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參數資料
| 型號： | UC1910 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 4-Bit DAC and Voltage Monitor |
| 中文描述： | 4位DAC和電壓監(jiān)視器 |
| 文件頁數： | 2/6頁 |
| 文件大小： | 222K |
| 代理商： | UC1910 |
UC1910
UC2910
UC3910
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Undervoltage Lockout
V
IN
UVLO Turn-on Threshold
UVLO Threshold Hysteresis
Supply Current
I
IN
Startup
I
IN
DAC/Reference
DACOUT Voltage Accuracy
7
8
9
V
50
200
500
mV
VCC = 5V
VCC = 12V
2
3.5
12
mA
mA
10
Line, Load, 0°C < T
A
< 70°C (Note 1)
Line, Load, –55°C < T
A
< 125°C
D
X
Pin Floating
D
X
Pin Tied to GND
I
VREF
= 0mA, 0°C < T
A
< 70°C
Line, Load, 0°C < T
A
< 70°C (Note 1)
Line, Load, –55°C < T
A
< 125°C
VREF = 0V
0.9
–1.5
4.6
–140
4.97
4.96
4.925
10
0.9
1.5
%
%
V
μ
A
V
V
V
mA
D0-D3 Voltage High
D0-D3 Input Bias Current
VREF Output Voltage
VREF Total Variation
4.85
105
5
5
5
5.03
5.04
5.075
VREF Sourcing Current
DAC Buffer
Input Offset Voltage
Output Sourcing Current
Monitor Circuitry (Note 2)
VSENSE UV Threshold Voltage
I
DACBUF
= –1mA, 0°C < T
A
< 70°C
25
–12
25
–1
mV
mA
Code 0, Ratio = 0.45 (Note 3)
Code 0, Ratio = 0.9
Code 15, Ratio = 0.45
Code 15, Ratio = 0.9
Code 0, Ratio = 0.45
Code 0, Ratio = 0.9
Code 15, Ratio = 0.45
Code 15, Ratio = 0.9
3.174
2.87
1.816
1.635
3.7
3.92
2.116
1.635
3.237
2.975
1.85
1.7
3.763
4.025
2.15
2.3
3.3
3.08
1.884
1.765
3.826
4.13
2.184
2.365
V
V
V
V
V
V
V
V
VSENSE OV Threshold Voltage
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VCC = 12V, VSENSE = 3.5V, V
OVTH/UVTH
= 1.26V,
V
D0
= V
D1
= V
D2
= V
D3
= 0V, 0°C < T
A
< 70°C for the UC3910, –25°C < T
A
< 80°C for the UC2910, –55°C < T
A
< 125°C for the
UC1910 T
A
= T
J
.
CONNECTION DIAGRAM
DIL-16, SOIC-16 (Top View)
J, N, or D Packages
2
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