訓模塊: LTC2262 - Ultra Low Power High Speed ADCs
標準包裝: 2,000
位數(shù): 12
采樣率(每秒): 25M
數(shù)據(jù)接口: 并聯(lián),串行,SPI
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 38mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 40-WFQFN 裸露焊盤
供應商設備封裝: 40-QFN(6x6)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分
配用: DC718C-ND - DEMO QUIKEVAL-II DATA
LTC2258-12
LTC2257-12/LTC2256-12
5
225812fd
For more information www.linear.com/LTC2258-12
DigiTal inpuTs anD ouTpuTs The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ENCODE INPUTS (ENC+, ENC)
Differential Encode Mode (ENCNot Tied to GND)
VID
Differential Input Voltage
(Note 8)
l
0.2
V
VICM
Common Mode Input Voltage
Internally Set
Externally Set (Note 8)
l
1.1
1.2
1.6
V
VIN
Input Voltage Range
ENC+, ENCto GND
l
0.2
3.6
V
RIN
Input Resistance
(See Figure 10)
10
CIN
Input Capacitance
(Note 8)
3.5
pF
Single-Ended Encode Mode (ENCTied to GND)
VIH
High Level Input Voltage
VDD = 1.8V
l
1.2
V
VIL
Low Level Input Voltage
VDD = 1.8V
l
0.6
V
VIN
Input Voltage Range
ENC+ to GND
l
0
3.6
V
RIN
Input Resistance
(See Figure 11)
30
CIN
Input Capacitance
(Note 8)
3.5
pF
DIGITAL INPUTS (CS, SDI, SCK)
VIH
High Level Input Voltage
VDD = 1.8V
l
1.3
V
VIL
Low Level Input Voltage
VDD = 1.8V
l
0.6
V
IIN
Input Current
VIN = 0V to 3.6V
l
–10
10
A
CIN
Input Capacitance
(Note 8)
3
pF
SDO OUTPUT (Open-Drain Output. Requires 2k Pull-Up Resistor if SDO is Used)
ROL
Logic Low Output Resistance to GND
VDD = 1.8V, SDO = 0V
200
Ω
IOH
Logic High Output Leakage Current
SDO = 0V to 3.6V
l
–10
10
A
COUT
Output Capacitance
(Note 8)
4
pF
DIGITAL DATA OUTPUTS (CMOS MODES: FULL DATA RATE AND DOUBLE DATA RATE)
OVDD = 1.8V
VOH
High Level Output Voltage
IO = –500A
l
1.750
1.790
V
VOL
Low Level Output Voltage
IO = 500A
l
0.010
0.050
V
OVDD = 1.5V
VOH
High Level Output Voltage
IO = –500A
1.488
V
VOL
Low Level Output Voltage
IO = 500A
0.010
V
OVDD = 1.2V
VOH
High Level Output Voltage
IO = –500A
1.185
V
VOL
Low Level Output Voltage
IO = 500A
0.010
V
DIGITAL DATA OUTPUTS (LVDS MODE)
VOD
Differential Output Voltage
100Ω Differential Load, 3.5mA Mode
100Ω Differential Load, 1.75mA Mode
l
247
350
175
454
mV
VOS
Common Mode Output Voltage
100Ω Differential Load, 3.5mA Mode
100Ω Differential Load, 1.75mA Mode
l
1.125
1.250
1.375
V
RTERM
On-Chip Termination Resistance
Termination Enabled, OVDD = 1.8V
100
Ω
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