Datasheet

Data Sheet ADP1046A
Rev. 0 | Page 5 of 88
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
VS3 HIGH SPEED ADC
Equivalent Sampling
Frequency
f
SAMP
f
SW
kHz
Equivalent Resolution f
SW
= 390.6 kHz 6 Bits
Dynamic Range ±30 mV
VS1 FAST OVP COMPARATOR
Threshold Accuracy At factory trim of 1.2 V 1 1.60 %
At other thresholds (0.8 V to 1.6 V)
−2.06
+2.06
%
Propagation Delay Does not include debounce time
(Register 0x0A[7] = 1)
40 ns
VS1 UVP DIGITAL COMPARATOR
VS1 UVP Accuracy −2.0 +2.0 % FSR
Propagation Delay Does not include debounce time
(Register 0x0B[3] = 1)
80 µs
AC SENSE COMPARATOR PWM and resonant mode
Input Voltage Threshold 0.4 0.45 0.5 V
Propagation Delay From ACSNS threshold to SRx rising edge
(resonant mode only)
160 ns
ADC Clock Frequency
1.56
MHz
Input Voltage Range V
ACSNS
0 1 1.6 V
Usable Input Voltage Range 0 1.4 V
Sampling Frequency for I
2
C
Reporting
100 Hz
Sampling Period for
Feedforward
Equivalent resolution is 11 bits 10 µs
Measurement Accuracy Factory trimmed at 1.0 V
0% to 100% of usable input voltage range −5.0 +3.0 % FSR
10% to 90% of usable input voltage range −2.0 +2.0 % FSR
900 mV to 1.1 V −1.0 +1.0 % FSR
−16 +16 mV
Leakage Current 1.0 µA
CURRENT SENSE 1 (CS1 PIN)
Input Voltage Range
V
IN
0
1
1.4
V
Usable Input Voltage Range 0 1.3 V
ADC Clock Frequency 1.56 MHz
Register Update Rate 10 ms
Current Sense Measurement
Accuracy
Factory trimmed at 0.7 V; tested under dc
input conditions
10% to 50% of usable input voltage range −3.0 +3.0 % FSR
−41.4 +41.4 mV
0% to 100% of usable input voltage range −6.0 +3.0 % FSR
−84 +42 mV
40% to 60% of usable input voltage range −1.0 +1.0 % FSR
Current Sense Measurement
Resolution
12 Bits
CS1 Fast OCP Threshold 1.184 1.2 1.216 V
CS1 Fast OCP Speed 80 100 ns
CS1 Accurate OCP DC Accuracy 10% to 90% of usable input voltage range −2.0 +2.0 % FSR
−28 +28 mV
CS1 Accurate OCP Speed 2.62 5.24 ms
Leakage Current 1.0 μA