PAC1710/20
DS20005386B-page 4 2015-2016 Microchip Technology Inc.
TABLE 1-1: DC CHARACTERISTICS
Electrical Characteristics: Unless otherwise specified, maximum values are at T
A
= -40°C to +85°C,
V
DD
= 3V to 5.5V, V
SOURCE
= 0V to 40V; typical values are at T
A
= +25°C, V
DD
= 3.3V, V
SOURCE
= 24V,
V
SENSE
= (SENSE+ – SENSE-) = 0V; Current Sense Full Scale Range = 80 mV unless otherwise noted
Characteristic Symbol Min. Typ. Max. Unit Conditions
Power Supply
Voltage on SENSE+ V
SOURCE
0—40V
V
DD
Range V
DD
3.0 — 5.5 V
V
DD
Pin Supply
Current (PAC1720)
I
DD
— 0.525 1.3 mA Both measurement channels
enabled. Continuous conversions
(see Ta b le 4- 1)
— 13 50 µA Both measurement channels
enabled. One conversion per
second (see Table 4-1).
VSRC_SAMP_TIME = 2.5 ms
CS_SAMP_TIME = 2.5 ms
No SMBus communications
V
DD
Pin Supply
Current (PAC1710)
I
DD
— 360 900 µA Continuous Conversions
(see Ta b le 4- 1)
— 10 35 µA One conversion per second
(see Ta b le 4- 1).
VSRC_SAMP_TIME = 2.5 ms
CS_SAMP_TIME = 2.5 ms
No SMBus communications
V
DD
Rise Rate V
DD_RISE
0.03 V/ms 0 to 3V in 100 ms
V
DD
Standby Current I
DD_STBY
— 5.5 15 µA Standby state
Analog Input Characteristics
SENSE+/SENSE-
Pins Common-Mode
Voltage Range
V
CM
0 — 40 V Common-mode voltage on SENSE
pins, referenced to ground
V
SENSE
Differential
Input Voltage Range
V
DIFF
-80 — +80 mV Voltage between SENSE+ and
SENSE- pins
Current-Sense Power
Supply Rejection
Ratio
PSRR_CS — 10 — µV/V 3.0V < V
DD
< 5.5V
Full-Scale Range (±)
(see Section 4.4
“Current
Measurement”)
FSR -10 — 10 mV 1 LSB = 4.885 µV
11-bit data resolution
-20 — 20 mV 1 LSB = 9.77 µV
11-bit data resolution
-40 — 40 mV 1 LSB = 19.54 µV
11-bit data resolution
-80 — 80 mV 1 LSB = 39.08 µV
11-bit data resolution
Common-Mode
Rejection
V
SENSE _CMRR
80 100 — dB Common-Mode Rejection,
0V < V
SOURCE
< 40V
SENSE+/SENSE-
Pins Common-Mode
Voltage Range
V
CM
0 — 40 V Common-mode voltage on SENSE
pins, referenced to ground
V
BUS
Gain Accuracy V
BUS_GAIN_ERR
— — ±0.4 % Measured at ADC output, Gain = 1
