TS1105 datasheet(9/19 Pages) SILABS

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Parameter

Symbol

Conditions

Min

Typ

Max

Units

Sign Comparator Parameters (TS1106 Only)

Output Low Voltage

VSIGN_OL

ISINK = 35 µA

—

0.2

Output High Voltage

VSIGN_OH

ISOURCE = 35 µA

VDD – 0.2

—

Note:

1. RS+ = RS– = 3.6 V, VSENSE = (VRS+ – VRS–) = 0 V, VDD = 3 V, VBIAS = 1.5 V. 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. TS1105 only applies positive VSENSE values. 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 Characteristics1

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 Parameters (TS1106 Only)

Propagation

Delay

tSIGN_PD

VSENSE = ±1 mV

—

msec

VSENSE = ±10 mV

—

0.4

—

msec

Note:

1. RS+ = RS– = 3.6 V, VSENSE = (VRS+ – VRS–) = 0 V, VDD = 3 V, VBIAS = 1.5 V. TA = TJ = –40 °C to +85 °C unless otherwise

noted. Typical values are at TA = +25 °C.

Table 3.4. Thermal Conditions

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Operating Tempera-

ture Range

TOP

–40

—

+85

°C

TS1105/06 Data Sheet

Electrical Characteristics

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