STPMS1 datasheet(8/23 Pages) STMICROELECTRONICS

部件名	STPMS1

功能描述	Dual-channel 1-bit, 2 MHz, 1st order Dual-channel 1-bit, 2 MHz, 1st order

PDF	23 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

8 / 23 page

General operating conditions

STPMS1

8/23

Doc ID 16524 Rev 2

CLK - clock signal on CLK pin

CLKsample - sigma-delta sample frequency

bsV - sigma-delta bitstream of voltage signal

bsC - sigma-delta bitstream of current signal

DATA - multiplexed data of voltage and current signal on DAT pin

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VOH

Output high voltage

IO=-1 mA, CL=50 pF, VCC=3.2 V

VCC-

0.4

VOL

Output low voltage

IO=+1 mA, CL=50 pF, VCC=3.2 V

0.4

IUP

Pull up current

µA

tTR

Transition time

CLOAD=50 pF

Latency

From 50 % of CLK to 50 % to DAT

Clock input

fCLK

Nominal frequencies

Low precision

1.0

1.228

MHz

High precision

2.0

2.458

MHz

On chip reference voltage

VREF

Reference voltage

1.21

1.23

1.25

Temperature coefficient

After calibration

ppm/

°C

Table 5.

General operating conditions (continued)

Figure 3.

Timing diagram

AM07832v1

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