STMicroelectronics TS1871, TS1872, TS1874 Technical data

TS1871-TS1872-TS1874

1.8V Input/Output Rail-to-Rail

Low Power Operational Amplifiers

■Operating at VCC = 1.8V to 6V

■Rail-to-rail input & output

■Extended Vicm (VDD - 0.2V to VCC + 0.2V)

■Low supply current (400 A)

■Gain bandwidth product (1.6MHz)

■High stability

■ESD tolerance (2kV)

■Latch-up immunity

■Available in SOT23-5 micropackage

Description

The TS187x (single, dual & quad) is an operational amplifier family able to operate with voltage as low as 1.8V and features both I/O rail- to-rail.

The common mode input voltage extends 200mV at 25°C beyond the supply voltages while the output voltage swing is within 100mV of each rail with 600 Ohm load resistor. This device consumes typically 400µA per channel while offering 1.6Mhz of gain-bandwidth product. The amplifier provides high output drive capability typically at 65mA-load.

These performances make the TS187X family ideal for sensor interface, battery-supplied and portable applications.

Pin Connections (top view)

TS1871ILT
Output	1	5	VCC
VDD	2
Non Inverting Input	3	4	Inverting Input

TS1871ID-TS1871IDT

N.C.	1		8	N.C.
Inverting Input	2	_	7	VCC
Non Inverting Input	3	+	6	Output
VDD	4		5	N.C.

TS1872IST-TS1872IN-TS1872ID-TS1872IPT

Output 1	1			8	VCC
Inverting Input 1	2	_		7	Output 2
Non Inverting Input 1	3	+	_	6	Inverting Input 2
VDD	4		+	5	Non Inverting Input 2
TS1874IN-TS1874ID-TS1874IDT-TS1874IPT
Output 1	1			14	Output 4
Inverting Input 1	2	_	_	13	Inverting Input 4
Non Inverting Input 1	3	+	+	12	Non Inverting Input 4
VCC	4			11	VDD
Non Inverting Input 2	5	+	+	10	Non Inverting Input 3
Inverting Input 2	6	_	_	9	Inverting Input 3
Output 2	7			8	Output 3

Applications

■	Battery-powered applications (toys)	■	Audio driver (headphone driver)
■	Portable communication devices (cell	■	Laptop/notebook computers
	phone)

Order Codes

	Part Number	Temperature		Package	Packaging	Marking
		Range
	TS1871ID/IDT/AID/AIDT			SO	Tube or Tape & Reel
	TS1871ILT/AILT			SOT23-5L	Tape & Reel	K171/K172
	TS1872IN/AIN			DIP	Tube
	TS1872ID/IDT/AID/AIDT			SO	Tube or Tape & Reel
	TS1872IPT/AIPT			TSSOP	Tape & Reel
		-40°C, +125°C		(Thin Shrink Outline Package)
	TS1872IST/AIST			mini SO	Tape & Reel	K171/K172
	TS1874IN/AIN			DIP	Tube
	TS1874ID/IDT/AID/AIDT			SO	Tube or Tape & Reel
	TS1874IPT/AIPT			TSSOP	Tape & Reel
				(Thin Shrink Outline Package)
	May 2005			Revision 2		1/22

TS1871-TS1872-TS1874		Absolute Maximum Ratings
1 Absolute Maximum Ratings
Table 1: Key parametes and their absolute maximum ratings
Symbol	Parameter	Value	Unit
VCC	Supply voltage 1	7	V
Vid	Differential Input Voltage 2	±1	V
Vi	Input Voltage	VDD-0.3 to VCC +0.3	V
Tstg	Storage Temperature	-65 to +150	°C
Tj	Maximum Junction Temperature	150	°C
Rthja	Thermal Resistance Junction to Ambient3	250	°C/W
	SOT23-5
	SO8	125
	SO14	103
	TSSOP8	120
	TSSOP14	100
	miniSO8	190
	HBM: Human Body Model4	2	kV
ESD	MM: Machine Model5	200	V
	CDM: Charged Device Model	1.5	kV
	Latch-up Immunity	200	mA
	Lead Temperature (soldering, 10sec)	250	°C
	Output Short Circuit Duration	see note6

1)All voltages values, except differential voltage are with respect to network terminal.

