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verification.json Verified: Published by the parts factory: tier mfr, 25 pins · Ray 3d ago

ADP5587ACPZ-R7

Analog Devices · I/O Expanders · LFCSP-24(4x4)

ADP5587ACPZ-R7 from Analog Devices, in a LFCSP-24(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 R7 bidirectional GPIO, Row 7 in the keypad matrix.
2 R6 bidirectional GPIO, Row 6 in the keypad matrix.
3 R5 bidirectional GPIO, Row 5 in the keypad matrix.
4 R4 bidirectional GPIO, Row 4 in the keypad matrix.
5 R3 bidirectional GPIO, Row 3 in the keypad matrix.
6 R2 bidirectional GPIO, Row 2 in the keypad matrix.
7 R1 bidirectional GPIO, Row 1 in the keypad matrix.
8 R0 bidirectional GPIO, Row 0 in the keypad matrix.
9 C0 bidirectional GPIO, Column 0 in the keypad matrix.
10 C1 bidirectional GPIO, Column 1 in the keypad matrix.
11 C2 bidirectional GPIO, Column 2 in the keypad matrix.
12 C3 bidirectional GPIO, Column 3 in the keypad matrix.
13 C4 bidirectional GPIO, Column 4 in the keypad matrix.
14 C5 bidirectional GPIO, Column 5 in the keypad matrix.
15 C6 bidirectional GPIO, Column 6 in the keypad matrix.
16 C7 bidirectional GPIO, Column 7 in the keypad matrix.
17 C8 bidirectional GPIO, Column 8 in the keypad matrix.
18 C9 bidirectional GPIO, Column 9 in the keypad matrix.
19 GND power_in Ground.
20 RST input Hardware reset, active low; must be driven low for a minimum of 50 μs to be valid, and tied high with a pull-up resistor if not used.
21 VCC power_in Supply voltage, 1.65 V to 3.6 V.
22 SDA bidirectional I2C serial data; open drain, requires an external pull-up resistor.
23 SCL input I2C clock.
24 INT output Processor interrupt, active low, open drain; can be pulled up to 2.7 V or 1.8 V.
25 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Analog Devices
Package LFCSP-24(4x4)
Category Interface ICs
Pins 25

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
VCC Input Voltage Range VCC 1.65 3.6 V 3
Supply Current (idle) ICC 1 10 μA VCC = 1.8V to 3.0V, TA = −40°C to +85°C 3
Supply Current, one key press, 1.8 V ICC 55 90 μA VCC = 1.8 V, TA = −40°C to +85°C 3
Supply Current, one key press, 3.0 V ICC 100 200 μA VCC = 3.0 V, TA = −40°C to +85°C 3
Supply Current, GPI low (pull-up enabled) ICC 20 50 μA VCC = 1.8V to 3.0V, TA = −40°C to +85°C 3
Supply Current, GPI low (pull-up disabled) ICC 2 10 μA VCC = 1.8V to 3.0V, TA = −40°C to +85°C 3
Input Leakage Current VI-LEAKAGE -1 1 µA 1.8 V ≤ VIO ≤ 3.0 V 3
Logic Low Output Voltage (C0-C9, R0-R7) VOL 0.4 V ISINK = 1 mA 3
Output Low Voltage (INT, SDA) VOL 0.4 V ISINK = 3 mA, 1.8 V ≤ VCC ≤ 3.0 V 3
Logic High Leakage Current (INT, SDA) VO-LEAKAGE 0.1 1 µA 1.8 V ≤ VCC ≤ 3.0 V 3
Pull-Up Resistance for GPIOs RPULL-UP 100 kΩ 3
I/O Input Capacitance CIN 1 10 pF 3
I/O Output Loading Capacitance COUT 50 pF 3
Capacitive Load for Each Bus Line CB 400 pF 3
SCL Clock Frequency fSCL 400 kHz 4
SCL High Time tHIGH 0.6 μs 4
SCL Low Time tLOW 1.3 μs 4
Data Setup Time tSU, DAT 100 ns 4
Data Hold Time tHD, DAT 0 0.9 μs 4
Setup Time for Repeated Start tSU, STA 0.6 μs 4
Hold Time for Start/Repeated Start tHD, STA 0.6 μs 4
Bus Free Time for Stop and Start tBUF 1.3 μs 4
Setup Time for Stop Condition tSU, STO 0.6 μs 4
Rise Time for SCL and SDA tR 300 ns measured between 0.3 × VCC and 0.7 × VCC 4
Fall Time for SCL and SDA tF 300 ns measured between 0.3 × VCC and 0.7 × VCC 4
Pulse Width of Suppressed Spike tSP 0 50 μs 4
Debounce TD 275 μs 4
VCC VCC -0.3 4 V 5
GND GND -0.3 0.3 V 5
Operating Ambient Temperature Range TA -40 85 °C 5
Operating Junction Temperature Range TJ -40 125 °C 5
Storage Temperature Range TSTG -65 150 °C 5
ESD Machine Model -200 200 V 5
ESD Human Body Model -2000 2000 V 5
ESD Charged Device Model -1000 1000 V 5
Thermal Resistance Junction-to-Ambient, 24-Lead LFCSP_WQ θJA 57.8 °C/W 24-Lead LFCSP_WQ 5
Thermal Resistance Junction-to-Case, 24-Lead LFCSP_WQ θJC 9.4 °C/W 24-Lead LFCSP_WQ 5
Maximum Power, 24-Lead LFCSP_WQ 600 mW 24-Lead LFCSP_WQ 5

CAD (KiCad official)

  • Symbol: ADP5587ACPZ-R7
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
  • 3D model: LFCSP-24(4x4) (KiCad packages3D, STEP)
  • 3D model files: adp5587acpz-r7-etched.step / adp5587acpz-r7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); adp5587acpz-r7.step / adp5587acpz-r7.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices datasheet (24 pp, sha256 6042ee18844a5276, retrieved 2026-10-31, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF