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SBVS299A April 2017 – September 2025 REF31-Q1

PRODUCTION DATA

封裝選項(xiàng)

機(jī)械數(shù)據(jù) (封裝 | 引腳)

DBZ|3
- MPDS108G

散熱焊盤機(jī)械數(shù)據(jù) (封裝 | 引腳)

訂購(gòu)信息

6.5 Electrical Characteristics

at T_A = 25°C, I_LOAD = 0mA, and V_IN = 5V (unless otherwise noted)

PARAMETER				TEST CONDITIONS	MIN	TYP	MAX	UNIT
REF3312-Q1⁽¹⁾ — 1.25V
V_OUT	Output voltage				1.2475	1.25	1.2525	V
V_OUT		Initial accuracy			–0.2%		0.2%
	Output voltage noise			f = 0.1Hz to 10Hz		17		μV_PP
	Output voltage noise			f = 10Hz to 10kHz		24		μV_RMS
REF3120-Q1 — 2.048V
V_OUT	Output voltage				2.0439	2.048	2.0521	V
V_OUT		Initial accuracy			–0.2%		0.2%
	Output voltage noise			f = 0.1Hz to 10Hz		27		μV_PP
	Output voltage noise			f = 10Hz to 10kHz		39		μV_RMS
REF3125-Q1 — 2.5V
V_OUT	Output voltage				2.495	2.5	2.505	V
V_OUT		Initial accuracy			–0.2%		0.2%
	Output voltage noise			f = 0.1Hz to 10Hz		33		μV_PP
	Output voltage noise			f = 10Hz to 10kHz		48		μV_RMS
REF3130-Q1 — 3V
V_OUT	Output voltage				2.994	3	3.006	V
V_OUT		Initial accuracy			–0.2%		0.2%
	Output voltage noise			f = 0.1Hz to 10Hz		39		μV_PP
	Output voltage noise			f = 10Hz to 10kHz		57		μV_RMS
REF3133-Q1 — 3.3V
V_OUT	Output voltage				3.2934	3.3	3.3066	V
V_OUT		Initial accuracy			–0.2%		0.2%
	Output voltage noise			f = 0.1Hz to 10Hz		43		μV_PP
	Output voltage noise			f = 10Hz to 10kHz		63		μV_RMS
REF3140-Q1 — 4.096V
V_OUT	Output voltage				4.0878	4.096	4.1042	V
V_OUT		Initial accuracy			–0.2%		0.2%
	Output voltage noise			f = 0.1Hz to 10Hz		53		μV_PP
	Output voltage noise			f = 10Hz to 10kHz		78		μV_RMS
REF31xx-Q1 (REF3112-Q1, REF3120-Q1, REF3125-Q1, REF3130-Q1, REF3133-Q1, REF3140-Q1)
dV_OUT/dT	Output voltage temperature drift⁽²⁾			T_A = 0°C to 70°C.		5	15	ppm/°C
dV_OUT/dT	Output voltage temperature drift⁽²⁾			T_A = –40°C to +125°C .		10	20	ppm/°C
	Long-term stability			0 to 1000 hours		70		ppm
	Line regulation			V_REF + 0.05⁽¹⁾ ≤ V_IN ≤ 5.5 V		20	65	ppm/V
dV_OUT/dI_LOAD	Load regulation⁽³⁾		Sourcing	0 mA < I_LOAD < 10 mA, V_IN = V_REF + 250 mV⁽¹⁾		10	30	μV/mA
dV_OUT/dI_LOAD	Load regulation⁽³⁾		Sinking	–10 mA < I_LOAD < 0 mA, V_IN = V_REF + 100mV⁽¹⁾		20	50	μV/mA
dT	Thermal hysteresis⁽⁴⁾		First Cycle			100		ppm
dT	Thermal hysteresis⁽⁴⁾		Additional Cycles			25		ppm
V_IN – V_OUT	Dropout voltage⁽¹⁾			T_A = –40°C to +125°C.		5	50	mV
I_LOAD	Output current				–10		10	mA
I_SC	Short-circuit current		Sourcing			50		mA
I_SC	Short-circuit current		Sinking			40		mA
	Turnon settling time			To 0.1% at V_IN = +5V with C_L = 0μF		400		μs
POWER SUPPLY
V_S	Voltage			I_LOAD = 0, T_A = –40°C to +125°C.	V_REF + 0.05⁽¹⁾		5.5	V
I_Q	Quiescent current			I_LOAD = 0, T_A = 25°C		100	115	μA
I_Q	Quiescent current			I_LOAD = 0, T_A = –40°C to +125°C		115	135	μA

(1) Minimum supply voltage for the REF3112 is 1.8V.

(2) Box Method used to determine temperature drift.

(3) Typical value of load regulation reflects measurements using force and sense contacts; see Load Regulation.

(4) Thermal hysteresis is explained in more detail in Application and Implementation of this data sheet.