2)Differential voltages are the non-inverting input terminal with respect to the inverting input terminal. If Vid > ±1V, the maximum input current must not exceed ±1mA. In this case (Vid > ±1V) an input serie resistor must be added to limit input current.

3)Short-circuits can cause excessive heating. Destructive dissipation can result from simultaneous short-circuit on all amplifiers

4)Human body model, 100pF discharged through a 1.5kΩ resistor into pin of device.

5)Machine model ESD, a 200pF cap is charged to the specified voltage, then discharged directly into the IC with no external series resistor (internal resistor < 5Ω), into pin to pin of device.

6)Short-circuits from the output to Vcc can cause excessive heating. The maximum output current is approximately 80mA, independent of the magnitude of Vcc. Destructive dissipation can result from simultaneous short-circuits on all amplifiers.

Table 2: Operating conditions

Symbol	Parameter	Value	Unit
VCC	Supply Voltage	1.8 to 6	V
Vicm	Common Mode Input Voltage Range 1	VDD - 0.2 to VCC + 0.2	V
Vicm	Common Mode Input Voltage Range 2	VDD to VCC	V
Toper	Operating Free Air Temperature Range	-40 to + 125	°C

1)At 25°C, for 1.8 ≤ VCC ≤ 6V, Vicm is extended to VDD - 0.2V, VCC + 0.2V.

2)In full temperature range, both Rails can be reached when VCC does not exceed 5.5V.

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Electrical Characteristics

TS1871-TS1872-TS1874

2 Electrical Characteristics

Table 3: VCC = +1.8V, VDD = 0V, RL, CL connected to VCC/2, Tamb = 25°C (unless otherwise specified)

Symbol	Parameter	Min.	Typ.	Max.	Unit
	Input Offset Voltage
Vio	Vicm = Vout = VCC /2		0.1	3	mV
	TS1871/2/4
	TS1871A/2A/4A			1
∆Vio	Input Offset Voltage Drift		2		µV/°C
Iio	Input Offset Current 1		3	30	nA
	Vicm = Vout = VCC /2
Iib	Input Bias Current 1)		40	125	nA
	Vicm = Vout = VCC /2
CMR	Common Mode Rejection Ratio				dB
	0 ≤ Vicm ≤ VCC, Vout = VCC /2	55	77
SVR	Supply Voltage Rejection Ratio	70	80		dB
	Large Signal Voltage Gain
Avd	Vout = 0.5V to 1.3V				dB
	RL = 2kΩ	77	92
	RL = 600Ω	70	85
	High Level Output Voltage
VOH	Vid = 100mV				V
	RL = 2kΩ	1.65	1.77
	RL = 600Ω	1.62	1.74
	Low Level Output Voltage
VOL	Vid = -100mV				mV
	RL = 2kΩ		88	100
	RL = 600Ω		115	150
	Output Source Current
Io	VID = 100mV, VO = VDD	20	65		mA
	Output Sink Current
	VID = -100mV, VO = VCC	20	65
ICC	Supply Current (per amplifier), Vout = Vcc/2				µA
	AVCL = 1, no load		400	560
GBP	Gain Bandwidth Product	0.9	1.6		MHz
	RL = 10kΩ, CL = 100pF, f = 100kHz
SR	Slew Rate	0.38	0.54		V/µs
	RL = 10kΩ, CL = 100pF, AV = 1
φm	Phase Margin		53		Degrees
	CL = 100pF
en	Input Voltage Noise		27		nV/√Hz
THD	Total Harmonic Distortion		0.01		%

1) Maximum values including unavoidable inaccuracies of the industrial test.

