The q denotes specifications which apply over the full operating temperature " />
參數(shù)資料
型號(hào): LTC1821-1BIGW#TR
廠商: Linear Technology
文件頁(yè)數(shù): 10/16頁(yè)
文件大小: 0K
描述: IC D/A CONV 16BIT PRECISE 36SSOP
標(biāo)準(zhǔn)包裝: 1,000
設(shè)置時(shí)間: 2µs
位數(shù): 16
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
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: 36-BSOP(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 36-SSOP
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 1 電壓,單極;1 電壓,雙極
采樣率(每秒): *
其它名稱: LTC1821-1BIGWTR
3
LTC1821
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = TMIN to TMAX,
V+ = 15V, V= – 15V, VCC = 5V, VREF = 10V, AGNDF = AGNDS = DGND = 0V.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Input
RREF
DAC Input Resistance (Unipolar)
(Note 6)
q
4.5
6
10
k
R1/R2
R1/R2 Resistance (Bipolar)
(Notes 6, 11)
q
912
20
k
ROFS, RFB
Feedback and Offset Resistances
(Note 6)
q
912
20
k
AC Performance (Note 4)
Output Voltage Settling Time
VOUT = 10V (Notes 7, 8)
2
s
Midscale Glitch Impulse
(Note 10)
2
nVs
Digital-Feedthrough
(Note 9)
2
nVs
Multiplying Feedthrough Error
VREF = ±10V, 10kHz Sine Wave (Note 7)
1
mVP-P
Multiplying Bandwidth
Code = Full Scale (Note 7)
600
kHz
Output Noise Voltage Density
1kHz to 100kHz (Note 7)
Code = Zero Scale
13
nV/
√Hz
Code = Full Scale
20
nV/
√Hz
Output Noise Voltage
0.1Hz to 10Hz (Note 7)
Code = Zero Scale
0.45
VRMS
Code = Full Scale
1
VRMS
1/f Noise Corner
(Note 7)
30
Hz
Analog Outputs (Note 4)
VOUT
DAC Output Swing
RL = 2k, V+ = 15V, V= –15V
q
±12.6
V
RL = 2k, V+ = 5V, V= –5V
q
±2.6
V
DAC Output Load Regulation
V+ = 15V, V= –15V,
±5mA Load
q
0.02
0.2
LSB/mA
ISC
Short-Circuit Current
VOUT = 0V, V
+ = 15V, V= –15V
q
12
40
mA
SR
Slew Rate
RL = 2k, V+ = 15V, V= –15V
20
V/
s
RL = 2k, V+ = 5V, V= –5V
14
V/
s
Digital Inputs
VIH
Digital Input High Voltage
q
2.4
V
VIL
Digital Input Low Voltage
q
0.8
V
IIN
Digital Input Current
q
0.001
±1
A
CIN
Digital Input Capacitance
(Note 4 ) VIN = 0V
q
8pF
Timing Characteristics
tDS
Data to WR Setup Time
q
60
20
ns
tDH
Data to WR Hold Time
q
0–12
ns
t WR
WR Pulse Width
q
60
25
ns
tLD
LD Pulse Width
q
110
55
ns
tCLR
Clear Pulse Width
q
60
40
ns
tLWD
WR to LD Delay Time
q
0ns
Power Supply
ICC
Supply Current, VCC
Digital Inputs = 0V or VCC
q
1.5
10
A
IS
Supply Current, V+, V
±15V
q
4.5
7.0
mA
±5V
q
4.0
6.8
mA
VCC
Supply Voltage
q
4.5
5
5.5
V
V+
Supply Voltage
q
4.5
16.5
V
V
Supply Voltage
q
–16.5
– 4.5
V
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