Philips TDA8716T-C1, TDA8716-C1 Datasheet

INTEGRATED CIRCUITS

TDA8716

8-bit high-speed analog-to-digital converter

Product specification

1996 Aug 26

Supersedes data of April 1993

File under Integrated Circuits, IC02

Philips Semiconductors	Product specification

8-bit high-speed analog-to-digital

TDA8716

converter

FEATURES

∙8-bit resolution

∙Sampling rate up to 120 MHz

∙ECL (10 K family) compatible digital inputs and outputs

∙Overflow/Underflow output

∙Low power dissipation

∙Low input capacitance (13 pF typ.).

APPLICATIONS

∙High speed analog-to-digital convertion

∙Video signal digitizing

∙Radar pulse analysis

∙Transient signal analysis

∙High energy physics research

∙Medical systems

∙Industrial instrumentation.

QUICK REFERENCE DATA

GENERAL DESCRIPTION

The TDA8716 is an 8-bit high-speed Analog-to-Digital Converter (ADC) designed for HDTV and professional applications. The device converts the analog input signal into 8-bit binary coded digital words at a sampling rate of 120 MHz. All digital outputs are ECL compatible.

Measured over full voltage and temperature ranges, unless otherwise specified.

SYMBOL		PARAMETER			CONDITIONS	MIN.	TYP.	MAX.		UNIT
VEEA	analog supply voltage					−5.45	−5.2	−4.95		V
VEED	digital supply voltage					−5.45	−5.2	−4.95		V
IEEA	analog supply current					−	50	55		mA
IEED	digital supply current					−	100	110		mA
IEEO	output supply current				RL = 2.2 kΩ	−	20	25		mA
VRB	reference voltage BOTTOM					−	−3.130	−		V
VRT	reference voltage TOP					−	−1.870	−		V
ILE	DC integral linearity error				see Fig.8	−	±0.5	±1		LSB
DLE	DC differential linearity error				see Fig.9	−	±0.25	±0.45		LSB
EB	effective bit				fi = 20 MHz;	−	7	−		bits
					fCLK = 100 MHz
fCLK	maximum clock frequency					120	−	−		MHz
Ptot	total power dissipation				excluding load	−	780	900		mW
ORDERING INFORMATION
TYPE NUMBER					PACKAGE
		NAME			DESCRIPTION				VERSION
TDA8716		DIP24		plastic dual in-line package; 24 leads (600 mil)					SOT101-1
TDA8716T		SO32L		plastic small outline package; 32 leads; body width 7.5 mm					SOT287-1

1996 Aug 26

2

Philips Semiconductors	Product specification
8-bit high-speed analog-to-digital converter	TDA8716
BLOCK DIAGRAM

					analog input
							8
voltage	10										7
reference top
voltage	9	LSB ANALOG						MSB ANALOG			11
		PROCESSING
reference middle								PROCESSING
	6
voltage		folding and interpolation
reference bottom											5
					SAMPLE LATCHES
				DIGITAL PROCESSING
CLK input	1
		CLOCK									13
						LATCHES
											24
		BUFFER
	2
CLK input
											3
											12
		LSB BINARY						MSB BINARY
			ENCODER						ENCODER		4
			6						3
					OUTPUT LATCHES
		TDA8716			ECL BUFFERS						19
		14	15	16	17	18	20	21	22	23
											MCD265 - 2
					digital outputs					IN range
					D0 to D7

analog ground

analog negative supply voltage (– 5.2 V)

digital ground

digital negative supply voltage (– 5.2 V)

two's complement output select

output ground supply voltage (0 V)

Fig.1 Block diagram; TDA8716.

1996 Aug 26

3

Philips Semiconductors	Product specification
8-bit high-speed analog-to-digital converter	TDA8716

PINNING TDA8716

	SYMBOL		PIN	DESCRIPTION
			1	complementary clock input
	CLK
CLK			2	clock input
VEED1			3	digital negative supply voltage
				(−5.2 V)
	CPLT2		4	two's complement output select
				(active HIGH)
	VEEA		5	analog negative supply voltage
				(−5.2 V)
	VRB		6	reference voltage BOTTOM
	AGND1		7	analog ground 1
	VI		8	analog input
	VRM		9	reference voltage MIDDLE
				decoupling
	VRT		10	reference voltage TOP
AGND2			11	analog ground 2
VEED2			12	digital negative supply voltage
				(−5.2 V)
	DGND1		13	digital ground 1
	D0		14	digital output (LSB)
	D1		15	digital output
	D2		16	digital output
	D3		17	digital output
	D4		18	digital output
	OGND		19	output ground supply voltage (0 V)
	D5		20	digital output
	D6		21	digital output
	D7		22	digital output (MSB)
	IR		23	IN range
	DGND2		24	digital ground 2

handbook, halfpage

				1			24		DGND2
		CLK
		CLK		2			23		IR
V									D7
	EED1			3			22
C PLT2									D6
				4			21
V EEA
				5			20		D5
	VRB
				6		19			OGND
AGND1						TDA8716			D4
				7			18
		V							D3
			I	8			17
	V								D2
		RM		9			16
	VRT
				10			15		D1
AGND2									D0
				11			14
VEED2									DGND1
				12		13
						MCD259

Fig.2 Pin configuration; TDA8716.

