VIH High Level Input Voltage
參數(shù)資料
型號(hào): LTC1850IFW#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 23/28頁(yè)
文件大?。?/td> 0K
描述: IC ADC 10BIT 1.25MSPS 48-TSSOP
標(biāo)準(zhǔn)包裝: 1,800
位數(shù): 10
采樣率(每秒): 1.25M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 50mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-TFSOP(0.240",6.10mm 寬)
供應(yīng)商設(shè)備封裝: 48-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 8 個(gè)單端,單極;8 個(gè)單端,雙極;4 個(gè)差分,單極;4 個(gè)差分,雙極
4
LTC1850/LTC1851
18501f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
q
2.4
V
VIL
Low Level Input Voltage
VDD = 4.75V
q
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
q
±5
A
CIN
Digital Input Capacitance
2pF
VOH
High Level Output Voltage
VDD = 4.75V, IO = –10A
4.5
V
VDD = 4.75V, IO = – 200A
q
4.0
V
VOL
Low Level Output Voltage
VDD = 4.75V, IO = 160A
0.05
V
VDD = 4.75V, IO = 1.6mA
q
0.10
0.4
V
IOZ
Hi-Z Output Leakage D11 to D0, ADOUT, A1OUT, A2OUT, DIFFOUT VOUT = 0V to VDD, CS High
q
±10
A
COZ
Hi-Z Capacitance D11 to D0, ADOUT, A1OUT, A2OUT, DIFFOUT
CS High (Note 9)
q
15
pF
ISOURCE
Output Source Current
VOUT = 0V
– 20
mA
ISINK
Output Sink Current
VOUT = VDD
30
mA
The q denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
DIGITAL I PUTS A D DIGITAL OUTPUTS
U
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFOUT Output Voltage
IOUT = 0
2.48
2.50
2.52
V
REFOUT Output Temperature Coefficient
IOUT = 0
±15
ppm/
°C
REFOUT Line Regulation
0.01
LSB/V
Reference Buffer Gain
VREFCOMP/VREFIN
1.636
1.638
1.640
V/V
REFCOMP Output Voltage
External 2.5V Reference
4.090
4.096
4.100
V
Internal 2.5V Reference
4.060
4.096
4.132
V
REFCOMP Impedance
REFIN = VDD
6.4
k
TA = 25°C. (Notes 5, 6)
I TER AL REFERE CE
UU
U
LTC1850
LTC1851
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
SNR
Signal-to-Noise Ratio
47kHz Input Signal
Unipolar, PGA = 0
61.6
71
dB
Unipolar, PGA = 1
61.7
72
dB
Bipolar, PGA = 0
61.6
71
dB
Bipolar, PGA = 1
61.7
72
dB
S/(N+D)
Signal-to-(Noise + Distortion) Ratio
47kHz Input Signal
Unipolar, PGA = 0
61.0
70
dB
Unipolar, PGA = 1
61.0
71
dB
Bipolar, PGA = 0
61.0
71
dB
Bipolar, PGA = 1
61.2
72
dB
THD
Total Harmonic Distortion
47kHz Input Signal,
Unipolar, PGA = 0
First 5 Harmonics
–76
–80
dB
Unipolar, PGA = 1
–78
–82
dB
Bipolar, PGA = 0
–81
–87
dB
Bipolar, PGA = 1
–80
–86
dB
SFDR
Spurious-Free Dynamic Range
47kHz Input Signal
Unipolar, PGA = 0
74
82
dB
Unipolar, PGA = 1
80
86
dB
Bipolar, PGA = 0
84
90
dB
Bipolar, PGA = 1
82
88
dB
DY A IC ACCURACY
U
W
(Note 5)
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