参数资料
型号: ADP5588-EVALZ
厂商: Analog Devices Inc
文件页数: 22/28页
文件大小: 0K
描述: BOARD EVAL ADP5588 KEYPAD/GPIO
标准包装: 1
主要目的: 接口,GPIO 扩展器
嵌入式:
已用 IC / 零件: ADP5588
主要属性: 8 位 18 端口 GPIO 扩展器
次要属性: I²C 接口
已供物品:
Data Sheet
ADP5588
Rev. C | Page 3 of 28
SPECIFICATIONS
TA = TJ = 40°C to +85°C, unless otherwise noted.
DC ELECTRICAL CHARACTERISTICS
Table 1. General DC Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
SUPPLY VOLTAGE
VCC Input Voltage Range
VCC
1.7
3.0
V
Photosensor Voltage
VPHOTOSENSOR
VCC + 0.2
Supply Current1
ICC
VCC = 1.8 V to 3.0 V, TA = 40°C to +85°C
1
10
μA
With One Key Press
ICC
VCC = 1.8 V, TA = 40°C to +85°C
55
90
μA
With One Key Press
ICC
VCC = 3.0 V, TA = 40°C to +85°C
100
200
μA
With GPI Low (Pull-Up Enabled)2
ICC
VCC = 1.8 V to 3.0 V, TA = 40°C to +85°C
20
50
μA
With GPI Low (Pull-Up Disabled)
ICC
VCC = 1.8 V to 3.0 V, TA = 40°C to +85°C
2
10
μA
With One GPO Active3
ICC
VCC = 1.8 V, TA = 40°C to +85°C
50
μA
AMBIENT LIGHT SENSOR (CMP_IN1, CMP_IN2)
Maximum Sensor Range
ISENSOR
VCC = 1.8 V to 3.0 V, TA = 25°C
0.85
1.0
1.15
mA
Sensor Supply Current (One Comparator Enabled,
0 Minimum Input Current)4
ICC
VCC = 1.8 V to 3.0 V
100
150
μA
Sensor Current (One Comparator Enabled,
Maximum Input Current)4
ICC
VCC = 1.8 V to 3.0 V
160
200
μA
Sensor Current (Both Comparators Enabled,
Minimum Input Current)4
ICC
VCC = 1.8 V to 3.0 V
130
180
μA
Sensor Current (Both Comparators Enabled,
Maximum Input Current)4
ICC
VCC = 1.8 V to 3.0 V
240
400
μA
OSCILLATOR CURRENT
Oscillator Current (Enabled)
ICC
VCC = 1.8 V to 3.0 V
40
μA
1 Operating current measured with I/Os defaulting as GPIs with all pull-ups enabled and all inputs open.
2 With one GPI low.
3 Load = 100 k.Ω
4 Photosensor maximum voltage = VCC + 0.2.
Table 2. I/O DC Electrical Characteristics
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT LOGIC LEVELS (SCL, SDA, RST, C0 to C9, R0 to R7)1
Logic Low Input Voltage
VIL
1.7 V ≤ VIO ≤ 3.0 V
0.2 x VCC
V
Logic High Input Voltage
VIH
1.7 V ≤ VIO ≤ 3.0 V
0.65 x VCC
V
Schmitt Trigger Hysteresis
VHYST
0.10
V
Input Leakage Current
VI-LEAKAGE
1.7 V ≤ VIO ≤ 3.0 V
1
μA
OUTPUT LOGIC LEVELS (C0 to C9, R0 to R7)
Logic Low Output Voltage
VOL
ISINK = 1 mA
0.40
V
Output High Voltage
VOH
ISOURCE = 1 mA
VCC 0.3 V
V
OUTPUT LOGIC LEVELS (INT, SDA)
Output Low Voltage
VOL
ISINK = 3 mA
1.7 V ≤ VCC ≤ 3.0 V
0.40
V
Output High Voltage
VOH
1.7 V ≤ VCC ≤ 3.0 V
0.95 × VCC
V
Logic High Leakage Current
VO-LEAKAGE
1.7 V ≤ VCC ≤ 3.0 V
0.1
1
μA
PULL-UP RESISTANCE FOR GPIOs (C0 to C9, R0 to R7)2
RPULL-UP
100
1 Power-up default current. All I/Os default as GPIs and are open; C8 and C9 default as GPIs; I2C is idle.
2 GPIO internal pull-ups are designed to 100 kΩ.
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