1996 Aug 26

4

Philips Semiconductors	Product specification
8-bit high-speed analog-to-digital converter	TDA8716

PINNING TDA8716T

	SYMBOL		PIN	DESCRIPTION
			1	complementary clock input
	CLK
CLK			2	clock input
VEED1			3	digital negative supply voltage
				(−5.2 V)
	n.c.		4	not connected
	n.c.		5	not connected
	CPLT2		6	two's complement output select
				(active HIGH)
	VEEA		7	analog negative supply voltage
				(−5.2 V)
	VRB		8	reference voltage BOTTOM
	AGND1		9	analog ground 1
	VI		10	analog input
VRM			11	reference voltage MIDDLE
				decoupling
n.c.			12	not connected
n.c.			13	not connected
VRT			14	reference voltage TOP
AGND2			15	analog ground 2
VEED2			16	digital negative supply voltage
				(−5.2 V)
	DGND1		17	digital ground 1
	D0		18	digital output (LSB)
	D1		19	digital output
	n.c.		20	not connected
	n.c.		21	not connected
	D2		22	digital output
	D3		23	digital output
	D4		24	digital output
	OGND		25	output ground supply voltage (0 V)
	D5		26	digital output
	D6		27	digital output
	n.c.		28	not connected
	n.c.		29	not connected
	D7		30	digital output (MSB)
	IR		31	IN range
	DGND2		32	digital ground 2

handbook, halfpage
CLK			1				32	DGND2
CLK
			2				31	IR
VEED1
			3				30	D7
								n.c.
	n.c.		4				29
	n.c.		5				28	n.c.
C PLT2								D6
			6				27
VEEA
			7				26	D5
V RB
			8				25	OGND
AGND1				TDA8716T
			9				24	D4
	V I							D3
			10				23
VRM
			11				22	D2
	n.c.		12				21	n.c.
	n.c.		13				20	n.c.
VRT
			14				19	D1
AGND2			15				18	D0
V EED2
			16				17	DGND1
				MBC742 - 2

Fig.3 Pin configuration; TDA8716T.

1996 Aug 26

5

Philips Semiconductors							Product specification
8-bit high-speed analog-to-digital converter								TDA8716
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL			PARAMETER		CONDITIONS	MIN.		MAX.	UNIT
VEEA			analog supply voltage			−7.0		+0.3	V
VEED1,VEED2			digital supply voltage			−7.0		+0.3	V
VEEA − VEED1;			supply voltage differences			−1		+1	V
VEEA − VEED2
VI			input voltage		referenced to	VEEA		0	V
					AGND
VCLK;			input voltage for differential clock drive		note 1	−		2.0	V
	CLK(p-p)
			(peak-to-peak value)
IO			output current (each output stage)			−		10	mA
Tstg			storage temperature			−55		+150	°C
Tamb			operating ambient temperature			0		+70	°C
Tj			junction temperature			−		+150	°C

Note

1.The circuit has two clock inputs: CLK and CLK. Sampling takes place on the rising edge of the clock input signal: CLK and CLK are two's complementary ECL signals.

THERMAL CHARACTERISTICS

SYMBOL	PARAMETER	CONDITIONS	VALUE	UNIT
Rth j-a	from junction to ambient	in free air
	SOT101		35	K/W
	SOT287 (see Fig.4)		65	K/W

HANDLING

Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is desirable to take normal precautions appropriate to handling integrated circuits.

1996 Aug 26

6

Philips Semiconductors	Product specification
8-bit high-speed analog-to-digital converter	TDA8716

CHARACTERISTICS

VEEA = −4.95 to −5.45 V; VEED1, VEED2 = −4.95 to −5.45 V; AGND, DGND and OGND shorted together;

Tamb = 0 to +70 °C; unless otherwise specified. (Typical values taken at VEEA = −5.2 V; VEED1, VEED2 = −5.2 V; Tamb = 25 °C).

SYMBOL			PARAMETER			CONDITIONS	MIN.	TYP.	MAX.	UNIT
Supply
VEEA			analog supply voltage				−5.45	−5.2	−4.95	V
VEED1,VEED2			digital supply voltage				−5.45	−5.2	−4.95	V
IEEA			analog supply current				−	50	55	mA
IEED1,IEED2			digital supply current				−	100	110	mA
IEE			output supply current			RL = 2.2 kΩ	−	20	25	mA
Vdiff			supply voltage differential			VEEA − VEED1; VEEA − VEED2	−0.5	0	+0.5	V
Reference voltages for the resistor ladder
VRB			reference voltage BOTTOM				−3.5	−3.13	−	V
VRT			reference voltage TOP				−	−1.87	−1.5	V
Vref			reference voltage differential			VRT − VRB	−	1.26	−	V
VOB			voltage offset BOTTOM			note 1	−	130	−	mV
VOT			voltage offset TOP			note 1	−	130	−	mV
VI(p-p)			input voltage amplitude				0.95	1.0	1.5	V
			(peak-to-peak value)
Iref			reference current				−	15	−	mA
RLAD			resistor ladder				−	85	−	Ω
TCRL			temperature coefficient of the				−	0.18	−	Ω/K
			resistor ladder
Inputs
CLK and			input
	CLK
VIL			LOW level input voltage				−1850	−1770	−1650	mV
VIH			HIGH level input voltage				−960	−880	−810	mV
IIL			LOW level input current			VCLK = −1.77 V	−	1	−	μA
IIH			HIGH level input current			VCLK = −0.88 V	−	10	−	μA
RI			input resistance				−	20	−	kΩ
CI			input capacitance				−	2	−	pF
VCLK(p-p)			differential clock input				−	900	−	mV
			VCLK − V
				CLK
			(peak-to-peak value)
Analog input; note 2
IIB			input current BOTTOM			VRB = −3.13 V	−	0	−	μA
IIT			input current TOP			VRT = −1.87 V	−	170	−	μA
RI			input resistance				−	7	−	kΩ
CI			input capacitance				−	13	20	pF

1996 Aug 26

7