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UCD3138A 数据表(PDF) 13 Page - Texas Instruments

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部件名 UCD3138A
功能描述  Highly Integrated Digital Controller for Isolated Power
PDF  83 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

UCD3138A 数据表(HTML) 13 Page - Texas Instruments

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UCD3138A
www.ti.com
SLUSC66B – MARCH 2015 – REVISED MAY 2015
5.4
Electrical Characteristics
V33A = V33D = V33DIO = 3 V to 3.6 V; 1
μF from BP18 to DGND, TJ = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
Measured on V33A. The device is
I33A
powered up but all ADC12 and EADC
6.3
mA
sampling is disabled
All GPIO and communication pins are
I33DIO
0.35
mA
open
I33D
ROM program execution
60
mA
I33D
Flash programming in ROM mode
70
mA
The device is in ROM mode with all
I33
DPWMs enabled and switching at 2
105
mA
MHz. The DPWMs are all unloaded.
ERROR ADC INPUTS EAP, EAN
EAP – AGND
–0.15
1.998
V
EAP – EAN
–0.256
1.848
V
Typical error range
AFE = 0
–256
248
mV
AFE = 3
0.8
1
1.20
mV
AFE = 2
1.7
2
2.30
mV
EAP – EAN Error voltage digital resolution
AFE = 1
3.55
4
4.45
mV
AFE = 0
6.90
8
9.10
mV
REA
Input impedance (See Figure 5-5)
AGND reference
0.5
M
Ω
IOFFSET
Input offset current (See Figure 5-5)
–5
5
μA
Input voltage = 0 V at AFE = 0
–2
2
LSB
Input voltage = 0 V at AFE = 1
–2.5
2.5
LSB
EADC offset
Input voltage = 0 V at AFE = 2
–3
-3
LSB
Input voltage = 0 V at AFE = 3
–4
4
LSB
Sample Rate
16
MHz
Analog Front End Amplifier Bandwidth
100
MHz
Gain
See Figure 5-6
1
V/V
A0
Minimum output voltage
30
mV
EADC DAC
DAC range
0
1.6
V
VREF DAC reference resolution
10 bit, No dithering enabled
1.56
mV
VREF DAC reference resolution
With 4 bit dithering enabled
97.6
μV
INL
–3.0
3.0
LSB
DNL
Does not include MSB transition
–2.1
1.6
LSB
DNL at MSB transition
–1.4
LSB
DAC reference voltage
1.58
1.61
V
τ
Settling Time
From 10% to 90%
250
ns
ADC12
IBIAS
Bias current for PMBus address pins
9.5
10.5
μA
Measurement range for voltage monitoring
0
2.5
V
Internal ADC reference voltage
–40°C to 125°C
2.475
2.500
2.525
V
–40°C to 25°C
–1.2
Change in Internal ADC reference from
mV
25°C reference voltage(1)
25°C to 125°C
–2.6
(1)
As designed and characterized. Not 100% tested in production.
Copyright © 2015, Texas Instruments Incorporated
Specifications
13
Submit Documentation Feedback
Product Folder Links: UCD3138A



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