TS1109-20IDT833 datasheet(9/20 Pages) SILABS

부품명	TS1109-20IDT833

상세설명	Overcurrent and Undercurrent Detection

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Parameter

Symbol

Conditions

Min

Typ

Max

Units

Output Low Voltage

VSIGN_OL

VDD = 1.8 V, ISINK = 35 µA

—

0.2

V

Output High Voltage

VSIGN_OH

VDD = 1.8 V, ISOURCE = 35 µA VDD – 0.2

—

V

Note:

1. RS+ = RS– = 3.6 V, VSENSE = (VRS+ – VRS–) = 0 V, VDD = 3 V, VBIAS = 1.5 V, FILT connected to 4 kW and 470 nF in series to

GND. TA = TJ = –40 °C to +85 °C unless otherwise noted. Typical values are at TA = +25 °C.

2. Extrapolated to VOUT = VFILT. IRS+ + IRS– is the total current into the RS+ and the RS– pins.

3. Input offset voltage VOS is extrapolated from a VOUT(+) measurement with VSENSE set to +1 mV and a VOUT(–) measurement with

VSENSE set to –1 mV; Average VOS = (VOUT(–) – VOUT(+))/(2 x GAIN).

4. Amplitude of VSENSE lower or higher than VOS required to cause the comparator to switch output states.

5. Gain error is calculated by applying two values for VSENSE and then calculating the error of the actual slope vs. the ideal transfer

characteristic: For GAIN = 20 V/V, the applied VSENSE for GE± is ±25 mV and ±60 mV. For GAIN = 200 V/V, the applied VSENSE

for GE± is ±2.5 mV and ±6 mV.

Table 3.3. AC Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Units

CSA Buffer

Output Settling time

tOUT_s

1% Final value, VOUT = 1.3 V

Gain = 20 V/V

—

1.35

—

msec

Sign Comparator

Propagation Delay

tSIGN_PD

VSENSE = ±1 mV

—

3

—

msec

VSENSE = ±10 mV

—

0.4

—

msec

Table 3.4. Thermal Conditions

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Operating Temperature Range

TOP

–40

—

+85

°C

TS1109 Data Sheet

Electrical Characteristics

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