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TS1871-TS1872-TS1874 Electrical Characteristics

Table 4: VCC = +3V, VDD = 0V, RL, CL connected to VCC/2, Tamb = 25°C (unless otherwise specified)

Symbol	Parameter	Min.	Typ.	Max.	Unit
	Input Offset Voltage
Vio	Vicm = Vout = VCC /2		0.1	3	mV
	TS1871/2/4
	TS1871A/2A/4A			1
∆Vio	Input Offset Voltage Drift		2		µV/°C
Iio	Input Offset Current 1		3	30	nA
	Vicm = Vout = VCC /2
Iib	Input Bias Current 1)		4	125	nA
	Vicm = Vout = VCC /2
CMR	Common Mode Rejection Ratio				dB
	0 ≤ Vicm ≤ VCC, Vout = VCC /2	60	80
SVR	Supply Voltage Rejection Ratio	70	85		dB
	Large Signal Voltage Gain
Avd	Vout = 0.5V to 2.5V				dB
	RL = 2kΩ	80	92
	RL = 600Ω
		74	95
	High Level Output Voltage
VOH	Vid = 100mV				V
	RL = 2kΩ	2.82	2.95
	RL = 600Ω	2.80	2.95
	Low Level Output Voltage
VOL	Vid = -100mV				mV
	RL = 2kΩ		88	L120
	RL = 600Ω		115	160
	Output Source Current
Io	VID = 100mV, VO = VDD	20	80		mA
	Output Sink Current
	VID = -100mV, VO = VCC	20	80
ICC	Supply Current (per amplifier), Vout = Vcc/2				µA
	AVCL = 1, no load		450	650
GBP	Gain Bandwidth Product	1	1.7		MHz
	RL = 10kΩ, CL = 100pF, f = 100kHz
SR	Slew Rate	0.42	0.6		V/µs
	RL = 10kΩ, CL = 100pF, AV = 1
φm	Phase Margin		53		Degrees
	CL = 100pF
en	Input Voltage Noise		27		nV/√Hz
THD	Total Harmonic Distortion		0.01		%

1) Maximum values including unavoidable inaccuracies of the industrial test.

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Electrical Characteristics		TS1871-TS1872-TS1874
Table 5: VCC = +5V, VDD = 0V, CL & RL connected to VCC/2, Tamb = 25°C (unless otherwise
specified)
Symbol	Parameter	Min.	Typ.	Max.		Unit
	Input Offset Voltage
Vio	Vicm = Vout = VCC /2		0.1	3		mV
	TS1871/2/4
	TS1871A/2A/4A			1
∆Vio	Input Offset Voltage Drift		2			µV/°C
Iio	Input Offset Current 1		3	30		nA
	Vicm = Vout = VCC /2
Iib	Input Bias Current 1)		70	130		nA
	Vicm = Vout = VCC /2
CMR	Common Mode Rejection Ratio	65	85			dB
	0 ≤ Vicm ≤ VCC, Vout different of VCC /2
SVR	Supply Voltage Rejection Ratio	70	90			dB
	Large Signal Voltage Gain
Avd	Vout = 1V to 4V					dB
	RL = 2kΩ	83	92
	RL = 600Ω	77	85
	High Level Output Voltage
VOH	Vid = 100mV					V
	RL = 2kΩ	4.80	4.95
	RL = 600Ω	4.75	4.90
	Low Level Output Voltage
VOL	Vid = -100mV					mV
	RL = 2kΩ		88	130
	RL = 600Ω		115	188
	Output Source Current
Io	VID = 100mV, VO = VDD	20	80			mA
	Output Sink Current
	VID = -100mV, VO = VCC	20	80
ICC	Supply Current (per amplifier), Vout = Vcc/2					µA
	AVCL = 1, no load		500	835
GBP	Gain Bandwidth Product	1	1.8			MHz
	RL = 10kΩ, CL = 100pF, f = 100kHz
SR	Slew Rate	0.42	0.6			V/µs
	RL = 10kΩ, CL = 100pF, AV = 1
φm	Phase Margin		55			Degrees
	CL = 100pF
en	Input Voltage Noise		27			nV/√Hz
THD	Total Harmonic Distortion		0.01			%

1) Maximum values including unavoidable inaccuracies of the industrial test.

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TS1871-TS1872-TS1874

Electrical Characteristics

Figure 1 :
		Input Offset Voltage Distribution
	160
	140							492 pieces tested
								Vcc = 5V
pieces	120							Temp = +25°C
	100
of
Quantity	80
	60
	40
	20
	0
	-2.	-1.6	-1.2	-.8	-.4	0	.4	.8	1.2	1.6	2
			Input Offset Voltage (mV)

Figure 2 :

Input Bias Current vs. Temperature

	10.0
								Vcc = 1.8V
	0.0							Vicm = 0.9V
(nA)
current	-10.0
Input bias	-20.0
	-30.0
	-40.0
	-40	-20	0	20	40	60	80	100	120	140

Temperature (°C)

Figure 3 :

Supply Current / Amplifier vs. Supply Voltage

	600
(µA)	500
Current	400
	300			Tamb = 25°C
Supply
	200
	100
	0
	0	2	4	6	8

Supply Voltage (V)

Figure 4 :

Input Offset Voltage Drift vs. Temperature

	200							Vcc = 1.8V
	150
(µV)	100							Vcc = 3V
Drift	50
Voltage
	0							Vcc = 5V
Input	-50
	-100
	-150
	-40	-20	0	20	40	60	80	100	120	140
				Temperature (°C)

Figure 5 :

Input Bias Current vs. Temperature

	10.0
								Vcc = 3V
								Vicm = 1.5V
(nA)	0.0
bias current	-10.0
	-20.0
Input	-30.0
	-40.0
	-40	-20	0	20	40	60	80	100	120	140

Temperature (°C)

Figure 6 :

Supply Current / Amplifier vs. Temperature

	550
								Vcc = 5V
	500
(µA)								Vcc = 3V
	450
Current	400							Vcc = 1.8V
Supply	350
	300
	250
	-40	-20	0	20	40	60	80	100	120	140
					Temperature (°C)

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Electrical Characteristics

TS1871-TS1872-TS1874

Figure 7 :

Common Mode Rejection vs. Temperature

	120						Vcc = 1.8V
(dB)	115						Vicm = 0V
Rejection	110
							Vcc = 3V
	105						Vicm = 0V
Mode	100
Common	95						Vcc = 5V
							Vicm = 0V
	90
	85
	-40	-20	0	20	40	60	80	100	120	140

Temperature (°C)

Figure 8 :

Supply Voltage Rejection vs. Temperature

	110
		Vcc = 3V
(dB)	100	Vicm = 0V
Rejection	90
Voltage	80
Supply	70
	60
	-40	-20	0	20	40	60	80	100	120	140

Temperature (°C)

Figure 9 :

Power Supply Voltage Rejection vs. Frequency

	-20
(dB)		Vcc = 1.8V
	-30	Vicm = 0.7V
Rejection		Gain = 10
	-40
Voltage	-50
	-60
Supply
	-70
	-80
	100	1000	10000	100000
		Frequency (Hz)

Figure 10 :

Supply Voltage Rejection vs. Temperature

	110
		Vcc = 1.8V
(dB)	100	Vicm = 0V
Rejection	90
Voltage	80
Supply	70
	60
	-40	-20	0	20	40	60	80	100	120	140

Temperature (°C)

Figure 11 :

Supply Voltage Rejection vs. Temperature

	110
		Vcc = 5V
(dB)	100	Vicm = 0V
Rejection	90
Voltage	80
Supply	70
	60
	-40	-20	0	20	40	60	80	100	120	140

Temperature (°C)

Figure 12 :

Open Loop Gain vs. Temperature

	110
		Vcc = 1.8V
		Vicm = 0.9V
Gain (dB)	100							RL = 2 kOhms
	90
Loop
							RL = 600 Ohms
Open	80
	70
	-40	-20	0	20	40	60	80	100	120	140

Temperature (°C)

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